Williamson County, TX Warnings, Watches and Advisories
SAFETY and DATA MESSAGE
Do not drive vehicles through flooded areas. The water depth or fast flowing water/mud/debris from a flash flood will make road conditions unsafe. Do not rely soley on data presented here or other third-party websites - always check your official national and local weather service agency website, socials, radio and/or TV stations for making critical decisions related to weather events.
Please carefully read each posted Warning and Alert as it relates to the area(s) being affected. We may provide a wider range of issued severe weather warnings for surrounding cities and counties, so some alerts may not directly impact this location. This is done to help with preparing for severe weather that may overlap or be heading towards Williamson County.
Use the Radar Maps link provided to understand the trajectory of a storm.
NWS Active Alerts for TX - Map View
Flash Flood Warning
Liberty, TX
Flash Flood Warning issued September 2 at 5:23AM CDT until September 2 at 6:45AM CDT by NWS Houston/Galveston TX
At 523 AM CDT, Doppler radar and automated rain gauges indicated thunderstorms producing heavy rain across the warned area. Between 4 and 8 inches of rain have fallen. Additional rainfall amounts of 2 to 4 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar and automated gauges. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. Some locations that will experience flash flooding include... Liberty, Dayton, Ames, Daisetta, Hardin, Plum Grove, Kenefick, Dayton Lakes and Moss Hill.
Severe
Likely
Immediate
September 2nd, 2026 05:23:00 am CDT
September 2nd, 2026 05:23:00 am CDT
September 2nd, 2026 06:45:00 am CDT
Flood Watch
Tyler; Hardin; Southern Jasper; Southern Newton; Upper Jefferson; Northern Orange; Lower Jefferson; Southern Orange
Flood Watch issued September 2 at 4:58AM CDT until September 2 at 7:00PM CDT by NWS Lake Charles LA
* WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...A portion of southeast Texas, including the following areas, Hardin, Lower Jefferson, Northern Orange, Southern Jasper, Southern Newton, Southern Orange, Tyler and Upper Jefferson. * WHEN...Through this evening. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Flooding may occur in poor drainage and urban areas. * ADDITIONAL DETAILS... - Heavy rain in bands from the remnants of Tropical Storm Edouard will be possible through today. - http://www.weather.gov/safety/flood
Severe
Possible
Future
September 2nd, 2026 04:58:00 am CDT
September 2nd, 2026 04:58:00 am CDT
September 2nd, 2026 07:00:00 pm CDT
Flash Flood Warning
Polk, TX
Flash Flood Warning issued September 2 at 4:54AM CDT until September 2 at 6:15AM CDT by NWS Houston/Galveston TX
At 454 AM CDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 5 and 8 inches of rain have fallen. Additional rainfall amounts of 1 to 3 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar indicated. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. Some locations that will experience flash flooding include... Livingston, Goodrich, Seven Oaks, Alabama-Coushatta Reservation, West Livingston, Lake Livingston State Park and Leggett.
Severe
Likely
Immediate
September 2nd, 2026 04:54:00 am CDT
September 2nd, 2026 04:54:00 am CDT
September 2nd, 2026 06:15:00 am CDT
Flash Flood Warning
Chambers, TX; Liberty, TX
Flash Flood Warning issued September 2 at 4:51AM CDT until September 2 at 6:45AM CDT by NWS Houston/Galveston TX
FFWHGX The National Weather Service in Houston/Galveston has extended the * Flash Flood Warning for... North Central Chambers County in southeastern Texas... Southeastern Liberty County in southeastern Texas... * Until 645 AM CDT. * At 451 AM CDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 3 and 5 inches of rain have fallen. Additional rainfall amounts of 1 to 2 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar indicated. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. * Some locations that will experience flash flooding include... Devers.
Severe
Likely
Immediate
September 2nd, 2026 04:51:00 am CDT
September 2nd, 2026 04:51:00 am CDT
September 2nd, 2026 06:45:00 am CDT
Flash Flood Warning
Hardin, TX; Jefferson, TX; Tyler, TX
Flash Flood Warning issued September 2 at 4:46AM CDT until September 2 at 8:45AM CDT by NWS Lake Charles LA
FFWLCH The National Weather Service in Lake Charles has issued a * Flash Flood Warning for... Hardin County in southeastern Texas... Northwestern Jefferson County in southeastern Texas... Southwestern Tyler County in southeastern Texas... * Until 845 AM CDT. * At 446 AM CDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 5 and 10 inches of rain have fallen in the past few hours. Flash flooding is ongoing or expected to begin shortly. HAZARD...Life threatening flash flooding. Thunderstorms producing flash flooding. SOURCE...Radar indicated. IMPACT...Life threatening flash flooding of creeks and streams, urban areas, highways, streets and underpasses. * Some locations that will experience flash flooding include... Lumberton, Silsbee, Woodville, Kountze, Sour Lake, Colmesneil, Nome, Chester, Wildwood, Warren, Saratoga, Thicket, Village Mills, Honey Island, Batson, Ivanhoe and Hillister.
