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

Olivia Regional Airport (KOVL)

Lat: 44.78°NLon: 95.03°WElev: 1079ft.

Fog/Mist

34°F

1°C

Humidity 93%
Wind Speed SE 14 mph
Barometer 29.77 in
Dewpoint 32°F (0°C)
Visibility 0.75 mi
Wind Chill25°F (-4°C)
Last update 25 Dec 5:35 pm CST
Extended Forecast for

5 Miles SW Cosmos MN

  • Christmas Day

    Christmas Day: A slight chance of drizzle.  Patchy fog.  Otherwise, cloudy, with a high near 35. Southeast wind around 15 mph.

    High: 35 °F

    Slight Chance
    Drizzle and
    Patchy Fog

  • Tonight

    Tonight: A chance of drizzle, mainly before 9pm.  Patchy fog.  Otherwise, mostly cloudy, with a steady temperature around 34. South southeast wind 5 to 15 mph becoming west northwest after midnight.

    Low: 34 °F

    Chance
    Drizzle and
    Patchy Fog
    then Areas
    Fog

  • Friday

    Friday: Patchy fog before 11am.  Otherwise, partly sunny, with a high near 34. Northwest wind 5 to 10 mph becoming light and variable  in the afternoon.

    High: 34 °F

    Patchy Fog
    then Partly
    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a temperature rising to around 34 by 5am. Light south southeast wind increasing to 5 to 10 mph in the evening.

    Low: 30 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 44. South southeast wind 5 to 10 mph.

    High: 44 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 15. Southeast wind 5 to 10 mph becoming northwest 10 to 15 mph after midnight. Winds could gust as high as 25 mph.

    Low: 15 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 30 percent chance of snow, mainly before noon.  Mostly cloudy, with a temperature rising to near 20 by 9am, then falling to around 11 during the remainder of the day. Blustery, with a northwest wind 20 to 25 mph, with gusts as high as 35 mph.

    High: 20 °F

    Chance Snow
    and Blustery

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 1. Blustery, with a northwest wind 20 to 25 mph, with gusts as high as 35 mph.

    Low: 1 °F

    Mostly Cloudy
    and Blustery

  • Monday

    Monday: Mostly sunny, with a high near 10. Blustery, with a northwest wind 10 to 20 mph, with gusts as high as 30 mph.

    High: 10 °F

    Mostly Sunny
    and Blustery
    then Sunny

Detailed Forecast

Christmas Day
A slight chance of drizzle. Patchy fog. Otherwise, cloudy, with a high near 35. Southeast wind around 15 mph.
Tonight
A chance of drizzle, mainly before 9pm. Patchy fog. Otherwise, mostly cloudy, with a steady temperature around 34. South southeast wind 5 to 15 mph becoming west northwest after midnight.
Friday
Patchy fog before 11am. Otherwise, partly sunny, with a high near 34. Northwest wind 5 to 10 mph becoming light and variable in the afternoon.
Friday Night
Mostly cloudy, with a temperature rising to around 34 by 5am. Light south southeast wind increasing to 5 to 10 mph in the evening.
Saturday
Mostly cloudy, with a high near 44. South southeast wind 5 to 10 mph.
Saturday Night
Mostly cloudy, with a low around 15. Southeast wind 5 to 10 mph becoming northwest 10 to 15 mph after midnight. Winds could gust as high as 25 mph.
Sunday
A 30 percent chance of snow, mainly before noon. Mostly cloudy, with a temperature rising to near 20 by 9am, then falling to around 11 during the remainder of the day. Blustery, with a northwest wind 20 to 25 mph, with gusts as high as 35 mph.
Sunday Night
Mostly cloudy, with a low around 1. Blustery, with a northwest wind 20 to 25 mph, with gusts as high as 35 mph.
Monday
Mostly sunny, with a high near 10. Blustery, with a northwest wind 10 to 20 mph, with gusts as high as 30 mph.
Monday Night
Partly cloudy, with a low around 4. West northwest wind 5 to 10 mph becoming southwest after midnight.
Tuesday
Mostly cloudy, with a high near 30. Southwest wind 5 to 15 mph becoming west northwest in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 11. West northwest wind around 10 mph.
Wednesday
Mostly cloudy, with a high near 20. North northwest wind around 10 mph.
Wednesday Night
Mostly cloudy, with a low around 3. North northwest wind 5 to 10 mph.
New Year's Day
Mostly sunny, with a high near 14. North northwest wind 5 to 10 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SW Cosmos MN
 44.9°N 94.76°W (Elev. 1132 ft)
4:37 pm CST Dec 25, 2025
5pm CST Dec 25, 2025-6pm CST Jan 1, 2026
 
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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