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

46°F

8°C

Humidity 87%
Wind Speed S 5 mph
Barometer 30.29 in
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 19 Oct 2:35 am CDT
Extended Forecast for

Saint Lucas IA

  • Overnight

    Overnight: Mostly clear, with a low around 41. South wind around 6 mph.

    Low: 41 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 65. South wind around 6 mph.

    High: 65 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 42. Southeast wind 3 to 5 mph.

    Low: 42 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 66. Light east wind becoming southeast 5 to 9 mph in the morning.

    High: 66 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 46. Southeast wind 3 to 6 mph.

    Low: 46 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 68. South wind 3 to 5 mph.

    High: 68 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 50. Calm wind.

    Low: 50 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 70. Calm wind becoming south around 5 mph in the afternoon.

    High: 70 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 52. Southeast wind 3 to 6 mph.

    Low: 52 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 41. South wind around 6 mph.
Monday
Mostly sunny, with a high near 65. South wind around 6 mph.
Monday Night
Partly cloudy, with a low around 42. Southeast wind 3 to 5 mph.
Tuesday
Sunny, with a high near 66. Light east wind becoming southeast 5 to 9 mph in the morning.
Tuesday Night
Mostly clear, with a low around 46. Southeast wind 3 to 6 mph.
Wednesday
Sunny, with a high near 68. South wind 3 to 5 mph.
Wednesday Night
Mostly clear, with a low around 50. Calm wind.
Thursday
Sunny, with a high near 70. Calm wind becoming south around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 52. Southeast wind 3 to 6 mph.
Friday
Mostly sunny, with a high near 68. Southeast wind 8 to 15 mph, with gusts as high as 23 mph.
Friday Night
Mostly cloudy, with a low around 54. South wind 11 to 14 mph, with gusts as high as 23 mph.
Saturday
Partly sunny, with a high near 69. South wind around 15 mph, with gusts as high as 24 mph.
Saturday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 52. South wind 7 to 10 mph, with gusts as high as 18 mph.
Sunday
Mostly sunny, with a high near 65. West wind around 6 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Lucas IA
 43.07°N 91.95°W
Last Update:
1:26 am CDT Oct 19, 2026
Forecast Valid:
2am CDT Oct 19, 2026-6pm CDT Oct 25, 2026
 
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Additional Resources

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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