Gillette, WY Warnings, Watches and Advisories

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 Gillette.

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

Red Flag Warning issued September 7 at 2:47PM MDT until September 7 at 7:00PM MDT by NWS Riverton WY

* IMPACTS: Low Humidities...Strong Gusty Winds...and Wind Shift with a Cold Front could cause erratic fire behavior. * AFFECTED AREA: In North Central WY...Fire Weather Zones 275 and 282. * COUNTIES AFFECTED: In North Central WY...Big Horn...Hot Springs...Park...Washakie. * COLD FRONT: A cold front will push into northern portions of the Bighorn Basin around 1500, reaching Greybull and Basin by 1700. This will bring a wind shift from southwesterly to northwesterly. The front will pass through the rest of the Bighorn Basin by 2100. * WIND: West 15 to 25 mph with gusts up to 35 mph. * HUMIDITY: As low as 12 percent.

Red Flag Warning issued September 7 at 9:33AM MDT until September 7 at 7:00PM MDT by NWS Rapid City SD

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM MDT THIS EVENING DUE TO GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FALL RIVER COUNTY AREA, NORTHERN CAMPBELL, SOUTHERN CAMPBELL, CROOK COUNTY PLAINS, AND WESTON COUNTY PLAINS... * AFFECTED AREA...Fire Weather Zones 314, 315, 316, 317, and 322. * TIMING...Until 7 PM MDT this evening. * WINDS...West to southwest winds 15 to 25 MPH with gusts up to 35 MPH. * RELATIVE HUMIDITY...Relative Humidity as low as 14 percent. * IMPACTS...Any fires that develop will spread rapidly. Outdoor burning is not recommended.