Heavy to Excessive Rains in The Four Corners Region and Midwest; Heat Persists in the South-Central U.S.

Repeated rounds of showers and thunderstorms could bring a flash flooding threat across the Four Corners region and from the mid-Mississippi Valley into the lower Great Lakes. Hot temperatures and high humidity will continue to challenge daily records from the Southern Plains to the lower Mississippi Valley. Read More >

Current conditions at

Decorah (KDEH)

Lat: 43.28°NLon: 91.73°WElev: 1158ft.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Decorah IA

  • Today

    Today: Mostly sunny, with a high near 74. East wind 5 to 7 mph.

    High: 74 °F

    Mostly Sunny

  • Tonight

    Tonight: Showers likely, mainly between midnight and 2am.  Mostly cloudy, with a low around 60. Light east wind.  Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 60 °F

    Mostly Cloudy
    then Showers
    Likely

  • Thursday

    Thursday: A 20 percent chance of showers before 8am.  Mostly cloudy, with a high near 75. Light northeast wind.

    High: 75 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Thursday Night

    Thursday Night: A 30 percent chance of showers after 3am.  Increasing clouds, with a low around 59. Calm wind.

    Low: 59 °F

    Mostly Cloudy
    then Chance
    Showers

  • Friday

    Friday: Showers, with thunderstorms also possible after 10am.  High near 71. Southeast wind 5 to 11 mph, with gusts as high as 20 mph.  Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

    High: 71 °F

    Showers

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall.  Low around 61. East wind 8 to 13 mph, with gusts as high as 22 mph.  Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

    Low: 61 °F

    Heavy Rain

  • Saturday

    Saturday: Showers likely, with thunderstorms also possible after 1pm.  Mostly cloudy, with a high near 74. Southeast wind around 8 mph becoming north in the afternoon.  Chance of precipitation is 60%.

    High: 74 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A 40 percent chance of showers and thunderstorms, mainly before 1am.  Mostly cloudy, with a low around 56. Northeast wind 6 to 9 mph.

    Low: 56 °F

    Chance
    Showers

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 1pm.  Mostly cloudy, with a high near 68. East wind around 9 mph.  Chance of precipitation is 50%.

    High: 68 °F

    Chance
    Showers

Detailed Forecast

Today
Mostly sunny, with a high near 74. East wind 5 to 7 mph.
Tonight
Showers likely, mainly between midnight and 2am. Mostly cloudy, with a low around 60. Light east wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
A 20 percent chance of showers before 8am. Mostly cloudy, with a high near 75. Light northeast wind.
Thursday Night
A 30 percent chance of showers after 3am. Increasing clouds, with a low around 59. Calm wind.
Friday
Showers, with thunderstorms also possible after 10am. High near 71. Southeast wind 5 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Friday Night
Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 61. East wind 8 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Saturday
Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 74. Southeast wind around 8 mph becoming north in the afternoon. Chance of precipitation is 60%.
Saturday Night
A 40 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 56. Northeast wind 6 to 9 mph.
Sunday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 68. East wind around 9 mph. Chance of precipitation is 50%.
Sunday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 54. East wind 5 to 8 mph.
Monday
A 40 percent chance of showers. Mostly cloudy, with a high near 68. Northeast wind around 7 mph.
Monday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 52. Northeast wind around 5 mph becoming calm in the evening.
Tuesday
A 20 percent chance of showers. Partly sunny, with a high near 71. Calm wind becoming east around 5 mph in the afternoon.
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ABOUT THIS FORECAST

 
Point Forecast:
Decorah IA
 43.3°N 91.79°W
10:41 am CDT Sep 16, 2026
11am CDT Sep 16, 2026-6pm CDT Sep 22, 2026
 
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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