National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Decorah (KDEH)

Lat: 43.28°NLon: 91.73°WElev: 1158ft.

Fog/Mist

68°F

20°C

Humidity 100%
Wind Speed Calm
Barometer 29.98 in
Dewpoint 68°F (20°C)
Visibility 3.00 mi
Last update 16 Jun 8:15 am CDT
Extended Forecast for

Dorchester IA

  • Today

    Today: Showers likely and possibly a thunderstorm before noon, then scattered showers and thunderstorms after noon. Mostly cloudy, with a high near 83. South wind 5 to 8 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 83 °F

    Showers
    Likely then
    Scattered
    T-storms

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly between 9pm and 1am. Mostly cloudy, with a low around 65. Southwest wind 5 to 7 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 65 °F

    T-storms
    Likely

  • Tuesday

    Tuesday: A chance of showers and thunderstorms before 7am, then a chance of showers between 7am and 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 82. Northwest wind around 6 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 82 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 63. Light and variable wind. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 63 °F

    Chance
    T-storms then
    Showers
    Likely

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 79. Northeast wind 5 to 8 mph becoming northwest in the afternoon. Chance of precipitation is 60%. New rainfall amounts between three quarters and one inch possible.

    High: 79 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 59. Northwest wind 3 to 6 mph.

    Low: 59 °F

    Slight Chance
    T-storms

  • Juneteenth

    Juneteenth: Sunny, with a high near 82. West wind 5 to 8 mph.

    High: 82 °F

    Sunny

  • Thursday Night

    Thursday Night: A 40 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 60. West wind around 5 mph becoming light and variable.

    Low: 60 °F

    Chance
    T-storms

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 84. South wind 6 to 11 mph, with gusts as high as 22 mph.

    High: 84 °F

    Chance
    Showers

Detailed Forecast

Today
Showers likely and possibly a thunderstorm before noon, then scattered showers and thunderstorms after noon. Mostly cloudy, with a high near 83. South wind 5 to 8 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms likely, mainly between 9pm and 1am. Mostly cloudy, with a low around 65. Southwest wind 5 to 7 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
A chance of showers and thunderstorms before 7am, then a chance of showers between 7am and 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 82. Northwest wind around 6 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 63. Light and variable wind. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 79. Northeast wind 5 to 8 mph becoming northwest in the afternoon. Chance of precipitation is 60%. New rainfall amounts between three quarters and one inch possible.
Wednesday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 59. Northwest wind 3 to 6 mph.
Juneteenth
Sunny, with a high near 82. West wind 5 to 8 mph.
Thursday Night
A 40 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 60. West wind around 5 mph becoming light and variable.
Friday
A 30 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 84. South wind 6 to 11 mph, with gusts as high as 22 mph.
Friday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71. South wind around 10 mph, with gusts as high as 22 mph.
Saturday
Sunny, with a high near 91. Southwest wind around 11 mph, with gusts as high as 22 mph.
Saturday Night
Mostly clear, with a low around 74. South wind around 10 mph, with gusts as high as 21 mph.
Sunday
Sunny, with a high near 90. South wind 10 to 14 mph, with gusts as high as 26 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Dorchester IA
 43.47°N 91.52°W
Last Update:
7:58 am CDT Jun 16, 2025
Forecast Valid:
8am CDT Jun 16, 2025-6pm CDT Jun 22, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation