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.

Light Snow

32°F

0°C

Humidity 100%
Wind Speed NW 16 G 29 mph
Barometer 29.64 in
Dewpoint 32°F (0°C)
Visibility 4.00 mi
Wind Chill21°F (-6°C)
Last update 26 Nov 2:35 am CST
Extended Forecast for

2 Miles NNE Castalia IA

Wind Advisory until November 26, 12:00pm
Click here for hazard details and duration
Wind Advisory
  •  
    Wind Advisory until November 26, 12:00pm

    NOW until 12:00pm Wed

    Wind Advisory

  • Overnight

    Low: 26 °F

    Snow and
    Patchy
    Blowing Snow

  • Wednesday

    Wednesday: A 40 percent chance of snow, mainly before 9am. Patchy blowing snow before 7am. Mostly cloudy, with a high near 30. Windy, with a northwest wind 24 to 30 mph, with gusts as high as 47 mph. New snow accumulation of less than a half inch possible.

    High: 30 °F

    Chance Snow
    and Patchy
    Blowing Snow

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 20. Blustery, with a northwest wind 14 to 22 mph, with gusts as high as 33 mph.

    Low: 20 °F

    Mostly Cloudy
    and Blustery

  • Thanksgiving Day

    Thanksgiving Day: Partly sunny, with a high near 28. Northwest wind 11 to 15 mph, with gusts as high as 24 mph.

    High: 28 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 15. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 15 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 28. Northwest wind around 5 mph becoming calm in the morning.

    High: 28 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Snow, mainly after midnight. Low around 20. Calm wind becoming southeast 5 to 7 mph after midnight. Chance of precipitation is 90%.

    Low: 20 °F

    Chance Snow
    then Snow

  • Saturday

    Saturday: Snow. High near 29. East wind 7 to 9 mph. Chance of precipitation is 90%.

    High: 29 °F

    Snow

Detailed Forecast

Overnight
Snow. Patchy blowing snow. Low around 26. Windy, with a northwest wind 23 to 29 mph, with gusts as high as 48 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of less than a half inch possible.
Wednesday
A 40 percent chance of snow, mainly before 9am. Patchy blowing snow before 7am. Mostly cloudy, with a high near 30. Windy, with a northwest wind 24 to 30 mph, with gusts as high as 47 mph. New snow accumulation of less than a half inch possible.
Wednesday Night
Mostly cloudy, with a low around 20. Blustery, with a northwest wind 14 to 22 mph, with gusts as high as 33 mph.
Thanksgiving Day
Partly sunny, with a high near 28. Northwest wind 11 to 15 mph, with gusts as high as 24 mph.
Thursday Night
Mostly cloudy, with a low around 15. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Friday
Mostly sunny, with a high near 28. Northwest wind around 5 mph becoming calm in the morning.
Friday Night
Snow, mainly after midnight. Low around 20. Calm wind becoming southeast 5 to 7 mph after midnight. Chance of precipitation is 90%.
Saturday
Snow. High near 29. East wind 7 to 9 mph. Chance of precipitation is 90%.
Saturday Night
Snow likely, mainly before midnight. Cloudy, with a low around 14. Northeast wind 8 to 10 mph becoming northwest after midnight. Chance of precipitation is 60%.
Sunday
Partly sunny, with a high near 21. Northwest wind 7 to 10 mph.
Sunday Night
Mostly cloudy, with a low around -1. West wind 3 to 6 mph.
Monday
Partly sunny, with a high near 14. West wind 3 to 6 mph.
Monday Night
Mostly cloudy, with a low around -1. Southwest wind around 5 mph.
Tuesday
Mostly sunny, with a high near 16. Southwest wind 5 to 7 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNE Castalia IA
 43.15°N 91.65°W
Last Update:
2:26 am CST Nov 26, 2025
Forecast Valid:
2am CST Nov 26, 2025-6pm CST Dec 2, 2025
 
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Additional Resources

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Chance of Precipitation