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 with Haze

N/A

Humidity NA
Wind Speed Vrbl 6 G 12 mph
Barometer 29.96 in
Dewpoint N/A
Visibility 5.00 mi
Last update 2 Aug 7:55 am CDT
Extended Forecast for

5 Miles SE Saint Lucas IA

  • Today

    Today: Mostly sunny, with a high near 79. Northeast wind 6 to 8 mph.

    High: 79 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 60. Light and variable wind.

    Low: 60 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 80. Light southeast wind becoming south 5 to 9 mph in the morning.

    High: 80 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 63. South wind around 8 mph.

    Low: 63 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 80. South wind 7 to 9 mph becoming west in the afternoon.

    High: 80 °F

    Partly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 60. North wind 3 to 6 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 60 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 76. Light northeast wind. Chance of precipitation is 40%.

    High: 76 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers. Partly cloudy, with a low around 56. Calm wind.

    Low: 56 °F

    Slight Chance
    Showers

  • Thursday

    Thursday: Mostly sunny, with a high near 78. Calm wind becoming south around 5 mph in the afternoon.

    High: 78 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 79. Northeast wind 6 to 8 mph.
Tonight
Mostly clear, with a low around 60. Light and variable wind.
Monday
Sunny, with a high near 80. Light southeast wind becoming south 5 to 9 mph in the morning.
Monday Night
Mostly clear, with a low around 63. South wind around 8 mph.
Tuesday
A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 80. South wind 7 to 9 mph becoming west in the afternoon.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 60. North wind 3 to 6 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 76. Light northeast wind. Chance of precipitation is 40%.
Wednesday Night
A 20 percent chance of showers. Partly cloudy, with a low around 56. Calm wind.
Thursday
Mostly sunny, with a high near 78. Calm wind becoming south around 5 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 59. Light south wind.
Friday
Mostly sunny, with a high near 81. Southwest wind 3 to 7 mph.
Friday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 63. South wind around 6 mph.
Saturday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 83. Southwest wind 5 to 9 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SE Saint Lucas IA
 43.02°N 91.86°W
Last Update:
5:56 am CDT Aug 2, 2026
Forecast Valid:
8am CDT Aug 2, 2026-6pm CDT Aug 8, 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