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

Atmospheric River Bringing Heavy Rain to Southern California and Heavy Snow to the Sierra Nevadas

A strong atmospheric river will continue heavy rain over southern California through Friday. The heaviest rainfall is ongoing today in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall has begun over the Sierra Nevada Mountains and will continue through Friday. Travel will become increasingly difficult over the passes due to snow and strong winds. Read More >

Hazardous Weather Conditions

Current conditions at

Grant Municipal Airport (KGGF)

Lat: 40.87°NLon: 101.73°WElev: 3425ft.

Fair

30°F

-1°C

Humidity 80%
Wind Speed SW 7 mph
Barometer 29.90 in
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill23°F (-5°C)
Last update 25 Dec 5:55 am MST
Extended Forecast for

2 Miles NNW Grant NE

  • Christmas Day

    Christmas Day: Partly sunny, with a high near 66. South wind around 5 mph becoming west in the afternoon.

    High: 66 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 33. West wind 5 to 10 mph.

    Low: 33 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 65. West wind 5 to 10 mph becoming south in the afternoon.

    High: 65 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 30. South wind around 5 mph becoming west northwest after midnight.

    Low: 30 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 59. West northwest wind 5 to 10 mph becoming north in the afternoon.

    High: 59 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A slight chance of rain before 11pm, then a chance of rain and snow between 11pm and 2am, then a chance of snow after 2am. Mostly cloudy, with a low around 15. Chance of precipitation is 40%.

    Low: 15 °F

    Chance
    Rain/Snow

  • Sunday

    Sunday: A 20 percent chance of snow before 11am. Mostly sunny, with a high near 28. Blustery.

    High: 28 °F

    Blustery.
    Slight Chance
    Snow then
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 11.

    Low: 11 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 40.

    High: 40 °F

    Sunny

Detailed Forecast

Christmas Day
Partly sunny, with a high near 66. South wind around 5 mph becoming west in the afternoon.
Tonight
Mostly clear, with a low around 33. West wind 5 to 10 mph.
Friday
Mostly sunny, with a high near 65. West wind 5 to 10 mph becoming south in the afternoon.
Friday Night
Partly cloudy, with a low around 30. South wind around 5 mph becoming west northwest after midnight.
Saturday
Partly sunny, with a high near 59. West northwest wind 5 to 10 mph becoming north in the afternoon.
Saturday Night
A slight chance of rain before 11pm, then a chance of rain and snow between 11pm and 2am, then a chance of snow after 2am. Mostly cloudy, with a low around 15. Chance of precipitation is 40%.
Sunday
A 20 percent chance of snow before 11am. Mostly sunny, with a high near 28. Blustery.
Sunday Night
Mostly clear, with a low around 11.
Monday
Sunny, with a high near 40.
Monday Night
Mostly clear, with a low around 18.
Tuesday
Mostly sunny, with a high near 50.
Tuesday Night
Partly cloudy, with a low around 21.
Wednesday
Mostly sunny, with a high near 49.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNW Grant NE
 40.87°N 101.73°W
Last Update:
2:17 am MST Dec 25, 2025
Forecast Valid:
6am MST Dec 25, 2025-6pm MST Dec 31, 2025
 
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Additional Resources

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Chance of Precipitation