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

Sidney, Sidney Municipal Airport (KSNY)

Lat: 41.1°NLon: 102.99°WElev: 4311ft.

Fair

59°F

15°C

Humidity 31%
Wind Speed SW 3 mph
Barometer 29.81 in (1007.4 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 25 Dec 11:53 am MST
Extended Forecast for

Chappell NE

  • Christmas Day

    Christmas Day: Partly sunny, with a high near 68. West wind around 10 mph.

    High: 68 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 32. West northwest wind 5 to 10 mph.

    Low: 32 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 63. West wind 5 to 10 mph becoming south southeast in the afternoon.

    High: 63 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 29. South wind around 5 mph becoming west after midnight.

    Low: 29 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 57. West wind 5 to 15 mph.

    High: 57 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A chance of rain before 8pm, then a chance of rain and snow between 8pm and 2am, then a chance of snow after 2am. Mostly cloudy, with a low around 15. Blustery. Chance of precipitation is 40%.

    Low: 15 °F

    Chance
    Rain/Snow and
    Blustery

  • Sunday

    Sunday: A 20 percent chance of snow before 11am. Partly sunny, with a high near 27. Blustery.

    High: 27 °F

    Blustery.
    Slight Chance
    Snow then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 9.

    Low: 9 °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 68. West wind around 10 mph.
Tonight
Mostly clear, with a low around 32. West northwest wind 5 to 10 mph.
Friday
Mostly sunny, with a high near 63. West wind 5 to 10 mph becoming south southeast in the afternoon.
Friday Night
Mostly cloudy, with a low around 29. South wind around 5 mph becoming west after midnight.
Saturday
Partly sunny, with a high near 57. West wind 5 to 15 mph.
Saturday Night
A chance of rain before 8pm, then a chance of rain and snow between 8pm and 2am, then a chance of snow after 2am. Mostly cloudy, with a low around 15. Blustery. Chance of precipitation is 40%.
Sunday
A 20 percent chance of snow before 11am. Partly sunny, with a high near 27. Blustery.
Sunday Night
Mostly clear, with a low around 9.
Monday
Sunny, with a high near 40.
Monday Night
Partly cloudy, with a low around 18.
Tuesday
Mostly sunny, with a high near 49.
Tuesday Night
Partly cloudy, with a low around 21.
Wednesday
Sunny, with a high near 51.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Chappell NE
 41.09°N 102.47°W
Last Update:
11:37 am MST Dec 25, 2025
Forecast Valid:
12pm MST Dec 25, 2025-6pm MST Dec 31, 2025
 
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Additional Resources

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Chance of Precipitation