National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Tracking Atmospheric River for the West Coast; Space Weather Storming Continues

An atmospheric river will bring threats of gusty to high winds and heavy rainfall to California mainly Thursday into Saturday which may bring areas of flooding and wind damage. Heavy snow will be possible over the Sierra Nevada mountains Thursday into Friday associated with the atmospheric river. Minor to severe geomagnetic storming (space weather) is expected to continue into early Thursday. Read More >

Current conditions at

Decorah (KDEH)

Lat: 43.28°NLon: 91.73°WElev: 1158ft.

Fair

41°F

5°C

Humidity 57%
Wind Speed Calm
Barometer 30.09 in
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Last update 12 Nov 9:35 pm CST
Extended Forecast for

2 Miles NNE West Union IA

  • Tonight

    Tonight: Mostly cloudy, with a low around 27. West wind 5 to 7 mph becoming calm after midnight.

    Low: 27 °F

    Mostly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 55. Calm wind becoming south 5 to 8 mph in the morning.

    High: 55 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 35. South wind around 6 mph.

    Low: 35 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 62. South wind 5 to 10 mph.

    High: 62 °F

    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 48. South wind 8 to 10 mph, with gusts as high as 18 mph.

    Low: 48 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 61. Southwest wind 10 to 15 mph becoming northwest in the morning.

    High: 61 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 31. Northwest wind around 11 mph, with gusts as high as 20 mph.

    Low: 31 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 47. Northwest wind 8 to 13 mph.

    High: 47 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 27. Northwest wind 5 to 7 mph becoming north after midnight.

    Low: 27 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 27. West wind 5 to 7 mph becoming calm after midnight.
Thursday
Sunny, with a high near 55. Calm wind becoming south 5 to 8 mph in the morning.
Thursday Night
Mostly clear, with a low around 35. South wind around 6 mph.
Friday
Sunny, with a high near 62. South wind 5 to 10 mph.
Friday Night
Mostly cloudy, with a low around 48. South wind 8 to 10 mph, with gusts as high as 18 mph.
Saturday
Partly sunny, with a high near 61. Southwest wind 10 to 15 mph becoming northwest in the morning.
Saturday Night
Mostly clear, with a low around 31. Northwest wind around 11 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 47. Northwest wind 8 to 13 mph.
Sunday Night
Mostly clear, with a low around 27. Northwest wind 5 to 7 mph becoming north after midnight.
Monday
A 30 percent chance of rain after noon. Mostly sunny, with a high near 44. East wind 7 to 11 mph.
Monday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 30. East wind around 10 mph.
Tuesday
Mostly sunny, with a high near 45. East wind 7 to 9 mph becoming northwest in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 27. North wind around 7 mph.
Wednesday
Partly sunny, with a high near 44. North wind around 8 mph becoming west in the morning.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNE West Union IA
 42.98°N 91.8°W
Last Update:
8:10 pm CST Nov 12, 2025
Forecast Valid:
9pm CST Nov 12, 2025-6pm CST Nov 19, 2025
 
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