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

Mobridge, Mobridge Municipal Airport (KMBG)

Lat: 45.55°NLon: 100.41°WElev: 1713ft.

Fog/Mist

31°F

-1°C

Humidity 96%
Wind Speed N 6 mph
Barometer 29.71 in (1008.1 mb)
Dewpoint 30°F (-1°C)
Visibility 6.00 mi
Wind Chill25°F (-4°C)
Last update 25 Dec 8:52 pm CST
Extended Forecast for

Herreid SD

  • Tonight

    Tonight: A slight chance of freezing rain before 10pm. Patchy fog before 3am. Areas of freezing fog after 3am. Otherwise, mostly cloudy, with a low around 20. North northwest wind 3 to 6 mph. Chance of precipitation is 20%.

    Low: 20 °F

    Slight Chance
    Freezing Rain
    and Areas
    Freezing Fog

  • Friday

    Friday: Areas of fog after 11am. Areas of dense freezing fog before 11am. Otherwise, partly sunny, with a high near 38. Calm wind becoming south southeast 5 to 9 mph in the morning.

    High: 38 °F

    Areas Dense
    Freezing Fog
    and Areas Fog

  • Friday Night

    Friday Night: Patchy fog before 8pm. Otherwise, mostly cloudy, with a low around 25. Southeast wind 7 to 10 mph becoming west southwest after midnight.

    Low: 25 °F

    Patchy Fog
    then Partly
    Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 39. West southwest wind 6 to 13 mph becoming north northwest in the afternoon.

    High: 39 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A slight chance of snow after midnight. Mostly cloudy, with a low around 3. Blustery, with a north northwest wind 14 to 24 mph, with gusts as high as 34 mph. Chance of precipitation is 20%.

    Low: 3 °F

    Blustery.
    Mostly Cloudy
    then Slight
    Chance Snow

  • Sunday

    Sunday: Partly sunny and cold, with a high near 10. Blustery, with a northwest wind 23 to 26 mph, with gusts as high as 37 mph.

    High: 10 °F

    Cold and
    Blustery

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around -2. Blustery, with a northwest wind 16 to 21 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 31 mph.

    Low: -2 °F

    Partly Cloudy
    and Blustery
    then Mostly
    Clear

  • Monday

    Monday: Mostly sunny, with a high near 19. Northwest wind 7 to 9 mph becoming south southwest in the afternoon.

    High: 19 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 12. South southwest wind 7 to 10 mph becoming west after midnight.

    Low: 12 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A slight chance of freezing rain before 10pm. Patchy fog before 3am. Areas of freezing fog after 3am. Otherwise, mostly cloudy, with a low around 20. North northwest wind 3 to 6 mph. Chance of precipitation is 20%.
Friday
Areas of fog after 11am. Areas of dense freezing fog before 11am. Otherwise, partly sunny, with a high near 38. Calm wind becoming south southeast 5 to 9 mph in the morning.
Friday Night
Patchy fog before 8pm. Otherwise, mostly cloudy, with a low around 25. Southeast wind 7 to 10 mph becoming west southwest after midnight.
Saturday
Mostly sunny, with a high near 39. West southwest wind 6 to 13 mph becoming north northwest in the afternoon.
Saturday Night
A slight chance of snow after midnight. Mostly cloudy, with a low around 3. Blustery, with a north northwest wind 14 to 24 mph, with gusts as high as 34 mph. Chance of precipitation is 20%.
Sunday
Partly sunny and cold, with a high near 10. Blustery, with a northwest wind 23 to 26 mph, with gusts as high as 37 mph.
Sunday Night
Partly cloudy, with a low around -2. Blustery, with a northwest wind 16 to 21 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 31 mph.
Monday
Mostly sunny, with a high near 19. Northwest wind 7 to 9 mph becoming south southwest in the afternoon.
Monday Night
Mostly cloudy, with a low around 12. South southwest wind 7 to 10 mph becoming west after midnight.
Tuesday
Partly sunny, with a high near 36.
Tuesday Night
A slight chance of snow. Mostly cloudy, with a low around 12. Chance of precipitation is 20%.
Wednesday
A slight chance of snow. Mostly cloudy, with a high near 22. Chance of precipitation is 20%.
Wednesday Night
Mostly cloudy, with a low around 1.
New Year's Day
Mostly cloudy, with a high near 17.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Herreid SD
 45.83°N 100.06°W (Elev. 1696 ft)
Last Update:
9:36 pm CST Dec 25, 2025
Forecast Valid:
9pm CST Dec 25, 2025-6pm CST Jan 1, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation