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 SE 6 mph
Barometer 29.97 in
Dewpoint 70°F (21°C)
Visibility 9.00 mi
Last update 2 Jul 8:15 am CDT
Extended Forecast for

6 Miles SSW Dorchester IA

  • Today

    Today: Showers and thunderstorms, mainly before 1pm. Some of the storms could be severe. High near 88. Heat index values as high as 98. Southwest wind 3 to 6 mph. Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 88 °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. Increasing clouds, with a low around 68. Light south wind. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 68 °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 88. Heat index values as high as 96. Southwest wind 3 to 6 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 88 °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 67. Light and variable wind. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 67 °F

    Chance
    T-storms then
    Showers

  • Independence Day

    Independence Day: Showers likely and possibly a thunderstorm. Partly sunny, with a high near 84. Calm wind becoming south around 5 mph in the afternoon. 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 30 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 64. Light north wind.

    Low: 64 °F

    Chance
    T-storms then
    Chance
    Showers

  • Sunday

    Sunday: Mostly sunny, with a high near 83. Calm wind becoming north around 5 mph in the afternoon.

    High: 83 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 63. Light north wind.

    Low: 63 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 85. Light and variable wind.

    High: 85 °F

    Mostly Sunny

Detailed Forecast

Today
Showers and thunderstorms, mainly before 1pm. Some of the storms could be severe. High near 88. Heat index values as high as 98. Southwest wind 3 to 6 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. Increasing clouds, with a low around 68. Light south wind. Chance of precipitation is 70%. New rainfall amounts between a quarter and half 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 88. Heat index values as high as 96. Southwest wind 3 to 6 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 67. 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. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between three quarters and one inch possible.
Saturday Night
A 30 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 64. Light north wind.
Sunday
Mostly sunny, with a high near 83. Calm wind becoming north around 5 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 63. Light north wind.
Monday
Mostly sunny, with a high near 85. Light and variable wind.
Monday Night
Partly cloudy, with a low around 64. Calm wind.
Tuesday
Mostly sunny, with a high near 87. Light and variable wind.
Tuesday Night
Partly cloudy, with a low around 65. Calm wind.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87. Light and variable wind.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SSW Dorchester IA
 43.38°N 91.55°W
Last Update:
8:11 am CDT Jul 2, 2026
Forecast Valid:
8am 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