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

Shenandoah Municipal (KSDA)

Lat: 40.75°NLon: 95.42°WElev: 971ft.

Fog/Mist

50°F

10°C

Humidity 100%
Wind Speed W 12 mph
Barometer 29.72 in
Dewpoint 50°F (10°C)
Visibility 6.00 mi
Wind Chill45°F (7°C)
Last update 25 Dec 11:55 pm CST
Extended Forecast for

Shenandoah Municipal IA

Dense Fog Advisory December 26, 12:15am until December 26, 06:00am
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory December 26, 12:15am until December 26, 06:00am

    NOW until 6:00am Fri

    Dense Fog Advisory

  • Overnight

    Low: 41 °F

    Dense Fog

  • Friday

    Friday: Mostly sunny, with a high near 59. North northwest wind 5 to 7 mph becoming calm in the afternoon.

    High: 59 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 40. Calm wind becoming southeast around 6 mph after midnight.

    Low: 40 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 59. South wind 5 to 10 mph, with gusts as high as 16 mph.

    High: 59 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 32. Light and variable wind becoming north 8 to 13 mph after midnight. Winds could gust as high as 21 mph.

    Low: 32 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of rain and snow before noon. Mostly cloudy, with a high near 37. Breezy, with a north northwest wind 14 to 22 mph, with gusts as high as 34 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 37 °F

    Breezy.
    Chance
    Rain/Snow
    then Mostly
    Cloudy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 11. Blustery, with a north northwest wind 16 to 18 mph, with gusts as high as 30 mph.

    Low: 11 °F

    Mostly Cloudy
    and Blustery
    then Mostly
    Clear

  • Monday

    Monday: Sunny, with a high near 24. North northwest wind 9 to 17 mph, with gusts as high as 26 mph.

    High: 24 °F

    Sunny

Detailed Forecast

Overnight
Widespread dense fog, mainly before 1am. Otherwise, mostly cloudy, with a low around 41. Calm wind becoming west around 6 mph.
Friday
Mostly sunny, with a high near 59. North northwest wind 5 to 7 mph becoming calm in the afternoon.
Friday Night
Partly cloudy, with a low around 40. Calm wind becoming southeast around 6 mph after midnight.
Saturday
Partly sunny, with a high near 59. South wind 5 to 10 mph, with gusts as high as 16 mph.
Saturday Night
Mostly cloudy, with a low around 32. Light and variable wind becoming north 8 to 13 mph after midnight. Winds could gust as high as 21 mph.
Sunday
A chance of rain and snow before noon. Mostly cloudy, with a high near 37. Breezy, with a north northwest wind 14 to 22 mph, with gusts as high as 34 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
Partly cloudy, with a low around 11. Blustery, with a north northwest wind 16 to 18 mph, with gusts as high as 30 mph.
Monday
Sunny, with a high near 24. North northwest wind 9 to 17 mph, with gusts as high as 26 mph.
Monday Night
Mostly clear, with a low around 12. Northwest wind 5 to 7 mph becoming light and variable.
Tuesday
Mostly sunny, with a high near 43. Southwest wind 5 to 11 mph, with gusts as high as 18 mph.
Tuesday Night
Partly cloudy, with a low around 22. West northwest wind around 6 mph.
Wednesday
Mostly sunny, with a high near 41. West northwest wind 5 to 10 mph becoming south southwest in the afternoon. Winds could gust as high as 16 mph.
Wednesday Night
Mostly clear, with a low around 19. South wind 5 to 7 mph becoming north after midnight.
New Year's Day
Mostly sunny, with a high near 36. North northeast wind 5 to 9 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Shenandoah Municipal IA
 40.76°N 95.41°W (Elev. 968 ft)
Last Update:
12:05 am CST Dec 26, 2025
Forecast Valid:
12am CST Dec 26, 2025-6pm CST Jan 1, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation