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.

Rain

52°F

11°C

Humidity 100%
Wind Speed Vrbl 7 G 13 mph
Barometer 30.02 in
Dewpoint 52°F (11°C)
Visibility 1.50 mi
Wind Chill50°F (10°C)
Last update 15 Oct 10:15 am CDT
Extended Forecast for

Saint Lucas IA

  • Today

    Today: Showers. High near 55. East wind 5 to 8 mph becoming northwest in the afternoon. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 55 °F

    Showers

  • Tonight

    Tonight: Showers before midnight, then a slight chance of showers after 5am. Low around 42. Breezy, with a northwest wind 16 to 18 mph, with gusts as high as 32 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 42 °F

    Breezy.
    Showers then
    Slight Chance
    Showers

  • Friday

    Friday: A 50 percent chance of showers, mainly before 10am. Cloudy, with a high near 50. Windy, with a north wind 20 to 29 mph, with gusts as high as 37 mph. New precipitation amounts of less than a tenth of an inch possible.

    High: 50 °F

    Windy. Chance
    Showers then
    Mostly Cloudy

  • Friday Night

    Friday Night: Widespread frost, mainly after 2am. Otherwise, mostly cloudy during the early evening, then gradual clearing, with a low around 30. North wind 5 to 9 mph becoming calm in the evening.

    Low: 30 °F

    Frost

  • Saturday

    Saturday: Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 56. Light southwest wind increasing to 9 to 14 mph in the morning.

    High: 56 °F

    Frost then
    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 40. South wind 10 to 14 mph, with gusts as high as 23 mph.

    Low: 40 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 62. Breezy, with a south wind 15 to 20 mph, with gusts as high as 28 mph.

    High: 62 °F

    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 43. South wind 5 to 10 mph, with gusts as high as 18 mph.

    Low: 43 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 66. Light south wind.

    High: 66 °F

    Mostly Sunny

Detailed Forecast

Today
Showers. High near 55. East wind 5 to 8 mph becoming northwest in the afternoon. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Tonight
Showers before midnight, then a slight chance of showers after 5am. Low around 42. Breezy, with a northwest wind 16 to 18 mph, with gusts as high as 32 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Friday
A 50 percent chance of showers, mainly before 10am. Cloudy, with a high near 50. Windy, with a north wind 20 to 29 mph, with gusts as high as 37 mph. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Widespread frost, mainly after 2am. Otherwise, mostly cloudy during the early evening, then gradual clearing, with a low around 30. North wind 5 to 9 mph becoming calm in the evening.
Saturday
Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 56. Light southwest wind increasing to 9 to 14 mph in the morning.
Saturday Night
Clear, with a low around 40. South wind 10 to 14 mph, with gusts as high as 23 mph.
Sunday
Sunny, with a high near 62. Breezy, with a south wind 15 to 20 mph, with gusts as high as 28 mph.
Sunday Night
Mostly clear, with a low around 43. South wind 5 to 10 mph, with gusts as high as 18 mph.
Monday
Mostly sunny, with a high near 66. Light south wind.
Monday Night
Partly cloudy, with a low around 44. Calm wind.
Tuesday
Sunny, with a high near 68. Calm wind becoming south around 6 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 48. South wind 3 to 5 mph.
Wednesday
A 20 percent chance of showers. Mostly sunny, with a high near 69. South wind 6 to 11 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Lucas IA
 43.07°N 91.95°W
Last Update:
8:16 am CDT Oct 15, 2026
Forecast Valid:
10am CDT Oct 15, 2026-6pm CDT Oct 21, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation