Dangerous Heat and Heavy Rainfall into the Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend. Heat Advisories remain in effect. Heavy to excessive rainfall occurring at times through the weekend could bring areas of flooding to parts of the northern Rockies, upper Midwest, central Great Lakes, and southern New England. Read More >

Current conditions at

Gillette, Gillette-Campbell County Airport (KGCC)

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

Light Rain and Breezy

62°F

17°C

Humidity 80%
Wind Speed NW 21 G 26 mph
Barometer 30.09 in (1016.8 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 19 Sep 4:53 pm MDT
Extended Forecast for

5 Miles NNW Gillette WY

  • This Afternoon

    This Afternoon: A 30 percent chance of showers and thunderstorms.  Mostly cloudy, with a steady temperature around 64. North wind around 7 mph, with gusts as high as 20 mph.

    High: 64 °F

    Chance
    T-storms

  • Tonight

    Tonight: Showers and thunderstorms likely before 2am, then showers likely and possibly a thunderstorm between 2am and 4am, then a chance of showers and thunderstorms after 4am.  Cloudy, with a low around 47. North wind 5 to 8 mph becoming southwest after midnight. Winds could gust as high as 20 mph.  Chance of precipitation is 60%.

    Low: 47 °F

    T-storms
    Likely

  • Sunday

    Sunday: Showers before 9am, then showers likely and possibly a thunderstorm between 9am and noon, then showers and thunderstorms likely after noon.  High near 61. West wind 6 to 9 mph becoming north in the afternoon. Winds could gust as high as 23 mph.  Chance of precipitation is 80%.

    High: 61 °F

    Showers then
    T-storms
    Likely

  • Sunday Night

    Sunday Night: Showers and thunderstorms likely.  Cloudy, with a low around 44. North wind 5 to 8 mph becoming calm  in the evening. Winds could gust as high as 22 mph.  Chance of precipitation is 70%.

    Low: 44 °F

    T-storms
    Likely then
    Chance
    Showers

  • Monday

    Monday: Cloudy, then gradually becoming mostly sunny, with a high near 66. Light and variable wind becoming southeast 5 to 10 mph in the afternoon. Winds could gust as high as 21 mph.

    High: 66 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Partly cloudy, with a low around 43. Breezy, with a south wind 11 to 21 mph, with gusts as high as 38 mph.

    Low: 43 °F

    Partly Cloudy
    and Breezy

  • Tuesday

    Tuesday: Sunny, with a high near 75. Breezy.

    High: 75 °F

    Mostly Sunny
    and Breezy
    then Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 49. Breezy.

    Low: 49 °F

    Mostly Clear
    and Breezy
    then Partly
    Cloudy

  • Wednesday

    Wednesday: A slight chance of showers.  Mostly sunny, with a high near 78.

    High: 78 °F

    Slight Chance
    Showers

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a steady temperature around 64. North wind around 7 mph, with gusts as high as 20 mph.
Tonight
Showers and thunderstorms likely before 2am, then showers likely and possibly a thunderstorm between 2am and 4am, then a chance of showers and thunderstorms after 4am. Cloudy, with a low around 47. North wind 5 to 8 mph becoming southwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 60%.
Sunday
Showers before 9am, then showers likely and possibly a thunderstorm between 9am and noon, then showers and thunderstorms likely after noon. High near 61. West wind 6 to 9 mph becoming north in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 80%.
Sunday Night
Showers and thunderstorms likely. Cloudy, with a low around 44. North wind 5 to 8 mph becoming calm in the evening. Winds could gust as high as 22 mph. Chance of precipitation is 70%.
Monday
Cloudy, then gradually becoming mostly sunny, with a high near 66. Light and variable wind becoming southeast 5 to 10 mph in the afternoon. Winds could gust as high as 21 mph.
Monday Night
Partly cloudy, with a low around 43. Breezy, with a south wind 11 to 21 mph, with gusts as high as 38 mph.
Tuesday
Sunny, with a high near 75. Breezy.
Tuesday Night
Mostly clear, with a low around 49. Breezy.
Wednesday
A slight chance of showers. Mostly sunny, with a high near 78.
Wednesday Night
Mostly clear, with a low around 48.
Thursday
Sunny, with a high near 81.
Thursday Night
Mostly clear, with a low around 52.
Friday
Mostly sunny, with a high near 82. Breezy.
Friday Night
Partly cloudy, with a low around 51.
Saturday
Mostly sunny, with a high near 78.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NNW Gillette WY
 44.35°N 105.55°W (Elev. 4400 ft)
4:01 pm MDT Sep 19, 2026
5pm MDT Sep 19, 2026-6pm MDT Sep 26, 2026
 
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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