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

70°F

21°C

Humidity 100%
Wind Speed NW 13 mph
Barometer 30.02 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 2 Jul 8:55 am CDT
Extended Forecast for

4 Miles WNW Dorchester IA

  • Today

    Today: Showers and possibly a thunderstorm before 11am, then a chance of showers and thunderstorms, mainly after 2pm. Some of the storms could be severe. High near 87. Heat index values as high as 95. Southwest wind 5 to 7 mph. Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 87 °F

    Severe
    Thunderstorms

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before midnight, then showers likely and possibly a thunderstorm after 5am. Some of the storms could be severe. Mostly cloudy, with a low around 67. South wind 3 to 5 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 67 °F

    Severe
    Thunderstorms
    then Showers
    Likely

  • Friday

    Friday: Showers and thunderstorms likely before 1pm, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 87. Heat index values as high as 95. Southwest wind 5 to 7 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 87 °F

    Showers
    Likely then
    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 66. Light and variable wind. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 66 °F

    Chance
    T-storms then
    Showers

  • Independence Day

    Independence Day: Showers likely and possibly a thunderstorm. Partly sunny, with a high near 84. Light and variable wind becoming south around 6 mph in the morning. Chance of precipitation is 70%. New rainfall amounts between three quarters and one inch possible.

    High: 84 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 1am, then a slight chance of showers. Mostly cloudy, with a low around 63. Northwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.

    Low: 63 °F

    Chance
    T-storms then
    Chance
    Showers

  • Sunday

    Sunday: Mostly sunny, with a high near 82. North wind 3 to 6 mph.

    High: 82 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 62. North wind around 5 mph becoming calm in the evening.

    Low: 62 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 84. Light east wind.

    High: 84 °F

    Mostly Sunny

Detailed Forecast

Today
Showers and possibly a thunderstorm before 11am, then a chance of showers and thunderstorms, mainly after 2pm. Some of the storms could be severe. High near 87. Heat index values as high as 95. Southwest wind 5 to 7 mph. Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms likely, mainly before midnight, then showers likely and possibly a thunderstorm after 5am. Some of the storms could be severe. Mostly cloudy, with a low around 67. South wind 3 to 5 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Friday
Showers and thunderstorms likely before 1pm, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 87. Heat index values as high as 95. Southwest wind 5 to 7 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 66. Light and variable wind. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Independence Day
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 84. Light and variable wind becoming south around 6 mph in the morning. Chance of precipitation is 70%. New rainfall amounts between three quarters and one inch possible.
Saturday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers. Mostly cloudy, with a low around 63. Northwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.
Sunday
Mostly sunny, with a high near 82. North wind 3 to 6 mph.
Sunday Night
Mostly clear, with a low around 62. North wind around 5 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 84. Light east wind.
Monday Night
Partly cloudy, with a low around 64. Calm wind.
Tuesday
Mostly sunny, with a high near 87. Light south wind.
Tuesday Night
Partly cloudy, with a low around 65. Light west wind.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86. Light west wind.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WNW Dorchester IA
 43.49°N 91.58°W
Last Update:
8:11 am CDT Jul 2, 2026
Forecast Valid:
9am CDT Jul 2, 2026-6pm CDT Jul 8, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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