Severe
Likely
Immediate
September 2nd, 2026 04:46:00 am CDT
September 2nd, 2026 04:46:00 am CDT
September 2nd, 2026 08:45:00 am CDT
Flash Flood Warning
Polk, TX
Flash Flood Warning issued September 2 at 3:46AM CDT until September 2 at 6:15AM CDT by NWS Houston/Galveston TX
FFWHGX The National Weather Service in Houston/Galveston has extended the * Flash Flood Warning for... Southeastern Polk County in southeastern Texas... * Until 615 AM CDT. * At 346 AM CDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 7 and 10 inches of rain have fallen. Additional rainfall amounts of 1 to 2 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar indicated. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. * Some locations that will experience flash flooding include... Segno.
Severe
Likely
Immediate
September 2nd, 2026 03:46:00 am CDT
September 2nd, 2026 03:46:00 am CDT
September 2nd, 2026 06:15:00 am CDT
Flood Watch
Houston; Trinity; Madison; Walker; San Jacinto; Polk; Brazos; Grimes; Montgomery; Northern Liberty; Waller; Inland Harris; Chambers; Southern Liberty; Coastal Harris
Flood Watch issued September 2 at 3:31AM CDT until September 2 at 7:00PM CDT by NWS Houston/Galveston TX
Potential for Life Threatening Flash Flooding. * WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...A portion of southeast Texas, including the following areas, Brazos, Chambers, Coastal Harris, Grimes, Houston, Inland Harris, Madison, Montgomery, Northern Liberty, Polk, San Jacinto, Southern Liberty, Trinity, Walker and Waller. * WHEN...Through this evening. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Flooding may occur in poor drainage and urban areas. * ADDITIONAL DETAILS... - There is an increased danger to lives and property due to flash flooding. Flash flooding is likely and considerable flash flooding possible. Periods of moderate to heavy rainfall are expected through this evening. The highest flash flood risk is over portions of the Piney Woods, generally north of I-10 and along and east of I-45. Training feeder bands outside of that area are also likely. Flash flooding is equally possible with those areas too, but not as widespread of an area. Rainfall rates will exceed 3-4 inches per hour at times in the heaviest downpours, which can lead to flash flooding especially in urban and vulnerable areas. - http://www.weather.gov/safety/flood
Severe
Possible
Future
September 2nd, 2026 03:31:00 am CDT
September 2nd, 2026 03:31:00 am CDT
September 2nd, 2026 04:15:00 pm CDT
Flood Watch
Henderson
Flood Watch issued September 2 at 2:01AM CDT until September 3 at 1:00PM CDT by NWS Fort Worth TX
* WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...A portion of northeast Texas, including the following county, Henderson. * WHEN...From 5 AM CDT early this morning through Thursday afternoon. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. * ADDITIONAL DETAILS... - The soon to be remnants of Tropical Storm Edouard are expected to bring a localized swath of very heavy rain to portions of the Flood Watch. While most locations in the watch will see 1 to 3 inches of rain, localized amounts of 4-6 inches will be possible through Thursday night. - weather.gov/safety/flood
Severe
Possible
Future
September 2nd, 2026 02:01:00 am CDT
September 2nd, 2026 02:01:00 am CDT
September 2nd, 2026 04:15:00 pm CDT
Flood Watch
Freestone; Anderson; Leon
Flood Watch issued September 2 at 2:01AM CDT until September 3 at 1:00PM CDT by NWS Fort Worth TX
* WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of east-central Texas, including the following counties, Anderson, Freestone and Leon. * WHEN...From 5 AM CDT early this morning through Thursday afternoon. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. * ADDITIONAL DETAILS... - The soon to be remnants of Tropical Storm Edouard are expected to bring a localized swath of very heavy rain to portions of the Flood Watch. While most locations in the watch will see 1 to 3 inches of rain, localized amounts of 4-6 inches will be possible through Thursday night. - weather.gov/safety/flood
Severe
Possible
Future
September 2nd, 2026 02:01:00 am CDT
September 2nd, 2026 02:01:00 am CDT
September 2nd, 2026 04:15:00 pm CDT
Heat Advisory
Hughes; Jackson; Tillman; Comanche; Stephens; Murray; Pontotoc; Coal; Cotton; Jefferson; Carter; Johnston; Atoka; Love; Marshall; Bryan; Wilbarger; Wichita; Archer; Clay
Heat Advisory issued September 2 at 12:50AM CDT until September 2 at 7:00PM CDT by NWS Norman OK
* WHAT...Heat index values up to 109 expected. * WHERE...Portions of east central, southeast, southern, and southwest Oklahoma and northern Texas. * WHEN...From 1 PM this afternoon to 7 PM CDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.
