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.

Fog

55°F

13°C

Humidity 100%
Wind Speed Calm
Barometer 30.20 in
Dewpoint 55°F (13°C)
Visibility 0.15 mi
Last update 11 Sep 4:35 am CDT
Extended Forecast for

Saint Lucas IA

  • Today

    Today: Widespread fog, mainly before 8am. Otherwise, mostly sunny, with a high near 77. Calm wind becoming southeast around 6 mph in the morning.

    High: 77 °F

    Fog then
    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 56. East wind 3 to 6 mph.

    Low: 56 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 81. Southeast wind 6 to 10 mph.

    High: 81 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms between 1am and 4am, then a slight chance of showers after 4am. Mostly cloudy, with a low around 65. Southeast wind 7 to 9 mph. Chance of precipitation is 20%.

    Low: 65 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Saturday

    Saturday: Mostly sunny, with a high near 87. South wind 6 to 8 mph.

    High: 87 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 66. South wind 3 to 5 mph.

    Low: 66 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 87. South wind 3 to 6 mph.

    High: 87 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 65. Southeast wind around 6 mph.

    Low: 65 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 83. South wind 6 to 9 mph.

    High: 83 °F

    Slight Chance
    T-storms

Detailed Forecast

Today
Widespread fog, mainly before 8am. Otherwise, mostly sunny, with a high near 77. Calm wind becoming southeast around 6 mph in the morning.
Tonight
Partly cloudy, with a low around 56. East wind 3 to 6 mph.
Friday
Mostly sunny, with a high near 81. Southeast wind 6 to 10 mph.
Friday Night
A slight chance of showers and thunderstorms between 1am and 4am, then a slight chance of showers after 4am. Mostly cloudy, with a low around 65. Southeast wind 7 to 9 mph. Chance of precipitation is 20%.
Saturday
Mostly sunny, with a high near 87. South wind 6 to 8 mph.
Saturday Night
Partly cloudy, with a low around 66. South wind 3 to 5 mph.
Sunday
Mostly sunny, with a high near 87. South wind 3 to 6 mph.
Sunday Night
A 30 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 65. Southeast wind around 6 mph.
Monday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 83. South wind 6 to 9 mph.
Monday Night
Partly cloudy, with a low around 63. Southeast wind around 6 mph.
Tuesday
Mostly sunny, with a high near 84. South wind 6 to 8 mph.
Tuesday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 63. South wind around 6 mph.
Wednesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 81. South wind 5 to 8 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:
4:43 am CDT Sep 11, 2025
Forecast Valid:
4am CDT Sep 11, 2025-6pm CDT Sep 17, 2025
 
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Additional Resources

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High Temperature

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Chance of Precipitation