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.

Overcast

55°F

13°C

Humidity 94%
Wind Speed N 9 mph
Barometer 30.09 in
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Wind Chill53°F (12°C)
Last update 17 Jul 7:55 am CDT
Extended Forecast for

2 Miles NNE Castalia IA

  • Today

    Today: Partly sunny, with a high near 72. North wind 7 to 9 mph.

    High: 72 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 55. Northeast wind around 5 mph becoming light and variable in the evening.

    Low: 55 °F

    Mostly Clear

  • Friday

    Friday: A 20 percent chance of showers after 1pm. Increasing clouds, with a high near 75. Southeast wind 5 to 7 mph.

    High: 75 °F

    Sunny then
    Slight Chance
    Showers

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 66. South wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 66 °F

    Showers
    Likely

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 81. South wind around 6 mph becoming northwest in the afternoon.

    High: 81 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 63. Northeast wind 3 to 5 mph.

    Low: 63 °F

    Slight Chance
    T-storms

  • Sunday

    Sunday: A 30 percent chance of showers, mainly after 1pm. Partly sunny, with a high near 77. East wind around 7 mph.

    High: 77 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers, with thunderstorms also possible after 1am. Mostly cloudy, with a low around 63. East wind around 7 mph. Chance of precipitation is 40%.

    Low: 63 °F

    Chance
    Showers then
    Chance
    T-storms

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 80. Southeast wind around 8 mph.

    High: 80 °F

    Chance
    T-storms

Detailed Forecast

Today
Partly sunny, with a high near 72. North wind 7 to 9 mph.
Tonight
Mostly clear, with a low around 55. Northeast wind around 5 mph becoming light and variable in the evening.
Friday
A 20 percent chance of showers after 1pm. Increasing clouds, with a high near 75. Southeast wind 5 to 7 mph.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 66. South wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
A 30 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 81. South wind around 6 mph becoming northwest in the afternoon.
Saturday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 63. Northeast wind 3 to 5 mph.
Sunday
A 30 percent chance of showers, mainly after 1pm. Partly sunny, with a high near 77. East wind around 7 mph.
Sunday Night
A chance of showers, with thunderstorms also possible after 1am. Mostly cloudy, with a low around 63. East wind around 7 mph. Chance of precipitation is 40%.
Monday
A 30 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 80. Southeast wind around 8 mph.
Monday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 69. Southeast wind around 6 mph.
Tuesday
Partly sunny, with a high near 87. South wind around 6 mph.
Tuesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71. South wind 3 to 5 mph.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87. South wind 5 to 7 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNE Castalia IA
 43.15°N 91.65°W
Last Update:
5:13 am CDT Jul 17, 2025
Forecast Valid:
8am CDT Jul 17, 2025-6pm CDT Jul 23, 2025
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation