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

ROLLA (K06D)

Lat: 48.88°NLon: 99.62°WElev: 1824ft.

Overcast

5°F

-15°C

Humidity 78%
Wind Speed E 12 mph
Barometer 29.96 in
Dewpoint 0°F (-18°C)
Visibility 10.00 mi
Wind Chill-11°F (-24°C)
Last update 25 Dec 6:35 am CST
Extended Forecast for

Saint John ND

  • Christmas Day

    Christmas Day: A slight chance of flurries before noon. Patchy fog. Otherwise, cloudy, with a high near 19. East wind 6 to 16 mph becoming south in the afternoon. Winds could gust as high as 34 mph.

    High: 19 °F

    Slight Chance
    Flurries and
    Patchy Fog

  • Tonight

    Tonight: Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 8. West wind 5 to 7 mph.

    Low: 8 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Friday

    Friday: Areas of fog before 1pm. Otherwise, mostly cloudy, with a high near 21. West wind 6 to 8 mph becoming south in the afternoon.

    High: 21 °F

    Areas Fog

  • Friday Night

    Friday Night: A chance of freezing rain before 3am, then a chance of snow. Cloudy, with a low around 11. East wind 7 to 10 mph. Chance of precipitation is 30%.

    Low: 11 °F

    Slight Chance
    Freezing Rain
    then Chance
    Wintry Mix

  • Saturday

    Saturday: A 20 percent chance of snow. Mostly cloudy, with a high near 22. East wind 9 to 14 mph becoming northwest in the afternoon. Winds could gust as high as 21 mph.

    High: 22 °F

    Slight Chance
    Snow

  • Saturday Night

    Saturday Night: A 30 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around -4. Blustery, with a northwest wind 14 to 22 mph, with gusts as high as 31 mph.

    Low: -4 °F

    Chance Snow
    and Blustery

  • Sunday

    Sunday: Mostly cloudy and cold, with a high near 1. Blustery, with a northwest wind 20 to 23 mph, with gusts as high as 33 mph.

    High: 1 °F

    Cold and
    Blustery

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around -13. Northwest wind 10 to 18 mph, with gusts as high as 25 mph.

    Low: -13 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 16. West wind around 10 mph becoming southwest in the afternoon.

    High: 16 °F

    Partly Sunny

Detailed Forecast

Christmas Day
A slight chance of flurries before noon. Patchy fog. Otherwise, cloudy, with a high near 19. East wind 6 to 16 mph becoming south in the afternoon. Winds could gust as high as 34 mph.
Tonight
Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 8. West wind 5 to 7 mph.
Friday
Areas of fog before 1pm. Otherwise, mostly cloudy, with a high near 21. West wind 6 to 8 mph becoming south in the afternoon.
Friday Night
A chance of freezing rain before 3am, then a chance of snow. Cloudy, with a low around 11. East wind 7 to 10 mph. Chance of precipitation is 30%.
Saturday
A 20 percent chance of snow. Mostly cloudy, with a high near 22. East wind 9 to 14 mph becoming northwest in the afternoon. Winds could gust as high as 21 mph.
Saturday Night
A 30 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around -4. Blustery, with a northwest wind 14 to 22 mph, with gusts as high as 31 mph.
Sunday
Mostly cloudy and cold, with a high near 1. Blustery, with a northwest wind 20 to 23 mph, with gusts as high as 33 mph.
Sunday Night
Partly cloudy, with a low around -13. Northwest wind 10 to 18 mph, with gusts as high as 25 mph.
Monday
Partly sunny, with a high near 16. West wind around 10 mph becoming southwest in the afternoon.
Monday Night
A chance of snow. Mostly cloudy, with a low around 4. Southwest wind 10 to 16 mph, with gusts as high as 24 mph.
Tuesday
Mostly cloudy, with a high near 28. Northwest wind 11 to 16 mph, with gusts as high as 25 mph.
Tuesday Night
A chance of snow. Mostly cloudy, with a low around -2. North wind 11 to 14 mph, with gusts as high as 21 mph.
Wednesday
Partly sunny and cold, with a high near 6. North wind 10 to 14 mph, with gusts as high as 21 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Saint John ND
 48.95°N 99.7°W
Last Update:
5:36 am CST Dec 25, 2025
Forecast Valid:
6am CST Dec 25, 2025-6pm CST Dec 31, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation