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

Decorah (KDEH)

Lat: 43.28°NLon: 91.73°WElev: 1158ft.

Fair

N/A

Humidity NA
Wind Speed Vrbl 5 G 15 mph
Barometer 29.98 in
Dewpoint N/A
Visibility 10.00 mi
Last update 3 Aug 10:55 am CDT
Extended Forecast for

5 Miles NW West Union IA

  • Today

    Today: Sunny, with a high near 80. South wind 8 to 10 mph.

    High: 80 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 64. South wind 8 to 11 mph, with gusts as high as 20 mph.

    Low: 64 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms, mainly after 4pm. Partly sunny, with a high near 78. South wind 7 to 11 mph becoming northwest in the afternoon.

    High: 78 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely before 4am, then a chance of showers. Mostly cloudy, with a low around 59. North wind 3 to 6 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 59 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A 30 percent chance of showers, mainly after 1pm. Partly sunny, with a high near 75. Light north wind.

    High: 75 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers before 1am. Partly cloudy, with a low around 55. Calm wind.

    Low: 55 °F

    Slight Chance
    Showers

  • Thursday

    Thursday: Sunny, with a high near 78. Light and variable wind.

    High: 78 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 59. Calm wind becoming southwest around 5 mph.

    Low: 59 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 80. South wind 3 to 8 mph.

    High: 80 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 80. South wind 8 to 10 mph.
Tonight
Mostly clear, with a low around 64. South wind 8 to 11 mph, with gusts as high as 20 mph.
Tuesday
A 30 percent chance of showers and thunderstorms, mainly after 4pm. Partly sunny, with a high near 78. South wind 7 to 11 mph becoming northwest in the afternoon.
Tuesday Night
Showers and thunderstorms likely before 4am, then a chance of showers. Mostly cloudy, with a low around 59. North wind 3 to 6 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
A 30 percent chance of showers, mainly after 1pm. Partly sunny, with a high near 75. Light north wind.
Wednesday Night
A 20 percent chance of showers before 1am. Partly cloudy, with a low around 55. Calm wind.
Thursday
Sunny, with a high near 78. Light and variable wind.
Thursday Night
Mostly clear, with a low around 59. Calm wind becoming southwest around 5 mph.
Friday
Sunny, with a high near 80. South wind 3 to 8 mph.
Friday Night
Mostly clear, with a low around 63. South wind 5 to 7 mph.
Saturday
Mostly sunny, with a high near 82. South wind 7 to 9 mph.
Saturday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 67. South wind 8 to 10 mph.
Sunday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 84. Southwest wind around 11 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NW West Union IA
 43°N 91.86°W
Last Update:
9:21 am CDT Aug 3, 2026
Forecast Valid:
11am CDT Aug 3, 2026-6pm CDT Aug 9, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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