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.

Fair

-15°F

-26°C

Humidity 63%
Wind Speed Calm
Barometer 30.71 in
Dewpoint -24°F (-31°C)
Visibility 10.00 mi
Last update 23 Jan 8:15 pm CST
Extended Forecast for

5 Miles E Saint Lucas IA

Cold Weather Advisory until January 24, 03:00am
Click here for hazard details and duration
Cold Weather Advisory
  •  
    Cold Weather Advisory until January 24, 03:00am

    NOW until 3:00am Sat

    Cold Weather Advisory

  • Tonight

    Low: -18 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny and cold, with a high near -1. Wind chill values as low as -17. Light and variable wind.

    High: -1 °F

    Cold

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around -8. Calm wind.

    Low: -8 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 6. Wind chill values as low as -14. Calm wind becoming north 5 to 8 mph in the morning.

    High: 6 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around -12. Northwest wind around 7 mph.

    Low: -12 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 10. Northwest wind 6 to 10 mph becoming southwest in the afternoon.

    High: 10 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 3. Southwest wind around 10 mph becoming northwest after midnight. Winds could gust as high as 18 mph.

    Low: 3 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 11. Northwest wind 8 to 13 mph, with gusts as high as 21 mph.

    High: 11 °F

    Mostly Sunny

Detailed Forecast

Tonight
Mostly cloudy, with a low around -18. Wind chill values as low as -27. Light and variable wind.
Saturday
Partly sunny and cold, with a high near -1. Wind chill values as low as -17. Light and variable wind.
Saturday Night
Mostly cloudy, with a low around -8. Calm wind.
Sunday
Mostly sunny, with a high near 6. Wind chill values as low as -14. Calm wind becoming north 5 to 8 mph in the morning.
Sunday Night
Partly cloudy, with a low around -12. Northwest wind around 7 mph.
Monday
Sunny, with a high near 10. Northwest wind 6 to 10 mph becoming southwest in the afternoon.
Monday Night
Partly cloudy, with a low around 3. Southwest wind around 10 mph becoming northwest after midnight. Winds could gust as high as 18 mph.
Tuesday
Mostly sunny, with a high near 11. Northwest wind 8 to 13 mph, with gusts as high as 21 mph.
Tuesday Night
Partly cloudy, with a low around -3. Northwest wind 5 to 7 mph.
Wednesday
Partly sunny, with a high near 10. Northwest wind 5 to 10 mph.
Wednesday Night
Partly cloudy, with a low around -6. Northwest wind 6 to 8 mph.
Thursday
Mostly sunny, with a high near 9. North wind 6 to 8 mph.
Thursday Night
Partly cloudy, with a low around -3. North wind around 6 mph.
Friday
Mostly sunny, with a high near 14. Northwest wind 5 to 8 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles E Saint Lucas IA
 43.06°N 91.83°W
Last Update:
1:41 pm CST Jan 23, 2026
Forecast Valid:
8pm CST Jan 23, 2026-6pm CST Jan 30, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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