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.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update 9 Jan 9:35 pm CST
Extended Forecast for

8 Miles NNE Castalia IA

  • Tonight

    Tonight: Snow likely, mainly after 4am. Cloudy, with a steady temperature around 29. Calm wind becoming northwest around 6 mph after midnight. Chance of precipitation is 60%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 29 °F

    Mostly Cloudy
    then Snow
    Likely

  • Saturday

    Saturday: A slight chance of snow before noon, then isolated flurries between noon and 2pm, then isolated snow showers after 2pm. Cloudy, then gradually becoming mostly sunny, with a high near 29. Blustery, with a northwest wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 26 mph. Chance of precipitation is 20%.

    High: 29 °F

    Slight Chance
    Snow and
    Blustery

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 15. Blustery, with a northwest wind 15 to 18 mph, with gusts as high as 26 mph.

    Low: 15 °F

    Mostly Cloudy
    and Blustery

  • Sunday

    Sunday: Mostly sunny, with a high near 26. Northwest wind 8 to 14 mph becoming southwest in the afternoon.

    High: 26 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 22. Southwest wind 8 to 11 mph, with gusts as high as 20 mph.

    Low: 22 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 40. West wind around 9 mph.

    High: 40 °F

    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 32. Southwest wind 8 to 11 mph, with gusts as high as 20 mph.

    Low: 32 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of rain after noon. Partly sunny, with a high near 43. West wind 11 to 14 mph, with gusts as high as 22 mph.

    High: 43 °F

    Partly Sunny
    then Slight
    Chance Rain

  • Tuesday Night

    Tuesday Night: A slight chance of rain and snow after midnight. Mostly cloudy, with a low around 24. Northwest wind around 14 mph. Chance of precipitation is 20%.

    Low: 24 °F

    Mostly Cloudy
    then Slight
    Chance
    Rain/Snow

Detailed Forecast

Tonight
Snow likely, mainly after 4am. Cloudy, with a steady temperature around 29. Calm wind becoming northwest around 6 mph after midnight. Chance of precipitation is 60%. Total nighttime snow accumulation of less than a half inch possible.
Saturday
A slight chance of snow before noon, then isolated flurries between noon and 2pm, then isolated snow showers after 2pm. Cloudy, then gradually becoming mostly sunny, with a high near 29. Blustery, with a northwest wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 26 mph. Chance of precipitation is 20%.
Saturday Night
Mostly cloudy, with a low around 15. Blustery, with a northwest wind 15 to 18 mph, with gusts as high as 26 mph.
Sunday
Mostly sunny, with a high near 26. Northwest wind 8 to 14 mph becoming southwest in the afternoon.
Sunday Night
Partly cloudy, with a low around 22. Southwest wind 8 to 11 mph, with gusts as high as 20 mph.
Monday
Sunny, with a high near 40. West wind around 9 mph.
Monday Night
Mostly cloudy, with a low around 32. Southwest wind 8 to 11 mph, with gusts as high as 20 mph.
Tuesday
A 20 percent chance of rain after noon. Partly sunny, with a high near 43. West wind 11 to 14 mph, with gusts as high as 22 mph.
Tuesday Night
A slight chance of rain and snow after midnight. Mostly cloudy, with a low around 24. Northwest wind around 14 mph. Chance of precipitation is 20%.
Wednesday
A 20 percent chance of snow after noon. Partly sunny, with a high near 28. North wind 10 to 14 mph.
Wednesday Night
Mostly cloudy, with a low around 15. North wind 7 to 10 mph.
Thursday
A 20 percent chance of snow. Mostly sunny, with a high near 27. West wind 7 to 9 mph becoming south in the afternoon.
Thursday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 22. South wind around 10 mph.
Friday
A 30 percent chance of snow. Mostly cloudy, with a high near 29. West wind around 11 mph, with gusts as high as 20 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles NNE Castalia IA
 43.23°N 91.65°W
Last Update:
9:06 pm CST Jan 9, 2026
Forecast Valid:
9pm CST Jan 9, 2026-6pm CST Jan 16, 2026
 
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Additional Resources

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Chance of Precipitation