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

61°F

16°C

Humidity 77%
Wind Speed NW 6 mph
Barometer 29.93 in
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 7 Oct 9:55 am CDT
Extended Forecast for

4 Miles NE Castalia IA

  • Today

    Today: Sunny, with a high near 73. Light northwest wind increasing to 5 to 10 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 73 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 49. West wind around 6 mph becoming calm in the evening.

    Low: 49 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Mostly sunny, with a high near 66. Calm wind.

    High: 66 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 48. Calm wind.

    Low: 48 °F

    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 71. Calm wind becoming south 5 to 9 mph in the morning.

    High: 71 °F

    Slight Chance
    Showers

  • Friday Night

    Friday Night: Mostly clear, with a low around 59. South wind 6 to 9 mph, with gusts as high as 21 mph.

    Low: 59 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 78. Breezy, with a south wind 10 to 16 mph, with gusts as high as 24 mph.

    High: 78 °F

    Sunny then
    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 60. South wind 8 to 14 mph, with gusts as high as 24 mph.

    Low: 60 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 76. South wind 6 to 9 mph.

    High: 76 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 73. Light northwest wind increasing to 5 to 10 mph in the afternoon. Winds could gust as high as 18 mph.
Tonight
Increasing clouds, with a low around 49. West wind around 6 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 66. Calm wind.
Thursday Night
Partly cloudy, with a low around 48. Calm wind.
Friday
A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 71. Calm wind becoming south 5 to 9 mph in the morning.
Friday Night
Mostly clear, with a low around 59. South wind 6 to 9 mph, with gusts as high as 21 mph.
Saturday
Sunny, with a high near 78. Breezy, with a south wind 10 to 16 mph, with gusts as high as 24 mph.
Saturday Night
Mostly clear, with a low around 60. South wind 8 to 14 mph, with gusts as high as 24 mph.
Sunday
Sunny, with a high near 76. South wind 6 to 9 mph.
Sunday Night
Partly cloudy, with a low around 57. South wind around 5 mph.
Columbus Day
A 30 percent chance of showers. Partly sunny, with a high near 70. Southwest wind 5 to 7 mph.
Monday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 50. North wind around 7 mph.
Tuesday
A 30 percent chance of showers. Partly sunny, with a high near 61. North wind 7 to 9 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NE Castalia IA
 43.17°N 91.62°W
Last Update:
9:06 am CDT Oct 7, 2026
Forecast Valid:
10am CDT Oct 7, 2026-6pm CDT Oct 13, 2026
 
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Additional Resources

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