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.

Partly Cloudy

28°F

-2°C

Humidity 86%
Wind Speed Calm
Barometer 30.14 in
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 13 Nov 5:55 am CST
Extended Forecast for

Postville IA

  • Today

    Today: Sunny, with a high near 56. Calm wind becoming south 5 to 8 mph in the morning.

    High: 56 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 34. South wind around 6 mph.

    Low: 34 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 63. Calm wind becoming south 5 to 9 mph in the morning.

    High: 63 °F

    Sunny

  • Friday Night

    Friday Night: Increasing clouds, with a low around 49. South wind 8 to 10 mph becoming west after midnight. Winds could gust as high as 18 mph.

    Low: 49 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Partly sunny, with a high near 60. Northwest wind 10 to 15 mph.

    High: 60 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 29. Northwest wind 7 to 11 mph, with gusts as high as 20 mph.

    Low: 29 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 47. Northwest wind 7 to 10 mph.

    High: 47 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 27. West wind around 6 mph becoming light and variable.

    Low: 27 °F

    Partly Cloudy

  • Monday

    Monday: A 20 percent chance of rain after noon. Mostly sunny, with a high near 45. East wind 5 to 9 mph.

    High: 45 °F

    Mostly Sunny
    then Slight
    Chance Rain

Detailed Forecast

Today
Sunny, with a high near 56. Calm wind becoming south 5 to 8 mph in the morning.
Tonight
Mostly clear, with a low around 34. South wind around 6 mph.
Friday
Sunny, with a high near 63. Calm wind becoming south 5 to 9 mph in the morning.
Friday Night
Increasing clouds, with a low around 49. South wind 8 to 10 mph becoming west after midnight. Winds could gust as high as 18 mph.
Saturday
Partly sunny, with a high near 60. Northwest wind 10 to 15 mph.
Saturday Night
Mostly clear, with a low around 29. Northwest wind 7 to 11 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 47. Northwest wind 7 to 10 mph.
Sunday Night
Partly cloudy, with a low around 27. West wind around 6 mph becoming light and variable.
Monday
A 20 percent chance of rain after noon. Mostly sunny, with a high near 45. East wind 5 to 9 mph.
Monday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 30. East wind around 8 mph.
Tuesday
A 20 percent chance of rain. Partly sunny, with a high near 44. Northeast wind around 7 mph.
Tuesday Night
Mostly cloudy, with a low around 29. Northeast wind 3 to 5 mph.
Wednesday
Partly sunny, with a high near 42. Light and variable wind becoming south 5 to 7 mph in the morning.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Postville IA
 43.08°N 91.56°W
Last Update:
3:16 am CST Nov 13, 2025
Forecast Valid:
6am CST Nov 13, 2025-6pm CST Nov 19, 2025
 
Forecast Discussion
 
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Additional Resources

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Link to Local Radar Data Link to Satellite Data

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