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.

A Few Clouds

66°F

19°C

Humidity 64%
Wind Speed Calm
Barometer 29.83 in
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 16 Apr 12:15 pm CDT
Extended Forecast for

Dorchester IA

  • This Afternoon

    This Afternoon: Sunny, with a high near 74. Light and variable wind.

    High: 74 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 54. Southeast wind 3 to 6 mph.

    Low: 54 °F

    Mostly Clear

  • Friday

    Friday: A chance of showers and thunderstorms between 1pm and 3pm, then showers and possibly a thunderstorm after 3pm. High near 76. South wind 7 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 76 °F

    Partly Sunny
    then T-storms

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm before 10pm, then showers likely. Low around 33. Northwest wind around 11 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 33 °F

    T-storms then
    Showers
    Likely

  • Saturday

    Saturday: A slight chance of rain and snow showers before 10am, then a slight chance of snow showers between 10am and 1pm. Mostly sunny, with a high near 45. Northwest wind 10 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    High: 45 °F

    Slight Chance
    Rain/Snow
    then Slight
    Chance Snow
    Showers

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 28. West wind 6 to 11 mph, with gusts as high as 22 mph.

    Low: 28 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 51. Northwest wind 6 to 10 mph, with gusts as high as 21 mph.

    High: 51 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 29. Northwest wind around 6 mph becoming calm in the evening.

    Low: 29 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 61. Light southeast wind becoming south 5 to 9 mph in the morning. Winds could gust as high as 18 mph.

    High: 61 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 74. Light and variable wind.
Tonight
Mostly clear, with a low around 54. Southeast wind 3 to 6 mph.
Friday
A chance of showers and thunderstorms between 1pm and 3pm, then showers and possibly a thunderstorm after 3pm. High near 76. South wind 7 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
Showers and possibly a thunderstorm before 10pm, then showers likely. Low around 33. Northwest wind around 11 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Saturday
A slight chance of rain and snow showers before 10am, then a slight chance of snow showers between 10am and 1pm. Mostly sunny, with a high near 45. Northwest wind 10 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Saturday Night
Mostly clear, with a low around 28. West wind 6 to 11 mph, with gusts as high as 22 mph.
Sunday
Sunny, with a high near 51. Northwest wind 6 to 10 mph, with gusts as high as 21 mph.
Sunday Night
Mostly clear, with a low around 29. Northwest wind around 6 mph becoming calm in the evening.
Monday
Sunny, with a high near 61. Light southeast wind becoming south 5 to 9 mph in the morning. Winds could gust as high as 18 mph.
Monday Night
Partly cloudy, with a low around 46. South wind around 9 mph, with gusts as high as 18 mph.
Tuesday
Sunny, with a high near 70. West wind around 9 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 46. Southwest wind 5 to 7 mph.
Wednesday
Sunny, with a high near 69. Southwest wind 5 to 8 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Dorchester IA
 43.47°N 91.52°W
Last Update:
11:42 am CDT Apr 16, 2026
Forecast Valid:
12pm CDT Apr 16, 2026-6pm CDT Apr 22, 2026
 
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Additional Resources

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Chance of Precipitation