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

39°F

4°C

Humidity 100%
Wind Speed N 6 mph
Barometer 29.56 in
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 2 Apr 6:55 pm CDT
Extended Forecast for

Saint Lucas IA

  • Tonight

    Tonight: A 30 percent chance of showers before 8pm. Mostly cloudy, with a low around 33. West wind 7 to 11 mph, with gusts as high as 22 mph.

    Low: 33 °F

    Chance
    Showers then
    Mostly Cloudy

  • Friday

    Friday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. High near 48. North wind 5 to 14 mph becoming east in the morning. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 48 °F

    Mostly Cloudy
    then Showers

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm before 1am, then a chance of showers. Low around 36. Breezy, with an east wind 11 to 16 mph becoming west after midnight. Winds could gust as high as 29 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 36 °F

    Showers and
    Breezy

  • Saturday

    Saturday: A 30 percent chance of showers, mainly after 1pm. Mostly cloudy, with a high near 44. Breezy, with a west wind 15 to 23 mph.

    High: 44 °F

    Chance
    Showers and
    Breezy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 30. Breezy, with a west wind 14 to 20 mph, with gusts as high as 29 mph.

    Low: 30 °F

    Mostly Cloudy
    and Breezy

  • Sunday

    Sunday: Mostly sunny, with a high near 49. Northwest wind around 14 mph.

    High: 49 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 32. Northwest wind around 10 mph.

    Low: 32 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 46. Breezy, with a northwest wind 10 to 17 mph.

    High: 46 °F

    Partly Sunny
    then Mostly
    Sunny and
    Breezy

  • Monday Night

    Monday Night: Mostly clear, with a low around 23. North wind 8 to 15 mph.

    Low: 23 °F

    Mostly Clear

Detailed Forecast

Tonight
A 30 percent chance of showers before 8pm. Mostly cloudy, with a low around 33. West wind 7 to 11 mph, with gusts as high as 22 mph.
Friday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. High near 48. North wind 5 to 14 mph becoming east in the morning. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
Showers and possibly a thunderstorm before 1am, then a chance of showers. Low around 36. Breezy, with an east wind 11 to 16 mph becoming west after midnight. Winds could gust as high as 29 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday
A 30 percent chance of showers, mainly after 1pm. Mostly cloudy, with a high near 44. Breezy, with a west wind 15 to 23 mph.
Saturday Night
Mostly cloudy, with a low around 30. Breezy, with a west wind 14 to 20 mph, with gusts as high as 29 mph.
Sunday
Mostly sunny, with a high near 49. Northwest wind around 14 mph.
Sunday Night
Partly cloudy, with a low around 32. Northwest wind around 10 mph.
Monday
Mostly sunny, with a high near 46. Breezy, with a northwest wind 10 to 17 mph.
Monday Night
Mostly clear, with a low around 23. North wind 8 to 15 mph.
Tuesday
Mostly sunny, with a high near 44. Northeast wind 7 to 11 mph becoming southeast in the afternoon.
Tuesday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 33. Breezy, with a southeast wind 11 to 18 mph. Chance of precipitation is 30%.
Wednesday
A 40 percent chance of showers. Partly sunny, with a high near 61. Breezy, with a south wind 20 to 23 mph.
Wednesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 41. Breezy, with a southwest wind 13 to 16 mph, with gusts as high as 25 mph.
Thursday
A 40 percent chance of showers. Mostly cloudy, with a high near 56. Northwest wind 11 to 15 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Lucas IA
 43.06°N 91.92°W
Last Update:
6:16 pm CDT Apr 2, 2026
Forecast Valid:
7pm CDT Apr 2, 2026-6pm CDT Apr 9, 2026
 
Forecast Discussion
 
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Additional Resources

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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