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.

Fair

36°F

2°C

Humidity 89%
Wind Speed Calm
Barometer 29.64 in (1005.5 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Last update 25 Dec 3:52 pm CST
Extended Forecast for

Mc Intosh SD

Dense Fog Advisory December 25, 03:05pm until December 26, 09:00am
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory December 25, 03:05pm until December 26, 09:00am

    NOW until 9:00am Fri

    Dense Fog Advisory

  • Christmas Day

    High: 33 °F

    Mostly Cloudy

  • Tonight

    Tonight: Patchy fog between 9pm and 2am. Widespread freezing fog after 2am. Otherwise, mostly cloudy, with a low around 25. North northwest wind 5 to 9 mph becoming light after midnight.

    Low: 25 °F

    Freezing Fog
    and Patchy
    Fog

  • Friday

    Friday: Areas of fog before 1pm, then patchy fog after 5pm. Widespread freezing fog, mainly before 10am. Otherwise, partly sunny, with a high near 42. South wind 6 to 11 mph, with gusts as high as 20 mph.

    High: 42 °F

    Freezing Fog
    and Areas Fog

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 29. South wind around 10 mph becoming west after midnight.

    Low: 29 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 41. North northwest wind 9 to 18 mph.

    High: 41 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A slight chance of snow. Mostly cloudy, with a low around 2. Windy, with a north northwest wind 23 to 30 mph, with gusts as high as 39 mph. Chance of precipitation is 20%.

    Low: 2 °F

    Slight Chance
    Snow and
    Windy

  • Sunday

    Sunday: Mostly sunny and cold, with a high near 9. Windy, with a northwest wind 25 to 30 mph, with gusts as high as 43 mph.

    High: 9 °F

    Cold and
    Windy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 1. Blustery, with a north northwest wind 16 to 21 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 30 mph.

    Low: 1 °F

    Mostly Clear
    and Blustery
    then Mostly
    Clear

Detailed Forecast

Christmas Day
Mostly cloudy, with a steady temperature around 33. Northwest wind around 6 mph.
Tonight
Patchy fog between 9pm and 2am. Widespread freezing fog after 2am. Otherwise, mostly cloudy, with a low around 25. North northwest wind 5 to 9 mph becoming light after midnight.
Friday
Areas of fog before 1pm, then patchy fog after 5pm. Widespread freezing fog, mainly before 10am. Otherwise, partly sunny, with a high near 42. South wind 6 to 11 mph, with gusts as high as 20 mph.
Friday Night
Mostly cloudy, with a low around 29. South wind around 10 mph becoming west after midnight.
Saturday
Mostly sunny, with a high near 41. North northwest wind 9 to 18 mph.
Saturday Night
A slight chance of snow. Mostly cloudy, with a low around 2. Windy, with a north northwest wind 23 to 30 mph, with gusts as high as 39 mph. Chance of precipitation is 20%.
Sunday
Mostly sunny and cold, with a high near 9. Windy, with a northwest wind 25 to 30 mph, with gusts as high as 43 mph.
Sunday Night
Mostly clear, with a low around 1. Blustery, with a north northwest wind 16 to 21 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 30 mph.
Monday
Mostly sunny, with a high near 24. Southwest wind 8 to 11 mph.
Monday Night
Mostly cloudy, with a low around 18.
Tuesday
Partly sunny, with a high near 38.
Tuesday Night
A slight chance of snow. Mostly cloudy, with a low around 16. Chance of precipitation is 20%.
Wednesday
A slight chance of snow. Partly sunny, with a high near 25. Chance of precipitation is 20%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mc Intosh SD
 45.9°N 101.35°W (Elev. 2215 ft)
Last Update:
2:36 pm MST Dec 25, 2025
Forecast Valid:
3pm MST Dec 25, 2025-6pm MST Dec 31, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation