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

Heavy Rainfall to Bring Flooding Threat to California; Heavy Snow in the Sierra

A strong atmospheric river will bring heavy rainfall to California through the holiday week. The heaviest rainfall is expected on Wednesday in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall is expected in the Sierra Nevada from the atmospheric river, raising concerns for major snow‐load impacts. Travel may be difficult to impossible over the passes. Read More >

Current conditions at

Gillette, Gillette-Campbell County Airport (KGCC)

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

Fair and Windy

54°F

12°C

Humidity 29%
Wind Speed S 26 G 39 mph
Barometer 29.89 in (1009.9 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 24 Dec 1:53 am MST
Extended Forecast for

2 Miles NNW Sleepy Hollow WY

  • Overnight

    Overnight: Cloudy early, then becoming partly cloudy, with a low around 42. Southwest wind around 14 mph, with gusts as high as 22 mph.

    Low: 42 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 62. Breezy, with a southwest wind 14 to 20 mph, with gusts as high as 28 mph.

    High: 62 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a steady temperature around 53. Breezy, with a southwest wind 21 to 25 mph, with gusts as high as 36 mph.

    Low: 53 °F

    Mostly Cloudy
    and Breezy

  • Christmas Day

    Christmas Day: Partly sunny, with a high near 62. Breezy, with a southwest wind 17 to 26 mph, with gusts as high as 37 mph.

    High: 62 °F

    Partly Sunny
    and Breezy

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 39. Breezy, with a southwest wind 14 to 20 mph, with gusts as high as 29 mph.

    Low: 39 °F

    Partly Cloudy
    then Mostly
    Clear and
    Breezy

  • Friday

    Friday: Sunny, with a high near 56. Breezy, with a southwest wind 21 to 26 mph, with gusts as high as 36 mph.

    High: 56 °F

    Sunny and
    Breezy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 31. Breezy, with a southwest wind 20 to 22 mph, with gusts as high as 33 mph.

    Low: 31 °F

    Partly Cloudy
    and Breezy

  • Saturday

    Saturday: Increasing clouds, with a high near 42. Breezy, with a west wind 16 to 20 mph becoming north in the afternoon. Winds could gust as high as 29 mph.

    High: 42 °F

    Mostly Sunny
    then Partly
    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 7.

    Low: 7 °F

    Decreasing
    Clouds

Detailed Forecast

Overnight
Cloudy early, then becoming partly cloudy, with a low around 42. Southwest wind around 14 mph, with gusts as high as 22 mph.
Wednesday
Mostly sunny, with a high near 62. Breezy, with a southwest wind 14 to 20 mph, with gusts as high as 28 mph.
Wednesday Night
Mostly cloudy, with a steady temperature around 53. Breezy, with a southwest wind 21 to 25 mph, with gusts as high as 36 mph.
Christmas Day
Partly sunny, with a high near 62. Breezy, with a southwest wind 17 to 26 mph, with gusts as high as 37 mph.
Thursday Night
Mostly clear, with a low around 39. Breezy, with a southwest wind 14 to 20 mph, with gusts as high as 29 mph.
Friday
Sunny, with a high near 56. Breezy, with a southwest wind 21 to 26 mph, with gusts as high as 36 mph.
Friday Night
Partly cloudy, with a low around 31. Breezy, with a southwest wind 20 to 22 mph, with gusts as high as 33 mph.
Saturday
Increasing clouds, with a high near 42. Breezy, with a west wind 16 to 20 mph becoming north in the afternoon. Winds could gust as high as 29 mph.
Saturday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 7.
Sunday
Sunny, with a high near 29.
Sunday Night
Partly cloudy, with a low around 17.
Monday
Sunny, with a high near 44.
Monday Night
Mostly clear, with a low around 25.
Tuesday
Partly sunny, with a high near 47.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNW Sleepy Hollow WY
 44.27°N 105.45°W (Elev. 4600 ft)
Last Update:
1:36 am MST Dec 24, 2025
Forecast Valid:
2am MST Dec 24, 2025-6pm MST Dec 30, 2025
 
Forecast Discussion
 
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