Prolonged Atmospheric River Will Impact the Northwest Early this Week

A weather system in the Pacific Northwest will produce rain throughout the day, before a potent atmospheric river produces a prolonged round of heavy rainfall, widespread urban and river flooding, and high elevation snow to the region Monday through Wednesday. Showers and thunderstorms may produce isolated damaging winds, a brief tornado, and locally heavy rainfall across parts of Florida today. Read More >

Current conditions at

Gillette, Gillette-Campbell County Airport (KGCC)

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

A Few Clouds

34°F

1°C

Humidity 54%
Wind Speed SW 17 mph
Barometer 29.95 in (1015.8 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill23°F (-5°C)
Last update 7 Dec 10:53 pm MST
Extended Forecast for

4 Miles NNW Gillette WY

  • Tonight

    Tonight: Mostly cloudy, with a steady temperature around 33. Southwest wind around 11 mph, with gusts as high as 20 mph.

    Low: 33 °F

    Mostly Cloudy

  • Monday

    Monday: Increasing clouds, with a high near 47. Southwest wind 8 to 10 mph, with gusts as high as 18 mph.

    High: 47 °F

    Increasing
    Clouds

  • Monday Night

    Monday Night: Mostly cloudy, with a temperature rising to around 41 by 5am. Breezy, with a southwest wind 13 to 18 mph increasing to 20 to 25 mph after midnight. Winds could gust as high as 36 mph.

    Low: 34 °F

    Mostly Cloudy
    then Mostly
    Cloudy and
    Breezy

  • Tuesday

    Tuesday: A slight chance of rain after 11am, mixing with snow after 4pm.  Mostly cloudy, with a high near 50. Breezy, with a southwest wind 24 to 28 mph becoming northwest in the afternoon. Winds could gust as high as 38 mph.  Chance of precipitation is 20%.

    High: 50 °F

    Breezy.
    Slight Chance
    Rain then
    Slight Chance
    Rain/Snow

  • Tuesday Night

    Tuesday Night: A 30 percent chance of snow.  Mostly cloudy, with a low around 25. Blustery, with a northwest wind 13 to 21 mph becoming southwest after midnight. Winds could gust as high as 31 mph.

    Low: 25 °F

    Chance Snow
    and Blustery

  • Wednesday

    Wednesday: A chance of snow before 9am, then rain and snow likely between 9am and noon, then rain likely after noon.  Cloudy, with a high near 44. South wind 14 to 18 mph, with gusts as high as 25 mph.  Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 44 °F

    Rain/Snow
    Likely then
    Rain Likely

  • Wednesday Night

    Wednesday Night: Rain likely before midnight, then a chance of rain and snow between midnight and 2am, then a chance of snow after 2am.  Cloudy, with a low around 21. Northwest wind around 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 70%.

    Low: 21 °F

    Rain Likely
    then Chance
    Rain/Snow

  • Thursday

    Thursday: A chance of snow.  Mostly cloudy, with a high near 32. Northwest wind 11 to 13 mph, with gusts as high as 22 mph.

    High: 32 °F

    Chance Snow

  • Thursday Night

    Thursday Night: A chance of snow.  Mostly cloudy, with a low around 5.

    Low: 5 °F

    Chance Snow

Detailed Forecast

Tonight
Mostly cloudy, with a steady temperature around 33. Southwest wind around 11 mph, with gusts as high as 20 mph.
Monday
Increasing clouds, with a high near 47. Southwest wind 8 to 10 mph, with gusts as high as 18 mph.
Monday Night
Mostly cloudy, with a temperature rising to around 41 by 5am. Breezy, with a southwest wind 13 to 18 mph increasing to 20 to 25 mph after midnight. Winds could gust as high as 36 mph.
Tuesday
A slight chance of rain after 11am, mixing with snow after 4pm. Mostly cloudy, with a high near 50. Breezy, with a southwest wind 24 to 28 mph becoming northwest in the afternoon. Winds could gust as high as 38 mph. Chance of precipitation is 20%.
Tuesday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 25. Blustery, with a northwest wind 13 to 21 mph becoming southwest after midnight. Winds could gust as high as 31 mph.
Wednesday
A chance of snow before 9am, then rain and snow likely between 9am and noon, then rain likely after noon. Cloudy, with a high near 44. South wind 14 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Wednesday Night
Rain likely before midnight, then a chance of rain and snow between midnight and 2am, then a chance of snow after 2am. Cloudy, with a low around 21. Northwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.
Thursday
A chance of snow. Mostly cloudy, with a high near 32. Northwest wind 11 to 13 mph, with gusts as high as 22 mph.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 5.
Friday
A slight chance of snow. Mostly cloudy, with a high near 20.
Friday Night
Mostly cloudy, with a low around 8.
Saturday
Partly sunny, with a high near 34.
Saturday Night
Partly cloudy, with a low around 18.
Sunday
Partly sunny, with a high near 43.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNW Gillette WY
 44.35°N 105.55°W (Elev. 4400 ft)
9:42 pm MST Dec 7, 2025
11pm MST Dec 7, 2025-6pm MST Dec 14, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database