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

93°F

34°C

Humidity 15%
Wind Speed Vrbl 6 mph
Barometer 30.08 in (1013.1 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 13 Jul 3:53 pm MDT
Extended Forecast for

Gillette WY

  • Tonight

    Tonight: Mostly clear, with a low around 63. Northeast wind 5 to 15 mph becoming south after midnight. Winds could gust as high as 25 mph.

    Low: 63 °F

    Mostly Clear

  • Monday

    Monday: Increasing clouds, with a high near 93. South wind 5 to 10 mph becoming north in the afternoon. Winds could gust as high as 20 mph.

    High: 93 °F

    Increasing
    Clouds

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 59. North wind around 10 mph becoming south in the evening. Winds could gust as high as 20 mph.

    Low: 59 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 72. North wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 72 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 54. Northeast wind 10 to 15 mph becoming southeast after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 70%.

    Low: 54 °F

    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 68. Southeast wind 10 to 15 mph becoming north in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 70%.

    High: 68 °F

    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 49. North wind 10 to 15 mph becoming southeast after midnight. Winds could gust as high as 25 mph.

    Low: 49 °F

    Chance
    Showers then
    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 77. South wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 77 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms before midnight. Mostly clear, with a low around 54.

    Low: 54 °F

    Slight Chance
    T-storms then
    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 63. Northeast wind 5 to 15 mph becoming south after midnight. Winds could gust as high as 25 mph.
Monday
Increasing clouds, with a high near 93. South wind 5 to 10 mph becoming north in the afternoon. Winds could gust as high as 20 mph.
Monday Night
A 30 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 59. North wind around 10 mph becoming south in the evening. Winds could gust as high as 20 mph.
Tuesday
A 40 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 72. North wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 54. Northeast wind 10 to 15 mph becoming southeast after midnight. Winds could gust as high as 25 mph. 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 68. Southeast wind 10 to 15 mph becoming north in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 70%.
Wednesday Night
A 30 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 49. North wind 10 to 15 mph becoming southeast after midnight. Winds could gust as high as 25 mph.
Thursday
Mostly sunny, with a high near 77. South wind 10 to 15 mph, with gusts as high as 20 mph.
Thursday Night
A slight chance of showers and thunderstorms before midnight. Mostly clear, with a low around 54.
Friday
Sunny, with a high near 82.
Friday Night
Partly cloudy, with a low around 57.
Saturday
Mostly sunny, with a high near 83.
Saturday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 59.
Sunday
Sunny, with a high near 88.
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ABOUT THIS FORECAST

 
Point Forecast:
Gillette WY
 44.29°N 105.51°W (Elev. 4600 ft)
Last Update:
3:30 pm MDT Jul 13, 2025
Forecast Valid:
4pm MDT Jul 13, 2025-6pm MDT Jul 20, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation