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.

A Few Clouds

54°F

12°C

Humidity 63%
Wind Speed Calm
Barometer 29.99 in
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 8 Oct 12:55 am CDT
Extended Forecast for

3 Miles ENE Castalia IA

  • Overnight

    Overnight: Mostly cloudy, with a low around 49. Light northwest wind.

    Low: 49 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 68. Calm wind.

    High: 68 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 50. Calm wind.

    Low: 50 °F

    Partly Cloudy

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms, mainly before 1pm. Mostly sunny, with a high near 72. Calm wind becoming southeast 5 to 9 mph in the morning. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 72 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Mostly clear, with a low around 61. South wind 7 to 9 mph, with gusts as high as 20 mph.

    Low: 61 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 79. South wind 11 to 15 mph, with gusts as high as 23 mph.

    High: 79 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 59. South wind 7 to 13 mph, with gusts as high as 23 mph.

    Low: 59 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 76. South wind 6 to 8 mph.

    High: 76 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 58. South wind 3 to 5 mph.

    Low: 58 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 49. Light northwest wind.
Thursday
Mostly sunny, with a high near 68. Calm wind.
Thursday Night
Partly cloudy, with a low around 50. Calm wind.
Friday
A 50 percent chance of showers and thunderstorms, mainly before 1pm. Mostly sunny, with a high near 72. Calm wind becoming southeast 5 to 9 mph in the morning. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
Mostly clear, with a low around 61. South wind 7 to 9 mph, with gusts as high as 20 mph.
Saturday
Sunny, with a high near 79. South wind 11 to 15 mph, with gusts as high as 23 mph.
Saturday Night
Mostly clear, with a low around 59. South wind 7 to 13 mph, with gusts as high as 23 mph.
Sunday
Sunny, with a high near 76. South wind 6 to 8 mph.
Sunday Night
Partly cloudy, with a low around 58. South wind 3 to 5 mph.
Columbus Day
A 30 percent chance of showers, mainly after 1pm. Partly sunny, with a high near 72. Southwest wind 5 to 8 mph becoming northwest in the afternoon.
Monday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 50. Northwest wind 7 to 9 mph.
Tuesday
Mostly sunny, with a high near 60. North wind 7 to 9 mph.
Tuesday Night
Partly cloudy, with a low around 44. Calm wind.
Wednesday
A 20 percent chance of showers. Mostly sunny, with a high near 61. Calm wind becoming south around 6 mph in the afternoon.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ENE Castalia IA
 43.12°N 91.62°W
Last Update:
11:06 pm CDT Oct 7, 2026
Forecast Valid:
1am CDT Oct 8, 2026-6pm CDT Oct 14, 2026
 
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Additional Resources

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