Moderate
Likely
Expected
September 2nd, 2026 12:50:00 am CDT
September 2nd, 2026 12:50:00 am CDT
September 2nd, 2026 07:00:00 pm CDT
Flood Watch
Cherokee; Nacogdoches; Angelina; San Augustine
Flood Watch issued September 2 at 12:17AM CDT until September 3 at 7:00AM CDT by NWS Shreveport LA
* WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of east and northeast Texas, including the following counties, in east Texas, Angelina, Nacogdoches and San Augustine. In northeast Texas, Cherokee. * WHEN...Through Thursday morning. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. * ADDITIONAL DETAILS... - Periods of locally heavy rainfall resulting from Tropical Depression Edouard could lead to flooding. - http://www.weather.gov/safety/flood
Severe
Possible
Future
September 2nd, 2026 12:17:00 am CDT
September 2nd, 2026 12:17:00 am CDT
September 2nd, 2026 07:00:00 pm CDT
Wind Advisory
Cherokee; Nacogdoches; Angelina; San Augustine
The Wind Advisory has been cancelled.
The Wind Advisory has been cancelled and is no longer in effect.
Minor
Observed
Past
September 2nd, 2026 12:14:00 am CDT
September 2nd, 2026 12:14:00 am CDT
September 2nd, 2026 12:29:37 am CDT
Heat Advisory
Inland Kleberg; Inland Nueces; Inland San Patricio
Heat Advisory issued September 1 at 10:49PM CDT until September 2 at 6:00PM CDT by NWS Corpus Christi TX
* WHAT...Heat index values up to 113 expected. * WHERE...Inland Kleberg, Inland Nueces, and Inland San Patricio Counties. * WHEN...From noon to 6 PM CDT Wednesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.
Moderate
Likely
Expected
September 1st, 2026 10:49:00 pm CDT
September 1st, 2026 10:49:00 pm CDT
September 2nd, 2026 06:00:00 pm CDT
Heat Advisory
Inland Kenedy; Inland Willacy; Inland Cameron; Coastal Kenedy; Coastal Willacy
Heat Advisory issued September 1 at 10:40PM CDT until September 2 at 6:00PM CDT by NWS Brownsville TX
* WHAT...Heat index values up to 115 expected. * WHERE...Coastal Kenedy, Coastal Willacy, Inland Cameron, Inland Kenedy, and Inland Willacy Counties. * WHEN...From noon to 6 PM CDT Wednesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.
Moderate
Likely
Expected
September 1st, 2026 10:40:00 pm CDT
September 1st, 2026 10:40:00 pm CDT
September 2nd, 2026 12:00:00 pm CDT
Tropical Cyclone Local Statement
West Cameron; East Cameron; Northern Calcasieu; Northern Jefferson Davis; Upper Vermilion; Southern Calcasieu; Southern Jefferson Davis; Southern Acadia; Lower Vermilion; Tyler; Hardin; Northern Jasper; Northern Newton; Southern Jasper; Southern Newton; Upper Jefferson; Northern Orange; Lower Jefferson; Southern Orange
Tropical Cyclone Local Statement issued September 1 at 9:53PM CDT by NWS Lake Charles LA
HLSLCH This product covers Southwest Louisiana and Southeast Texas EDOUARD WEAKENING...DOWNGRADED TO A TROPICAL DEPRESSION NEW INFORMATION --------------- * CHANGES TO WATCHES AND WARNINGS: - All watches and warnings have been canceled * CURRENT WATCHES AND WARNINGS: - None * STORM INFORMATION: - About 70 miles north of High Island TX or about 90 miles west-northwest of Cameron LA - 30.5N 94.6W - Storm Intensity 35 mph - Movement Northwest or 315 degrees at 8 mph SITUATION OVERVIEW ------------------ Edouard has been downgraded to a Tropical Depression with the 10PM CDT advisory. Maximum sustained winds are now estimated to be 35 mph, with occasional tropical storm force gusts still possible through the next couple of hours. A Wind Advisory will remain in effect through 1AM for Tyler, Jasper, and Newton CO, as a result. The center of Edouard is near NW Hardin CO at this time, moving NW, with the area of heaviest rain situated north of the center. The threat for flooding rain will be the main concern through the overnight period, as the storm continues to weaken. A Flood Watch remains in effect for all of SE TX through 7AM. POTENTIAL IMPACTS ----------------- * FLOODING RAIN: Additional impacts from flooding rain are still a concern across interior southeast Texas. Remain well guarded against life-threatening flood waters having further impacts of extensive