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.

Mostly Cloudy

25°F

-4°C

Humidity 93%
Wind Speed Vrbl 7 G 15 mph
Barometer 29.79 in
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill17°F (-8°C)
Last update 2 Dec 8:15 pm CST
Extended Forecast for

Dorchester IA

  • Tonight

    Tonight: A chance of flurries before 10pm, then a chance of snow after 4am. Cloudy, with a low around 18. South wind 6 to 9 mph becoming northwest after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 40%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 18 °F

    Chance Snow

  • Wednesday

    Wednesday: A slight chance of snow before 7am, then a chance of flurries between 7am and 11am. Mostly cloudy, then gradually becoming sunny, with a temperature falling to around 12 by 5pm. Wind chill values as low as -2. Northwest wind 10 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.

    High: 24 °F⇓

    Slight Chance
    Snow then
    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around -7. Wind chill values as low as -15. Northwest wind 5 to 8 mph becoming calm after midnight.

    Low: -7 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 11. Wind chill values as low as -7. Calm wind becoming south 5 to 8 mph in the afternoon.

    High: 11 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 2. Southwest wind 7 to 10 mph, with gusts as high as 20 mph.

    Low: 2 °F

    Mostly Cloudy

  • Friday

    Friday: A 20 percent chance of snow after noon. Mostly cloudy, with a high near 26. Southwest wind around 6 mph.

    High: 26 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Friday Night

    Friday Night: A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 12. Southwest wind around 5 mph becoming calm in the evening.

    Low: 12 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Saturday

    Saturday: A 20 percent chance of snow after noon. Mostly cloudy, with a high near 24. Light and variable wind.

    High: 24 °F

    Partly Sunny
    then Slight
    Chance Snow

  • Saturday Night

    Saturday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 7. Light northeast wind.

    Low: 7 °F

    Chance Snow

Detailed Forecast

Tonight
A chance of flurries before 10pm, then a chance of snow after 4am. Cloudy, with a low around 18. South wind 6 to 9 mph becoming northwest after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 40%. Total nighttime snow accumulation of less than a half inch possible.
Wednesday
A slight chance of snow before 7am, then a chance of flurries between 7am and 11am. Mostly cloudy, then gradually becoming sunny, with a temperature falling to around 12 by 5pm. Wind chill values as low as -2. Northwest wind 10 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
Wednesday Night
Mostly clear, with a low around -7. Wind chill values as low as -15. Northwest wind 5 to 8 mph becoming calm after midnight.
Thursday
Sunny, with a high near 11. Wind chill values as low as -7. Calm wind becoming south 5 to 8 mph in the afternoon.
Thursday Night
Mostly cloudy, with a low around 2. Southwest wind 7 to 10 mph, with gusts as high as 20 mph.
Friday
A 20 percent chance of snow after noon. Mostly cloudy, with a high near 26. Southwest wind around 6 mph.
Friday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 12. Southwest wind around 5 mph becoming calm in the evening.
Saturday
A 20 percent chance of snow after noon. Mostly cloudy, with a high near 24. Light and variable wind.
Saturday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 7. Light northeast wind.
Sunday
A 30 percent chance of snow. Partly sunny, with a high near 20. Northeast wind 3 to 5 mph.
Sunday Night
Mostly cloudy, with a low around 2. Light and variable wind.
Monday
A 20 percent chance of snow. Mostly cloudy, with a high near 23. Calm wind becoming south around 5 mph in the afternoon.
Monday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 13. South wind around 6 mph becoming west after midnight.
Tuesday
A 20 percent chance of snow. Mostly cloudy, with a high near 28. Southwest wind around 7 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Dorchester IA
 43.47°N 91.52°W
Last Update:
7:46 pm CST Dec 2, 2025
Forecast Valid:
8pm CST Dec 2, 2025-6pm CST Dec 9, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation