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

54°F

12°C

Humidity 63%
Wind Speed S 13 G 18 mph
Barometer 29.58 in
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Wind Chill50°F (10°C)
Last update 8 Mar 10:35 pm CDT
Extended Forecast for

Dorchester IA

  • Tonight

    Tonight: Partly cloudy, with a low around 44. Southwest wind 10 to 15 mph, with gusts as high as 28 mph.

    Low: 44 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 64. Southwest wind 6 to 10 mph becoming northeast in the afternoon.

    High: 64 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 38. Calm wind becoming north around 5 mph after midnight.

    Low: 38 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 57. Northeast wind 6 to 8 mph.

    High: 57 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A chance of rain showers before 1am, then a chance of rain and snow showers. Mostly cloudy, with a low around 31. North wind around 9 mph, with gusts as high as 18 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.

    Low: 31 °F

    Chance
    Showers then
    Chance
    Rain/Snow

  • Wednesday

    Wednesday: A 50 percent chance of snow showers. Mostly cloudy, with a high near 40. North wind 10 to 14 mph, with gusts as high as 23 mph. New snow accumulation of less than one inch possible.

    High: 40 °F

    Chance Snow
    Showers

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 26. Northwest wind 5 to 11 mph, with gusts as high as 21 mph.

    Low: 26 °F

    Partly Cloudy

  • Thursday

    Thursday: A slight chance of rain and snow showers after 1pm. Partly sunny, with a high near 47. South wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    High: 47 °F

    Mostly Sunny
    then Slight
    Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: Showers likely, mainly before 1am. Mostly cloudy, with a low around 31. South wind around 13 mph becoming west after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 60%.

    Low: 31 °F

    Showers
    Likely

Detailed Forecast

Tonight
Partly cloudy, with a low around 44. Southwest wind 10 to 15 mph, with gusts as high as 28 mph.
Monday
Mostly sunny, with a high near 64. Southwest wind 6 to 10 mph becoming northeast in the afternoon.
Monday Night
Mostly clear, with a low around 38. Calm wind becoming north around 5 mph after midnight.
Tuesday
Mostly sunny, with a high near 57. Northeast wind 6 to 8 mph.
Tuesday Night
A chance of rain showers before 1am, then a chance of rain and snow showers. Mostly cloudy, with a low around 31. North wind around 9 mph, with gusts as high as 18 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Wednesday
A 50 percent chance of snow showers. Mostly cloudy, with a high near 40. North wind 10 to 14 mph, with gusts as high as 23 mph. New snow accumulation of less than one inch possible.
Wednesday Night
Partly cloudy, with a low around 26. Northwest wind 5 to 11 mph, with gusts as high as 21 mph.
Thursday
A slight chance of rain and snow showers after 1pm. Partly sunny, with a high near 47. South wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Thursday Night
Showers likely, mainly before 1am. Mostly cloudy, with a low around 31. South wind around 13 mph becoming west after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 60%.
Friday
Partly sunny, with a high near 43. Northwest wind 11 to 14 mph, with gusts as high as 25 mph.
Friday Night
A 20 percent chance of snow showers. Mostly cloudy, with a low around 25. Northwest wind 5 to 7 mph.
Saturday
A 20 percent chance of snow showers. Mostly cloudy, with a high near 42. Northwest wind around 6 mph becoming southeast in the afternoon.
Saturday Night
A 50 percent chance of snow showers. Mostly cloudy, with a low around 27. Southeast wind 5 to 7 mph.
Sunday
Snow showers likely. Mostly cloudy, with a high near 40. East wind 8 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 60%.
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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:
9:36 pm CDT Mar 8, 2026
Forecast Valid:
10pm CDT Mar 8, 2026-6pm CDT Mar 15, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation