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

68°F

20°C

Humidity 35%
Wind Speed N 10 G 18 mph
Barometer 30.22 in
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 4 Oct 2:15 pm CDT
Extended Forecast for

Saint Lucas IA

  • This Afternoon

    This Afternoon: Sunny, with a high near 65. Northwest wind around 10 mph.

    High: 65 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 44. Light northwest wind.

    Low: 44 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 66. Calm wind becoming south around 5 mph in the afternoon.

    High: 66 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 51. Light south wind increasing to 5 to 10 mph in the evening. Winds could gust as high as 18 mph.

    Low: 51 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 71. Breezy, with a south wind 13 to 16 mph, with gusts as high as 24 mph.

    High: 71 °F

    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 52. Southwest wind around 6 mph becoming light and variable after midnight.

    Low: 52 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 70. Calm wind becoming northwest 5 to 8 mph in the afternoon.

    High: 70 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 47. Light northwest wind.

    Low: 47 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 67. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 67 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 65. Northwest wind around 10 mph.
Tonight
Clear, with a low around 44. Light northwest wind.
Monday
Sunny, with a high near 66. Calm wind becoming south around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 51. Light south wind increasing to 5 to 10 mph in the evening. Winds could gust as high as 18 mph.
Tuesday
Sunny, with a high near 71. Breezy, with a south wind 13 to 16 mph, with gusts as high as 24 mph.
Tuesday Night
Mostly clear, with a low around 52. Southwest wind around 6 mph becoming light and variable after midnight.
Wednesday
Mostly sunny, with a high near 70. Calm wind becoming northwest 5 to 8 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 47. Light northwest wind.
Thursday
Mostly sunny, with a high near 67. Calm wind becoming southwest around 6 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 48. Calm wind.
Friday
Mostly sunny, with a high near 66. Calm wind becoming south around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 51. Calm wind becoming southeast 5 to 9 mph in the evening.
Saturday
Sunny, with a high near 71. Breezy, with a south wind 10 to 20 mph, with gusts as high as 28 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 pm CDT Oct 4, 2026
Forecast Valid:
2pm CDT Oct 4, 2026-6pm CDT Oct 10, 2026
 
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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