National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Decorah (KDEH)

Lat: 43.28°NLon: 91.73°WElev: 1158ft.

Fog/Mist

41°F

5°C

Humidity 100%
Wind Speed Vrbl 5 mph
Barometer 30.04 in
Dewpoint 41°F (5°C)
Visibility 2.50 mi
Wind Chill38°F (3°C)
Last update 20 Nov 3:35 am CST
Extended Forecast for

3 Miles ENE Castalia IA

  • Overnight

    Overnight: A slight chance of drizzle before 4am. Patchy fog. Otherwise, cloudy, with a steady temperature around 41. Light and variable wind.

    Low: 41 °F

    Slight Chance
    Drizzle and
    Patchy Fog

  • Thursday

    Thursday: Patchy fog before 8am. Otherwise, cloudy, with a high near 48. South wind 5 to 7 mph becoming west in the afternoon.

    High: 48 °F

    Patchy Fog
    then Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 30. Calm wind.

    Low: 30 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 48. Calm wind becoming north around 5 mph.

    High: 48 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 26. Calm wind.

    Low: 26 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 50. Calm wind becoming southwest 5 to 9 mph in the morning.

    High: 50 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 35. West wind around 6 mph.

    Low: 35 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 54. West wind 5 to 7 mph.

    High: 54 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 30. Light and variable wind.

    Low: 30 °F

    Partly Cloudy

Detailed Forecast

Overnight
A slight chance of drizzle before 4am. Patchy fog. Otherwise, cloudy, with a steady temperature around 41. Light and variable wind.
Thursday
Patchy fog before 8am. Otherwise, cloudy, with a high near 48. South wind 5 to 7 mph becoming west in the afternoon.
Thursday Night
Mostly cloudy, with a low around 30. Calm wind.
Friday
Partly sunny, with a high near 48. Calm wind becoming north around 5 mph.
Friday Night
Partly cloudy, with a low around 26. Calm wind.
Saturday
Mostly sunny, with a high near 50. Calm wind becoming southwest 5 to 9 mph in the morning.
Saturday Night
Mostly clear, with a low around 35. West wind around 6 mph.
Sunday
Sunny, with a high near 54. West wind 5 to 7 mph.
Sunday Night
Partly cloudy, with a low around 30. Light and variable wind.
Monday
A 20 percent chance of rain after noon. Partly sunny, with a high near 52. Calm wind becoming southeast 5 to 7 mph in the morning.
Monday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 38. Southeast wind around 5 mph.
Tuesday
A 30 percent chance of rain. Mostly cloudy, with a high near 49. East wind 5 to 9 mph becoming west in the afternoon.
Tuesday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 28. West wind 7 to 9 mph.
Wednesday
Partly sunny, with a high near 35. West wind 9 to 14 mph.
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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:
3:40 am CST Nov 20, 2025
Forecast Valid:
3am CST Nov 20, 2025-6pm CST Nov 26, 2025
 
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Additional Resources

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Chance of Precipitation