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Hazardous Weather Conditions

Current conditions at

Decorah (KDEH)

Lat: 43.28°NLon: 91.73°WElev: 1158ft.

Fair

63°F

17°C

Humidity 100%
Wind Speed S 5 mph
Barometer 29.79 in
Dewpoint 63°F (17°C)
Visibility 7.00 mi
Last update 22 Sep 4:35 am CDT
Extended Forecast for

Dorchester IA

  • Overnight

    Overnight: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a steady temperature around 62. Calm wind. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 62 °F

    Chance
    T-storms

  • Monday

    Monday: A 50 percent chance of showers and thunderstorms, mainly after 2pm. Mostly cloudy, with a high near 76. Calm wind becoming south around 5 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 76 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 1am, then a chance of showers between 1am and 4am. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 59. Calm wind. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 59 °F

    Chance
    T-storms then
    Chance
    Showers and
    Patchy Fog

  • Tuesday

    Tuesday: A 20 percent chance of showers after 1pm. Areas of fog before 9am. Otherwise, partly sunny, with a high near 74. Calm wind becoming north around 5 mph in the afternoon.

    High: 74 °F

    Areas Fog
    then Slight
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 56. Light north wind.

    Low: 56 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of showers after 1pm. Partly sunny, with a high near 71. Calm wind becoming northeast around 6 mph in the morning.

    High: 71 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 55. North wind around 5 mph becoming calm in the evening.

    Low: 55 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 74. Calm wind becoming north around 5 mph in the afternoon.

    High: 74 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 54. Calm wind.

    Low: 54 °F

    Mostly Clear

Detailed Forecast

Overnight
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a steady temperature around 62. Calm wind. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
A 50 percent chance of showers and thunderstorms, mainly after 2pm. Mostly cloudy, with a high near 76. Calm wind becoming south around 5 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday Night
A chance of showers and thunderstorms before 1am, then a chance of showers between 1am and 4am. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 59. Calm wind. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
A 20 percent chance of showers after 1pm. Areas of fog before 9am. Otherwise, partly sunny, with a high near 74. Calm wind becoming north around 5 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 56. Light north wind.
Wednesday
A 20 percent chance of showers after 1pm. Partly sunny, with a high near 71. Calm wind becoming northeast around 6 mph in the morning.
Wednesday Night
Partly cloudy, with a low around 55. North wind around 5 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 74. Calm wind becoming north around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 54. Calm wind.
Friday
Sunny, with a high near 78. Light west wind.
Friday Night
Mostly clear, with a low around 55. Calm wind.
Saturday
Sunny, with a high near 78. Calm wind becoming west around 6 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 54. Light and variable wind.
Sunday
Sunny, with a high near 76. Calm wind becoming south around 5 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:
4:28 am CDT Sep 22, 2025
Forecast Valid:
4am CDT Sep 22, 2025-6pm CDT Sep 28, 2025
 
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Additional Resources

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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