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.

Fair

70°F

21°C

Humidity 94%
Wind Speed SE 3 mph
Barometer 30.01 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 14 Aug 8:35 pm CDT
Extended Forecast for

5 Miles ESE Saint Lucas IA

  • Tonight

    Tonight: A 20 percent chance of showers before 10pm. Mostly cloudy, with a low around 65. Southeast wind around 6 mph.

    Low: 65 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 87. South wind 6 to 10 mph, with gusts as high as 18 mph.

    High: 87 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 71. South wind around 7 mph.

    Low: 71 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: A slight chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm. Mostly sunny, with a high near 90. Heat index values as high as 101. South wind 6 to 10 mph. Chance of precipitation is 20%.

    High: 90 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 71. South wind around 6 mph.

    Low: 71 °F

    Chance
    T-storms

  • Sunday

    Sunday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 86. Southeast wind 5 to 8 mph. Chance of precipitation is 30%.

    High: 86 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Southeast wind around 7 mph.

    Low: 68 °F

    Chance
    T-storms

  • Monday

    Monday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 83. South wind 6 to 8 mph.

    High: 83 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67. South wind around 6 mph.

    Low: 67 °F

    Chance
    T-storms

Detailed Forecast

Tonight
A 20 percent chance of showers before 10pm. Mostly cloudy, with a low around 65. Southeast wind around 6 mph.
Friday
Mostly sunny, with a high near 87. South wind 6 to 10 mph, with gusts as high as 18 mph.
Friday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 71. South wind around 7 mph.
Saturday
A slight chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm. Mostly sunny, with a high near 90. Heat index values as high as 101. South wind 6 to 10 mph. Chance of precipitation is 20%.
Saturday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 71. South wind around 6 mph.
Sunday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 86. Southeast wind 5 to 8 mph. Chance of precipitation is 30%.
Sunday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Southeast wind around 7 mph.
Monday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 83. South wind 6 to 8 mph.
Monday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67. South wind around 6 mph.
Tuesday
A slight chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 82. Southwest wind 6 to 8 mph becoming northwest in the afternoon. Chance of precipitation is 20%.
Tuesday Night
Partly cloudy, with a low around 64. North wind around 6 mph.
Wednesday
Mostly sunny, with a high near 78. Northeast wind around 6 mph.
Wednesday Night
Mostly clear, with a low around 60. Northeast wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 79. Light east wind.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles ESE Saint Lucas IA
 43.04°N 91.83°W
Last Update:
7:29 pm CDT Aug 14, 2025
Forecast Valid:
8pm CDT Aug 14, 2025-6pm CDT Aug 21, 2025
 
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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