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.

Overcast

59°F

15°C

Humidity 100%
Wind Speed S 13 G 21 mph
Barometer 29.75 in
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 12 Apr 6:35 am CDT
Extended Forecast for

Dorchester IA

  • Today

    Today: Showers and thunderstorms likely, mainly before 9am. Mostly cloudy, with a high near 73. Breezy, with a southwest wind 8 to 13 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 34 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 73 °F

    Showers
    Likely then
    Slight Chance
    T-storms and
    Breezy

  • Tonight

    Tonight: Mostly cloudy, with a low around 59. Breezy, with a south wind 7 to 16 mph, with gusts as high as 28 mph.

    Low: 59 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 76. Light southwest wind becoming south 6 to 11 mph in the morning. Winds could gust as high as 22 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 76 °F

    Partly Sunny
    then Chance
    T-storms

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm before 1am, then a slight chance of showers. Mostly cloudy, with a low around 57. Southwest wind 5 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 57 °F

    Showers
    Likely

  • Tuesday

    Tuesday: A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 78. Southwest wind 3 to 6 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 78 °F

    Mostly Sunny
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 54. North wind around 5 mph becoming light and variable in the evening. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 54 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 72. South wind 5 to 8 mph. Chance of precipitation is 60%.

    High: 72 °F

    Chance
    Showers then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 52. Southeast wind 5 to 7 mph becoming west after midnight. Chance of precipitation is 50%.

    Low: 52 °F

    Chance
    T-storms

  • Thursday

    Thursday: A 20 percent chance of showers. Mostly sunny, with a high near 74. West wind 5 to 8 mph.

    High: 74 °F

    Slight Chance
    Showers

Detailed Forecast

Today
Showers and thunderstorms likely, mainly before 9am. Mostly cloudy, with a high near 73. Breezy, with a southwest wind 8 to 13 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 34 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Mostly cloudy, with a low around 59. Breezy, with a south wind 7 to 16 mph, with gusts as high as 28 mph.
Monday
A 40 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 76. Light southwest wind becoming south 6 to 11 mph in the morning. Winds could gust as high as 22 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night
Showers likely and possibly a thunderstorm before 1am, then a slight chance of showers. Mostly cloudy, with a low around 57. Southwest wind 5 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 78. Southwest wind 3 to 6 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 54. North wind around 5 mph becoming light and variable in the evening. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 72. South wind 5 to 8 mph. Chance of precipitation is 60%.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 52. Southeast wind 5 to 7 mph becoming west after midnight. Chance of precipitation is 50%.
Thursday
A 20 percent chance of showers. Mostly sunny, with a high near 74. West wind 5 to 8 mph.
Thursday Night
A 20 percent chance of showers after 1am. Mostly clear, with a low around 55. South wind around 7 mph.
Friday
Showers likely and possibly a thunderstorm. Mostly sunny, with a high near 75. South wind 7 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 60%.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 41. Southwest wind 9 to 11 mph becoming northwest after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 60%.
Saturday
A 40 percent chance of showers. Partly sunny, with a high near 53. North wind 8 to 10 mph, with gusts as high as 20 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Dorchester IA
 43.47°N 91.52°W
Last Update:
5:36 am CDT Apr 12, 2026
Forecast Valid:
6am CDT Apr 12, 2026-6pm CDT Apr 18, 2026
 
Forecast Discussion
 
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Additional Resources

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