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

75°F

24°C

Humidity 57%
Wind Speed N 9 mph
Barometer 30.08 in
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 27 Aug 10:55 am CDT
Extended Forecast for

Clermont IA

  • Today

    Today: Sunny, with a high near 81. Northwest wind around 5 mph.

    High: 81 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 55. Calm wind.

    Low: 55 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 82. Light and variable wind.

    High: 82 °F

    Sunny

  • Friday Night

    Friday Night: Increasing clouds, with a low around 63. Calm wind becoming south around 6 mph after midnight.

    Low: 63 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 80. South wind 7 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 80 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 68. South wind 11 to 14 mph, with gusts as high as 24 mph.

    Low: 68 °F

    Chance
    T-storms then
    Chance
    Showers

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88. South wind 10 to 13 mph, with gusts as high as 22 mph.

    High: 88 °F

    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: A 40 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 71. South wind 8 to 10 mph.

    Low: 71 °F

    Chance
    T-storms

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 87. Southwest wind 7 to 9 mph.

    High: 87 °F

    Slight Chance
    T-storms

Detailed Forecast

Today
Sunny, with a high near 81. Northwest wind around 5 mph.
Tonight
Mostly clear, with a low around 55. Calm wind.
Friday
Sunny, with a high near 82. Light and variable wind.
Friday Night
Increasing clouds, with a low around 63. Calm wind becoming south around 6 mph after midnight.
Saturday
Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 80. South wind 7 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A 30 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 68. South wind 11 to 14 mph, with gusts as high as 24 mph.
Sunday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88. South wind 10 to 13 mph, with gusts as high as 22 mph.
Sunday Night
A 40 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 71. South wind 8 to 10 mph.
Monday
A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 87. Southwest wind 7 to 9 mph.
Monday Night
A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 68. Southwest wind around 5 mph becoming calm after midnight.
Tuesday
A 30 percent chance of showers. Partly sunny, with a high near 85. Light and variable wind.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 66. Light and variable wind.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 85. Calm wind becoming south around 5 mph in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Clermont IA
 43°N 91.65°W
Last Update:
7:31 am CDT Aug 27, 2026
Forecast Valid:
11am CDT Aug 27, 2026-6pm CDT Sep 2, 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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation