National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heat Wave Continues in the West; Critical Fire Weather Conditions in the High Plains

An anomalously early heat wave will continue to intensify and expand across the West and Southwest as the week progresses. Numerous daily and potentially monthly record highs are expected to be broken. Critical fire weather conditions will continue over the next couple of days across portions of the High Plains as gusty winds and dry conditions persist. Read More >

Hazardous Weather Conditions

Current conditions at

Gillette, Gillette-Campbell County Airport (KGCC)

Lat: 44.34°NLon: 105.54°WElev: 4364ft.

Fair

67°F

19°C

Humidity 27%
Wind Speed S 3 mph
Barometer 29.99 in (1012.6 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 18 Mar 11:53 am MDT
Extended Forecast for

Gillette WY

Red Flag Warning March 18, 12:44pm until March 18, 07:00pm
Click here for hazard details and duration
Red Flag Warning
  •  
    Red Flag Warning March 18, 12:44pm until March 18, 07:00pm

    NOW until 7:00pm Wed

    Red Flag Warning

  • This Afternoon

    High: 73 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 39. Northwest wind 5 to 15 mph becoming southwest after midnight. Winds could gust as high as 22 mph.

    Low: 39 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 75. Southwest wind 7 to 13 mph becoming northwest in the afternoon. Winds could gust as high as 21 mph.

    High: 75 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 42. West wind 6 to 11 mph, with gusts as high as 17 mph.

    Low: 42 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 76. Southwest wind 7 to 10 mph, with gusts as high as 20 mph.

    High: 76 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 48. West wind 7 to 10 mph becoming southwest in the evening. Winds could gust as high as 17 mph.

    Low: 48 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 78. Southwest wind 10 to 18 mph becoming north in the afternoon. Winds could gust as high as 29 mph.

    High: 78 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A slight chance of rain after midnight. Mostly cloudy, with a low around 33. Breezy, with a north wind 13 to 20 mph, with gusts as high as 30 mph.

    Low: 33 °F

    Mostly Cloudy
    and Breezy
    then Slight
    Chance Rain

Detailed Forecast

This Afternoon
Sunny, with a high near 73. Northwest wind 11 to 18 mph, with gusts as high as 29 mph.
Tonight
Partly cloudy, with a low around 39. Northwest wind 5 to 15 mph becoming southwest after midnight. Winds could gust as high as 22 mph.
Thursday
Sunny, with a high near 75. Southwest wind 7 to 13 mph becoming northwest in the afternoon. Winds could gust as high as 21 mph.
Thursday Night
Mostly clear, with a low around 42. West wind 6 to 11 mph, with gusts as high as 17 mph.
Friday
Sunny, with a high near 76. Southwest wind 7 to 10 mph, with gusts as high as 20 mph.
Friday Night
Partly cloudy, with a low around 48. West wind 7 to 10 mph becoming southwest in the evening. Winds could gust as high as 17 mph.
Saturday
Mostly sunny, with a high near 78. Southwest wind 10 to 18 mph becoming north in the afternoon. Winds could gust as high as 29 mph.
Saturday Night
A slight chance of rain after midnight. Mostly cloudy, with a low around 33. Breezy, with a north wind 13 to 20 mph, with gusts as high as 30 mph.
Sunday
Partly sunny, with a high near 53.
Sunday Night
Partly cloudy, with a low around 32.
Monday
Partly sunny, with a high near 61.
Monday Night
Mostly cloudy, with a low around 36.
Tuesday
Partly sunny, with a high near 67.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Gillette WY
 44.29°N 105.51°W (Elev. 4600 ft)
Last Update:
12:32 pm MDT Mar 18, 2026
Forecast Valid:
12pm MDT Mar 18, 2026-6pm MDT Mar 24, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation