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Thornville Warnings, Watches and Advisories

SAFETY and DATA MESSAGE

When a severe thunderstorm warning is issued, the storm may produce damaging winds, large hail, dangerous lightning, and heavy rain. In some cases, heavy rainfall produced by a severe storm can also lead to flash flooding. 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 Thornville.

Use the Radar Maps link provided to understand the trajectory of a storm.

NWS Active Alerts for OH - Map View

State: OH Total alerts: 7 Updated: Sep 4, 2026 8:05am EDT

Special Weather Statement

Area
Lucas; Ottawa
Special Weather Statement issued September 4 at 7:59AM EDT by NWS Cleveland OH

At 759 AM EDT, Doppler radar was tracking a strong thunderstorm near Oregon, or 12 miles east of Toledo, moving southeast at 35 mph. HAZARD...Wind gusts up to 40 mph. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include... Port Clinton, Oregon, Northwood, Oak Harbor, Millbury, Marblehead, Rocky Ridge, Clay Center, Reno Beach, Williston, and Bono.

Special Weather Statement

Area
Geauga; Ashtabula Inland; Portage; Trumbull; Mahoning; Southern Erie; Crawford
Special Weather Statement issued September 4 at 7:16AM EDT by NWS Cleveland OH

Patchy dense fog has developed early this morning, especially in low-lying areas. Motorists should be prepared for rapidly fluctuating visibility from unrestricted to locally under one- quarter of a mile if traveling early this morning. Use your low beam headlights and maintain safe following distance between you and the vehicle in front of you. The fog will gradually dissipate through the morning.

Flood Advisory

Area
Lucas, OH; Wood, OH
Flood Advisory issued September 4 at 5:36AM EDT until September 4 at 8:30AM EDT by NWS Cleveland OH

* WHAT...Flooding caused by excessive rainfall is expected. * WHERE...Northwestern Lucas County in northwestern Ohio... Northeastern Wood County in northwestern Ohio... * WHEN...Until 830 AM EDT. * IMPACTS...Minor flooding in low-lying and poor drainage areas. * ADDITIONAL DETAILS... - At 536 AM EDT, Doppler radar indicated heavy rain due to thunderstorms. Minor flooding is ongoing or expected to begin shortly in the advisory area. Between 0.5 and 1.5 inches of rain have fallen. - Additional rainfall amounts up to 1 inch are expected over the area. This additional rain will result in minor flooding. - Some locations that will experience flooding include... Toledo, Perrysburg, Rossford, Holland, Maumee, Walbridge and Berkey. - Please visit www.weather.gov/safety/flood for flood safety and preparedness information.

Heat Advisory

Area
Mercer; Auglaize; Shelby; Logan; Champaign
Heat Advisory issued September 4 at 1:49AM EDT until September 4 at 8:00PM EDT by NWS Wilmington OH

* WHAT...Afternoon heat index values of 100 to 105 expected. * WHERE...Auglaize, Champaign, Logan, Mercer, and Shelby Counties. * WHEN...Until 8 PM EDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

Heat Advisory

Area
Wayne; Fayette; Union; Franklin; Ripley; Dearborn; Ohio; Switzerland; Carroll; Gallatin; Boone; Kenton; Campbell; Owen; Grant; Pendleton; Bracken; Robertson; Mason; Lewis; Darke; Miami; Clark; Madison; Franklin; Preble; Montgomery; Greene; Fayette; Pickaway; Fairfield; Butler; Warren; Clinton; Ross; Hocking; Hamilton; Clermont; Brown; Highland; Adams; Pike; Scioto
Heat Advisory issued September 4 at 1:49AM EDT until September 4 at 8:00PM EDT by NWS Wilmington OH

* WHAT...Afternoon heat index values of 100 to 105 expected. * WHERE...Portions of east central and southeast Indiana, northeast and northern Kentucky, and central, south central, southwest, and west central Ohio. * WHEN...Until 8 PM EDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

Heat Advisory

Area
Elkhart; Lagrange; Steuben; Noble; De Kalb; Starke; Marshall; Whitley; Allen; Wabash; Huntington; Wells; Adams; Grant; Blackford; Jay; Northern La Porte; Eastern St. Joseph; Northern Kosciusko; Southern La Porte; Western St. Joseph; Southern Kosciusko; Defiance; Henry; Paulding; Putnam; Van Wert; Allen
Heat Advisory issued September 4 at 1:46AM EDT until September 4 at 8:00PM EDT by NWS Northern Indiana

* WHAT...Heat index values up to around 100 degrees. * WHERE...Portions of northern Indiana and northwest Ohio. * WHEN...Until 8 PM EDT /7 PM CDT/ this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

Heat Advisory

Area
Greenup; Carter; Boyd; Lawrence; Perry; Morgan; Athens; Washington; Jackson; Vinton; Meigs; Gallia; Lawrence; Wayne; Cabell; Mason; Jackson; Wood; Pleasants; Tyler; Lincoln; Putnam; Kanawha; Roane; Wirt; Calhoun; Ritchie; Doddridge; Mingo; Logan; Boone; Clay; Braxton; Gilmer; Lewis; Harrison
Heat Advisory issued September 4 at 1:28AM EDT until September 4 at 8:00PM EDT by NWS Charleston WV

* WHAT...Heat index values up to 103. * WHERE...Portions of northeast Kentucky, southeast Ohio, and central, northern, southern, and western West Virginia. * WHEN...Until 8 PM EDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

For more official information about severe storms and how to stay safe, visit the National Weather Service's Severe Thunderstorm Safety page. We encourage you to also monitor Excessive Rainfall Forecasts on their Weather Prediction Center website.

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