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.

Partly Cloudy

59°F

15°C

Humidity 51%
Wind Speed Calm
Barometer 29.95 in
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 7 Oct 8:55 pm CDT
Extended Forecast for

Dorchester IA

  • Tonight

    Tonight: Partly cloudy, with a low around 49. Light northwest wind.

    Low: 49 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 68. Light northwest wind.

    High: 68 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 49. Calm wind.

    Low: 49 °F

    Mostly Cloudy

  • Friday

    Friday: A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 73. Calm wind becoming south 5 to 8 mph in the morning.

    High: 73 °F

    Slight Chance
    Showers

  • Friday Night

    Friday Night: Mostly clear, with a low around 61. South wind around 8 mph, with gusts as high as 20 mph.

    Low: 61 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 81. Breezy, with a south wind 9 to 16 mph, with gusts as high as 25 mph.

    High: 81 °F

    Sunny then
    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 59. South wind 7 to 11 mph, with gusts as high as 25 mph.

    Low: 59 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 78. South wind 6 to 8 mph.

    High: 78 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 58. South wind 3 to 5 mph.

    Low: 58 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 49. Light northwest wind.
Thursday
Mostly sunny, with a high near 68. Light northwest wind.
Thursday Night
Mostly cloudy, with a low around 49. Calm wind.
Friday
A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 73. Calm wind becoming south 5 to 8 mph in the morning.
Friday Night
Mostly clear, with a low around 61. South wind around 8 mph, with gusts as high as 20 mph.
Saturday
Sunny, with a high near 81. Breezy, with a south wind 9 to 16 mph, with gusts as high as 25 mph.
Saturday Night
Mostly clear, with a low around 59. South wind 7 to 11 mph, with gusts as high as 25 mph.
Sunday
Sunny, with a high near 78. South wind 6 to 8 mph.
Sunday Night
Partly cloudy, with a low around 58. South wind 3 to 5 mph.
Columbus Day
A 30 percent chance of showers, mainly after 1pm. Partly sunny, with a high near 69. Northwest wind 5 to 8 mph.
Monday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 45. North wind 6 to 9 mph.
Tuesday
Partly sunny, with a high near 59. Northwest wind around 7 mph.
Tuesday Night
A 20 percent chance of showers. Partly cloudy, with a low around 42. Light west wind.
Wednesday
A 20 percent chance of showers. Partly sunny, with a high near 59. Calm wind becoming southwest 5 to 7 mph in the afternoon.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Dorchester IA
 43.47°N 91.52°W
Last Update:
8:01 pm CDT Oct 7, 2026
Forecast Valid:
9pm CDT Oct 7, 2026-6pm CDT Oct 14, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation