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

79°F

26°C

Humidity 70%
Wind Speed Calm
Barometer 30.11 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 6 Jul 12:15 pm CDT
Extended Forecast for

Dorchester IA

  • This Afternoon

    This Afternoon: Sunny, with a high near 84. Calm wind.

    High: 84 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 61. Calm wind.

    Low: 61 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 87. Light southwest wind.

    High: 87 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 65. Calm wind.

    Low: 65 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 87. Southwest wind 3 to 8 mph. Chance of precipitation is 20%.

    High: 87 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm before 4am, then showers likely. Low around 66. Southwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 66 °F

    Showers

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 7am. Mostly cloudy, with a high near 82. North wind 3 to 5 mph. Chance of precipitation is 30%.

    High: 82 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms, then a chance of showers after 1am. Mostly cloudy, with a low around 63. Light north wind. Chance of precipitation is 30%.

    Low: 63 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: A slight chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 81. Light east wind. Chance of precipitation is 20%.

    High: 81 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

Detailed Forecast

This Afternoon
Sunny, with a high near 84. Calm wind.
Tonight
Mostly clear, with a low around 61. Calm wind.
Tuesday
Mostly sunny, with a high near 87. Light southwest wind.
Tuesday Night
Partly cloudy, with a low around 65. Calm wind.
Wednesday
A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 87. Southwest wind 3 to 8 mph. Chance of precipitation is 20%.
Wednesday Night
Showers and possibly a thunderstorm before 4am, then showers likely. Low around 66. Southwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
A chance of showers, with thunderstorms also possible after 7am. Mostly cloudy, with a high near 82. North wind 3 to 5 mph. Chance of precipitation is 30%.
Thursday Night
A slight chance of showers and thunderstorms, then a chance of showers after 1am. Mostly cloudy, with a low around 63. Light north wind. Chance of precipitation is 30%.
Friday
A slight chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 81. Light east wind. Chance of precipitation is 20%.
Friday Night
Partly cloudy, with a low around 62. Light east wind.
Saturday
Mostly sunny, with a high near 84. Light east wind.
Saturday Night
Mostly clear, with a low around 64. Light south wind.
Sunday
Sunny, with a high near 88. Calm wind becoming southwest around 6 mph in the afternoon.
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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:
12:11 pm CDT Jul 6, 2026
Forecast Valid:
12pm CDT Jul 6, 2026-6pm CDT Jul 12, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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