potential. Additional impacts from flooding rain are still a concern across interior southeast Texas. Remain well guarded against life-threatening flood waters having further impacts of limited to significant potential. * WIND: Little to no additional wind impacts expected. - Community officials are now assessing the extent of actual wind impacts accordingly. - Emergency work crews are restoring essential community infrastructure as necessary. - If you have an emergency dial 9 1 1. Elsewhere across Southwest Louisiana and Southeast Texas, little to no impact is anticipated. * TORNADOES: Additional impacts from tornadoes are still a concern across Southwest Louisiana and Southeast Texas. Remain well braced against tornado event having further limited impact potential. PRECAUTIONARY/PREPAREDNESS ACTIONS ---------------------------------- * EVACUATIONS: Follow the advice of local officials. * OTHER PREPAREDNESS INFORMATION: Check on your neighbors. If necessary, help them connect with their points of contact. Allow extra time for emergency vehicles to reach you as they navigate road hazards. Do not go sightseeing within impacted communities. Sightseers interfere with the emergency work of first responders. Be alert for any lingering wind gusts which could take down weakened trees and/or power lines, collapse damaged structures, or cause flying debris. * ADDITIONAL SOURCES OF INFORMATION: - For information on appropriate preparations see ready.gov - For information on creating an emergency plan see getagameplan.org - For additional disaster preparedness information see redcross.org NEXT UPDATE ----------- As it pertains to this event...this will be the last local statement issued by the National Weather Service in Lake Charles LA regarding the effects of tropical cyclone hazards upon the area.
Moderate
Likely
Expected
September 1st, 2026 09:53:00 pm CDT
September 1st, 2026 09:53:00 pm CDT
September 2nd, 2026 06:00:00 am CDT
Wind Advisory
Houston; Trinity; Walker; San Jacinto; Polk; Northern Liberty
Wind Advisory issued September 1 at 7:30PM CDT until September 2 at 1:00PM CDT by NWS Houston/Galveston TX
* WHAT...East to northeast winds 20 to 25 mph with gusts of 35 to 40 mph. * WHERE...Houston, Northern Liberty, Polk, San Jacinto, Trinity, and Walker Counties. * WHEN...Until 1 PM CDT Wednesday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.
Moderate
Likely
Expected
September 1st, 2026 07:30:00 pm CDT
September 1st, 2026 07:30:00 pm CDT
September 2nd, 2026 07:30:00 am CDT
Wind Advisory
Southern Liberty
Wind Advisory issued September 1 at 7:30PM CDT until September 2 at 1:00PM CDT by NWS Houston/Galveston TX
* WHAT...East to southeast winds 15 to 20 mph with gusts up to 35 mph. * WHERE...Southern Liberty County. * WHEN...Until 1 PM CDT Wednesday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.
Moderate
Likely
Expected
September 1st, 2026 07:30:00 pm CDT
September 1st, 2026 07:30:00 pm CDT
September 2nd, 2026 07:30:00 am CDT
Beach Hazards Statement
Galveston Island; Bolivar Peninsula
Beach Hazards Statement issued September 1 at 4:17PM CDT until September 2 at 9:00AM CDT by NWS Houston/Galveston TX
* WHAT...Strong rip currents are expected. Minor coastal flooding and wave run-ups are possible north of Port Bolivar, particularly during times of high tide. * WHERE...Gulf-facing beaches,including Galveston Island and the Bolivar Peninsula. * WHEN...Through Wednesday morning. * IMPACTS...Flooding of lots, parks, and roads with only isolated road closures possible, particularly for areas north of Port Bolivar. Rip currents can sweep even the best swimmers away from shore into deeper water.
Moderate
Likely
Expected
September 1st, 2026 04:17:00 pm CDT
September 1st, 2026 04:17:00 pm CDT
September 2nd, 2026 04:30:00 am CDT
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Currently
| 81°F |
29.92 inHg.
Barometer 75%
Humidity SSW 6.5 mph Wind |
|
| Clear | ||
National Outlook
Flash Floods Possible for Western Gulf Coast and Northeast 09-01 to 09-03
Heat Wave and Rainy Weather Ahead - 09-04 to 09-08
Tue Sep 1st 2026, 9:10am PDT
