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.

Overcast

9°F

-13°C

Humidity 92%
Wind Speed W 13 G 20 mph
Barometer 30.06 in
Dewpoint 7°F (-14°C)
Visibility 10.00 mi
Wind Chill-7°F (-22°C)
Last update 17 Jan 6:35 pm CST
Extended Forecast for

5 Miles SSE Decorah IA

Cold Weather Advisory January 18, 11:00pm until January 19, 12:00pm
Click here for hazard details and duration
Cold Weather Advisory

  • Tonight

    Tonight: Mostly cloudy, with a low around 1. Wind chill values as low as -14. Northwest wind 8 to 14 mph becoming southwest after midnight. Winds could gust as high as 23 mph.

    Low: 1 °F

    Mostly Cloudy

  • Sunday

    Sunday: Snow, mainly after noon. High near 17. Wind chill values as low as -10. Blustery, with a southwest wind 8 to 16 mph becoming northwest in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    High: 17 °F

    Chance Snow
    then Snow and
    Blustery

  • Sunday Night

    Sunday Night: A 20 percent chance of snow before 7pm. Patchy blowing snow between 8pm and 4am. Cloudy, then gradually becoming partly cloudy, with a low around -6. Wind chill values as low as -28. Blustery, with a northwest wind 17 to 22 mph, with gusts as high as 36 mph.

    Low: -6 °F

    Slight Chance
    Snow and
    Patchy
    Blowing Snow

  • M.L.King Day

    M.L.King Day: Mostly sunny and cold, with a high near 2. Wind chill values as low as -29. Blustery, with a northwest wind 9 to 18 mph, with gusts as high as 32 mph.

    High: 2 °F

    Mostly Sunny
    and Blustery
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around -4. Southwest wind 6 to 8 mph.

    Low: -4 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 17. Southwest wind 6 to 8 mph.

    High: 17 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 40 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 11. South wind 6 to 9 mph becoming west after midnight.

    Low: 11 °F

    Chance Snow

  • Wednesday

    Wednesday: Partly sunny, with a high near 19. West wind 9 to 14 mph, with gusts as high as 22 mph.

    High: 19 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 3. West wind 7 to 10 mph, with gusts as high as 20 mph.

    Low: 3 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 1. Wind chill values as low as -14. Northwest wind 8 to 14 mph becoming southwest after midnight. Winds could gust as high as 23 mph.
Sunday
Snow, mainly after noon. High near 17. Wind chill values as low as -10. Blustery, with a southwest wind 8 to 16 mph becoming northwest in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Sunday Night
A 20 percent chance of snow before 7pm. Patchy blowing snow between 8pm and 4am. Cloudy, then gradually becoming partly cloudy, with a low around -6. Wind chill values as low as -28. Blustery, with a northwest wind 17 to 22 mph, with gusts as high as 36 mph.
M.L.King Day
Mostly sunny and cold, with a high near 2. Wind chill values as low as -29. Blustery, with a northwest wind 9 to 18 mph, with gusts as high as 32 mph.
Monday Night
Partly cloudy, with a low around -4. Southwest wind 6 to 8 mph.
Tuesday
Mostly sunny, with a high near 17. Southwest wind 6 to 8 mph.
Tuesday Night
A 40 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 11. South wind 6 to 9 mph becoming west after midnight.
Wednesday
Partly sunny, with a high near 19. West wind 9 to 14 mph, with gusts as high as 22 mph.
Wednesday Night
Partly cloudy, with a low around 3. West wind 7 to 10 mph, with gusts as high as 20 mph.
Thursday
Mostly sunny, with a high near 17. West wind 7 to 9 mph.
Thursday Night
Mostly cloudy, with a low around 5. Southwest wind around 7 mph.
Friday
Partly sunny, with a high near 15. North wind 7 to 9 mph.
Friday Night
Mostly cloudy, with a low around -5. North wind around 8 mph.
Saturday
A 20 percent chance of snow. Partly sunny and cold, with a high near 5. North wind around 9 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSE Decorah IA
 43.24°N 91.76°W
Last Update:
6:21 pm CST Jan 17, 2026
Forecast Valid:
6pm CST Jan 17, 2026-6pm CST Jan 24, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation