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

Gillette, Gillette-Campbell County Airport (KGCC)

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

Fair

29°C

85°F

Humidity 25%
Wind Speed E 15 km/h
Barometer 1012.2 mb (30.07 in)
Dewpoint 7°C (45°F)
Visibility 16 km
Heat Index28°C (82°F)
Last update 13 Jul 7:53 pm MDT
Extended Forecast for

Gillette WY

  • Tonight

    Tonight: Mostly clear, with a low around 17. South wind 15 to 25 km/h, with gusts as high as 35 km/h.

    Low: 17 °C

    Mostly Clear

  • Monday

    Monday: Increasing clouds, with a high near 34. South wind 10 to 20 km/h becoming north in the afternoon. Winds could gust as high as 30 km/h.

    High: 34 °C

    Increasing
    Clouds

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 15. North wind around 15 km/h becoming south in the evening. Winds could gust as high as 30 km/h.

    Low: 15 °C

    Chance
    T-storms then
    Mostly Cloudy

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 22. North wind 15 to 25 km/h, with gusts as high as 40 km/h.

    High: 22 °C

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 12. Northeast wind 15 to 25 km/h becoming southeast after midnight. Winds could gust as high as 40 km/h. Chance of precipitation is 70%.

    Low: 12 °C

    Showers
    Likely

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 20. Southeast wind 20 to 25 km/h becoming north in the afternoon. Winds could gust as high as 40 km/h. Chance of precipitation is 70%.

    High: 20 °C

    Chance
    T-storms then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 9. North wind 20 to 25 km/h becoming southeast after midnight. Winds could gust as high as 40 km/h.

    Low: 9 °C

    Chance
    Showers then
    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 25. South wind around 20 km/h, with gusts as high as 35 km/h.

    High: 25 °C

    Mostly Sunny

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms before midnight. Mostly clear, with a low around 12.

    Low: 12 °C

    Slight Chance
    T-storms then
    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 17. South wind 15 to 25 km/h, with gusts as high as 35 km/h.
Monday
Increasing clouds, with a high near 34. South wind 10 to 20 km/h becoming north in the afternoon. Winds could gust as high as 30 km/h.
Monday Night
A 30 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 15. North wind around 15 km/h becoming south in the evening. Winds could gust as high as 30 km/h.
Tuesday
A 40 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 22. North wind 15 to 25 km/h, with gusts as high as 40 km/h.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 12. Northeast wind 15 to 25 km/h becoming southeast after midnight. Winds could gust as high as 40 km/h. Chance of precipitation is 70%.
Wednesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 20. Southeast wind 20 to 25 km/h becoming north in the afternoon. Winds could gust as high as 40 km/h. Chance of precipitation is 70%.
Wednesday Night
A 30 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 9. North wind 20 to 25 km/h becoming southeast after midnight. Winds could gust as high as 40 km/h.
Thursday
Mostly sunny, with a high near 25. South wind around 20 km/h, with gusts as high as 35 km/h.
Thursday Night
A slight chance of showers and thunderstorms before midnight. Mostly clear, with a low around 12.
Friday
Sunny, with a high near 28.
Friday Night
Partly cloudy, with a low around 14.
Saturday
Mostly sunny, with a high near 28.
Saturday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 15.
Sunday
Sunny, with a high near 31.
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ABOUT THIS FORECAST

 
Point Forecast:
Gillette WY
 44.29°N 105.51°W (Elev. 4600 m)
Last Update:
7:29 pm MDT Jul 13, 2025
Forecast Valid:
8pm MDT Jul 13, 2025-6pm MDT Jul 20, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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