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Hazardous Weather Conditions

Current conditions at

Decorah (KDEH)

Lat: 43.28°NLon: 91.73°WElev: 1158ft.

Mostly Cloudy

79°F

26°C

Humidity 84%
Wind Speed Calm
Barometer 29.96 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 18 Aug 3:35 pm CDT
Extended Forecast for

5 Miles SSE Decorah IA

Flood Warning August 18, 03:57pm until August 18, 06:00pm
Click here for hazard details and duration
Flood Warning
  •  
    Flood Warning August 18, 03:57pm until August 18, 06:00pm

    NOW until 6:00pm Mon

    Flood Warning

  • This Afternoon

    High: 82 °F

    T-storms
    Likely

  • Tonight

    Tonight: Showers and thunderstorms, mainly before 8pm. Patchy fog after 1am. Low around 69. Light northwest wind. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 69 °F

    T-storms then
    Patchy Fog

  • Tuesday

    Tuesday: Areas of fog before 10am. Otherwise, partly sunny, with a high near 80. North wind 3 to 6 mph.

    High: 80 °F

    Areas Fog
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 64. North wind 3 to 5 mph.

    Low: 64 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 79. Northeast wind 3 to 6 mph.

    High: 79 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 59. Light east wind.

    Low: 59 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 78. Calm wind.

    High: 78 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 59. Calm wind.

    Low: 59 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Showers and thunderstorms likely, mainly after 5pm. Partly sunny, with a high near 82. West wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms, mainly before 8pm. Patchy fog after 1am. Low around 69. Light northwest wind. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
Areas of fog before 10am. Otherwise, partly sunny, with a high near 80. North wind 3 to 6 mph.
Tuesday Night
Partly cloudy, with a low around 64. North wind 3 to 5 mph.
Wednesday
Mostly sunny, with a high near 79. Northeast wind 3 to 6 mph.
Wednesday Night
Mostly clear, with a low around 59. Light east wind.
Thursday
Mostly sunny, with a high near 78. Calm wind.
Thursday Night
Mostly clear, with a low around 59. Calm wind.
Friday
A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 79. Calm wind becoming west around 6 mph in the morning.
Friday Night
Partly cloudy, with a low around 56. Northwest wind around 6 mph.
Saturday
Sunny, with a high near 72. Northwest wind 6 to 10 mph.
Saturday Night
Mostly clear, with a low around 51. Northwest wind around 7 mph.
Sunday
Sunny, with a high near 68. Northwest wind 6 to 9 mph.
Sunday Night
Mostly clear, with a low around 47. Northwest wind 3 to 6 mph.
Monday
Mostly sunny, with a high near 68. Northwest wind 3 to 6 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSE Decorah IA
 43.23°N 91.73°W
Last Update:
3:30 pm CDT Aug 18, 2025
Forecast Valid:
3pm CDT Aug 18, 2025-6pm CDT Aug 25, 2025
 
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