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.

Fog/Mist

54°F

12°C

Humidity 100%
Wind Speed E 5 mph
Barometer 29.96 in
Dewpoint 54°F (12°C)
Visibility 6.00 mi
Wind Chill53°F (12°C)
Last update 15 Oct 12:15 pm CDT
Extended Forecast for

Saint Lucas IA

  • This Afternoon

    This Afternoon: Showers. High near 55. East wind 5 to 9 mph becoming northwest. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 55 °F

    Showers

  • Tonight

    Tonight: Showers likely before 11pm, then a slight chance of showers after 5am. Mostly cloudy, with a low around 41. Breezy, with a northwest wind 16 to 18 mph, with gusts as high as 33 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 41 °F

    Breezy.
    Showers
    Likely then
    Slight Chance
    Showers

  • Friday

    Friday: A 40 percent chance of showers, mainly between 7am and 11am. Mostly cloudy, with a high near 49. Windy, with a north wind 21 to 29 mph, with gusts as high as 41 mph. New precipitation amounts of less than a tenth of an inch possible.

    High: 49 °F

    Windy. Chance
    Showers then
    Mostly Cloudy

  • Friday Night

    Friday Night: Widespread frost, mainly after 1am. Otherwise, mostly clear, with a low around 29. North wind 9 to 14 mph becoming light and variable.

    Low: 29 °F

    Frost

  • Saturday

    Saturday: Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 55. Southwest wind 6 to 14 mph, with gusts as high as 23 mph.

    High: 55 °F

    Frost then
    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 39. South wind 11 to 15 mph, with gusts as high as 23 mph.

    Low: 39 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 62. Breezy, with a south wind 15 to 18 mph, with gusts as high as 26 mph.

    High: 62 °F

    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 43. South wind 6 to 10 mph, with gusts as high as 20 mph.

    Low: 43 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 64. South wind around 6 mph.

    High: 64 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Showers. High near 55. East wind 5 to 9 mph becoming northwest. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Tonight
Showers likely before 11pm, then a slight chance of showers after 5am. Mostly cloudy, with a low around 41. Breezy, with a northwest wind 16 to 18 mph, with gusts as high as 33 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Friday
A 40 percent chance of showers, mainly between 7am and 11am. Mostly cloudy, with a high near 49. Windy, with a north wind 21 to 29 mph, with gusts as high as 41 mph. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Widespread frost, mainly after 1am. Otherwise, mostly clear, with a low around 29. North wind 9 to 14 mph becoming light and variable.
Saturday
Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 55. Southwest wind 6 to 14 mph, with gusts as high as 23 mph.
Saturday Night
Clear, with a low around 39. South wind 11 to 15 mph, with gusts as high as 23 mph.
Sunday
Sunny, with a high near 62. Breezy, with a south wind 15 to 18 mph, with gusts as high as 26 mph.
Sunday Night
Mostly clear, with a low around 43. South wind 6 to 10 mph, with gusts as high as 20 mph.
Monday
Mostly sunny, with a high near 64. South wind around 6 mph.
Monday Night
Partly cloudy, with a low around 44. Calm wind.
Tuesday
Mostly sunny, with a high near 68. Calm wind becoming southeast around 5 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 48. Southeast wind 3 to 5 mph.
Wednesday
A 20 percent chance of showers. Sunny, with a high near 70. Southeast wind 5 to 10 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Lucas IA
 43.07°N 91.95°W
Last Update:
12:01 pm CDT Oct 15, 2026
Forecast Valid:
12pm CDT Oct 15, 2026-6pm CDT Oct 21, 2026
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation