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Hazardous Weather Conditions

Current conditions at

Decorah (KDEH)

Lat: 43.28°NLon: 91.73°WElev: 1158ft.

Fair

39°F

4°C

Humidity 87%
Wind Speed Calm
Barometer 30.13 in
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Last update 3 Mar 7:35 pm CST
Extended Forecast for

3 Miles ESE Decorah IA

Dense Fog Advisory March 3, 10:00pm until March 4, 10:00am
Click here for hazard details and duration
Dense Fog Advisory

  • Tonight

    Tonight: Widespread dense fog, mainly after 1am. Otherwise, partly cloudy, with a low around 27. Calm wind.

    Low: 27 °F

    Dense Fog

  • Wednesday

    Wednesday: Widespread dense fog, mainly before 10am. Otherwise, mostly sunny, with a high near 48. Calm wind becoming southeast around 6 mph.

    High: 48 °F

    Dense Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers after midnight. Mostly cloudy, with a low around 39. Calm wind.

    Low: 39 °F

    Mostly Cloudy
    then Chance
    Showers

  • Thursday

    Thursday: A 30 percent chance of showers before noon. Mostly cloudy, with a high near 51. Calm wind becoming east around 5 mph.

    High: 51 °F

    Chance
    Showers then
    Mostly Cloudy

  • Thursday Night

    Thursday Night: A chance of showers between midnight and 3am, then a chance of showers and thunderstorms after 3am. Mostly cloudy, with a low around 43. Southeast wind 3 to 8 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 43 °F

    Mostly Cloudy
    then Chance
    Showers

  • Friday

    Friday: Showers and possibly a thunderstorm before 9am, then showers between 9am and noon, then showers and possibly a thunderstorm after noon. High near 61. South wind 8 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 61 °F

    Showers

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm before midnight, then a chance of showers. Mostly cloudy, with a low around 39. South wind around 10 mph becoming west after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 70%.

    Low: 39 °F

    Showers
    Likely then
    Chance
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 48. Northwest wind 8 to 10 mph, with gusts as high as 18 mph.

    High: 48 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 36. Southwest wind 7 to 10 mph, with gusts as high as 18 mph.

    Low: 36 °F

    Mostly Clear

Detailed Forecast

Tonight
Widespread dense fog, mainly after 1am. Otherwise, partly cloudy, with a low around 27. Calm wind.
Wednesday
Widespread dense fog, mainly before 10am. Otherwise, mostly sunny, with a high near 48. Calm wind becoming southeast around 6 mph.
Wednesday Night
A 30 percent chance of showers after midnight. Mostly cloudy, with a low around 39. Calm wind.
Thursday
A 30 percent chance of showers before noon. Mostly cloudy, with a high near 51. Calm wind becoming east around 5 mph.
Thursday Night
A chance of showers between midnight and 3am, then a chance of showers and thunderstorms after 3am. Mostly cloudy, with a low around 43. Southeast wind 3 to 8 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
Showers and possibly a thunderstorm before 9am, then showers between 9am and noon, then showers and possibly a thunderstorm after noon. High near 61. South wind 8 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Friday Night
Showers likely and possibly a thunderstorm before midnight, then a chance of showers. Mostly cloudy, with a low around 39. South wind around 10 mph becoming west after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 70%.
Saturday
Mostly sunny, with a high near 48. Northwest wind 8 to 10 mph, with gusts as high as 18 mph.
Saturday Night
Mostly clear, with a low around 36. Southwest wind 7 to 10 mph, with gusts as high as 18 mph.
Sunday
Mostly sunny, with a high near 58. Southwest wind 9 to 13 mph, with gusts as high as 21 mph.
Sunday Night
Partly cloudy, with a low around 39. West wind 6 to 8 mph.
Monday
Mostly sunny, with a high near 61. South wind 6 to 11 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 45. Southwest wind around 10 mph, with gusts as high as 18 mph.
Tuesday
A 40 percent chance of showers. Partly sunny, with a high near 58. Southwest wind 9 to 13 mph becoming north in the afternoon. Winds could gust as high as 21 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Decorah IA
 43.28°N 91.73°W
Last Update:
6:26 pm CST Mar 3, 2026
Forecast Valid:
7pm CST Mar 3, 2026-6pm CDT Mar 10, 2026
 
Forecast Discussion
 
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Additional Resources

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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