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

39°F

4°C

Humidity 56%
Wind Speed Vrbl 6 mph
Barometer 30.29 in
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 20 Apr 8:35 am CDT
Extended Forecast for

6 Miles NNE Castalia IA

  • Today

    Today: Increasing clouds, with a high near 56. Southeast wind 5 to 13 mph becoming south in the afternoon.

    High: 56 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Partly cloudy, with a low around 44. South wind 9 to 13 mph, with gusts as high as 22 mph.

    Low: 44 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 73. Southwest wind 6 to 10 mph becoming northwest in the afternoon.

    High: 73 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 44. Light and variable wind.

    Low: 44 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 75. Light east wind becoming southeast 6 to 11 mph in the morning. Winds could gust as high as 20 mph.

    High: 75 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 59. South wind 10 to 13 mph, with gusts as high as 21 mph.

    Low: 59 °F

    Partly Cloudy

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 73. Breezy, with a south wind 14 to 21 mph, with gusts as high as 32 mph.

    High: 73 °F

    Breezy.
    Partly Sunny
    then Chance
    Showers

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm before 1am, then a chance of showers. Low around 50. Breezy, with a south wind 14 to 20 mph, with gusts as high as 29 mph. Chance of precipitation is 80%.

    Low: 50 °F

    Showers and
    Breezy

  • Friday

    Friday: A 20 percent chance of showers before 1pm. Partly sunny, with a high near 61. Northwest wind 11 to 14 mph.

    High: 61 °F

    Slight Chance
    Showers

Detailed Forecast

Today
Increasing clouds, with a high near 56. Southeast wind 5 to 13 mph becoming south in the afternoon.
Tonight
Partly cloudy, with a low around 44. South wind 9 to 13 mph, with gusts as high as 22 mph.
Tuesday
Sunny, with a high near 73. Southwest wind 6 to 10 mph becoming northwest in the afternoon.
Tuesday Night
Clear, with a low around 44. Light and variable wind.
Wednesday
Sunny, with a high near 75. Light east wind becoming southeast 6 to 11 mph in the morning. Winds could gust as high as 20 mph.
Wednesday Night
Partly cloudy, with a low around 59. South wind 10 to 13 mph, with gusts as high as 21 mph.
Thursday
A 40 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 73. Breezy, with a south wind 14 to 21 mph, with gusts as high as 32 mph.
Thursday Night
Showers and possibly a thunderstorm before 1am, then a chance of showers. Low around 50. Breezy, with a south wind 14 to 20 mph, with gusts as high as 29 mph. Chance of precipitation is 80%.
Friday
A 20 percent chance of showers before 1pm. Partly sunny, with a high near 61. Northwest wind 11 to 14 mph.
Friday Night
Partly cloudy, with a low around 39. Northwest wind 7 to 10 mph.
Saturday
Mostly sunny, with a high near 59. Northwest wind 7 to 10 mph, with gusts as high as 18 mph.
Saturday Night
Partly cloudy, with a low around 39. North wind 6 to 8 mph.
Sunday
A 20 percent chance of showers. Mostly sunny, with a high near 58. North wind 6 to 9 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles NNE Castalia IA
 43.19°N 91.62°W
Last Update:
7:11 am CDT Apr 20, 2026
Forecast Valid:
8am CDT Apr 20, 2026-6pm CDT Apr 26, 2026
 
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Additional Resources

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Chance of Precipitation