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

Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds from the Upper Midwest into the Northeast

A prolonged atmospheric river will continue to impact the Pacific Northwest into the Northern Rockies with heavy rainfall, areas of urban and river flooding, landslides, heavy mountain snow, and gusty winds into Thursday. A strong clipper system will bring the threat of heavy snow and high winds across the Upper Midwest/Great Lakes as well as portions of the interior Northeast and Appalachians. Read More >

Hazardous Weather Conditions

Current conditions at

Gillette, Gillette-Campbell County Airport (KGCC)

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

Partly Cloudy

32°F

0°C

Humidity 82%
Wind Speed NW 10 mph
Barometer 30.09 in (1019.3 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill24°F (-4°C)
Last update 9 Dec 10:53 pm MST
Extended Forecast for

Gillette WY

  • Tonight

    Tonight: Mostly cloudy, with a low around 27. West wind 8 to 15 mph, with gusts as high as 23 mph.

    Low: 27 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of snow before noon, then a chance of rain. Mostly cloudy, with a high near 47. South wind 8 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.

    High: 47 °F

    Chance Snow
    then Chance
    Rain

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain after 11pm. Mostly cloudy, with a low around 39. Southwest wind 10 to 14 mph, with gusts as high as 23 mph.

    Low: 39 °F

    Slight Chance
    Rain

  • Thursday

    Thursday: A 30 percent chance of rain, mainly after 5pm. Mostly cloudy, with a high near 56. Southwest wind around 15 mph becoming northwest in the afternoon. Winds could gust as high as 25 mph.

    High: 56 °F

    Chance Rain

  • Thursday Night

    Thursday Night: A chance of rain before 8pm, then a chance of rain and snow between 8pm and 9pm, then a chance of snow after 9pm. Cloudy, with a low around 19. North wind 9 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 50%. New snow accumulation of less than one inch possible.

    Low: 19 °F

    Chance
    Rain/Snow
    then Chance
    Snow

  • Friday

    Friday: A 40 percent chance of snow. Cloudy, with a high near 28. East wind around 8 mph, with gusts as high as 15 mph. New snow accumulation of less than one inch possible.

    High: 28 °F

    Chance Snow

  • Friday Night

    Friday Night: A 20 percent chance of snow. Mostly cloudy, with a low around 10. Southeast wind 7 to 10 mph becoming west after midnight. Winds could gust as high as 18 mph.

    Low: 10 °F

    Slight Chance
    Snow

  • Saturday

    Saturday: Partly sunny, with a high near 26. Northwest wind 6 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 17 mph.

    High: 26 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 14.

    Low: 14 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 27. West wind 8 to 15 mph, with gusts as high as 23 mph.
Wednesday
A chance of snow before noon, then a chance of rain. Mostly cloudy, with a high near 47. South wind 8 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.
Wednesday Night
A 20 percent chance of rain after 11pm. Mostly cloudy, with a low around 39. Southwest wind 10 to 14 mph, with gusts as high as 23 mph.
Thursday
A 30 percent chance of rain, mainly after 5pm. Mostly cloudy, with a high near 56. Southwest wind around 15 mph becoming northwest in the afternoon. Winds could gust as high as 25 mph.
Thursday Night
A chance of rain before 8pm, then a chance of rain and snow between 8pm and 9pm, then a chance of snow after 9pm. Cloudy, with a low around 19. North wind 9 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 50%. New snow accumulation of less than one inch possible.
Friday
A 40 percent chance of snow. Cloudy, with a high near 28. East wind around 8 mph, with gusts as high as 15 mph. New snow accumulation of less than one inch possible.
Friday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 10. Southeast wind 7 to 10 mph becoming west after midnight. Winds could gust as high as 18 mph.
Saturday
Partly sunny, with a high near 26. Northwest wind 6 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 17 mph.
Saturday Night
Partly cloudy, with a low around 14.
Sunday
Mostly sunny, with a high near 49.
Sunday Night
Partly cloudy, with a low around 28.
Monday
Mostly sunny, with a high near 48.
Monday Night
Partly cloudy, with a low around 31.
Tuesday
Partly sunny, with a high near 51.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Gillette WY
 44.29°N 105.51°W (Elev. 4600 ft)
Last Update:
11:12 pm MST Dec 9, 2025
Forecast Valid:
11pm MST Dec 9, 2025-6pm MST Dec 16, 2025
 
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