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

Dangerously Hot Weekend - Be Prepared!

Heat Advisories and Warnings are in effect this weekend with hot and humid conditions expected. This heat will be dangerous - children, the elderly, and pets are especially susceptible. Be sure to check on them! Read More >

Hazardous Weather Conditions

Current conditions at

Prairie Du Chien Municipal Airport (KPDC)

Lat: 43.02°NLon: 91.12°WElev: 659ft.

Fair

90°F

32°C

Humidity 57%
Wind Speed S 10 G 23 mph
Barometer 29.69 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index98°F (37°C)
Last update 21 Jun 12:55 pm CDT
Extended Forecast for

Garnavillo IA

Heat Advisory until June 22, 09:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory until June 22, 09:00pm

    NOW until 9:00pm Sun

    Heat Advisory

  • This Afternoon

    High: 96 °F

    Hot and
    Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 77. Breezy, with a southwest wind 14 to 21 mph, with gusts as high as 32 mph.

    Low: 77 °F

    Mostly Clear
    and Breezy

  • Sunday

    Sunday: Sunny and hot, with a high near 96. Heat index values as high as 104. Breezy, with a south wind 14 to 21 mph, with gusts as high as 31 mph.

    High: 96 °F

    Hot and
    Breezy

  • Sunday Night

    Sunday Night: Clear, with a low around 77. Breezy, with a south wind 15 to 18 mph, with gusts as high as 28 mph.

    Low: 77 °F

    Clear and
    Breezy

  • Monday

    Monday: A 50 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 92. Southwest wind around 15 mph, with gusts as high as 24 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 92 °F

    Sunny then
    Chance
    T-storms

  • Monday Night

    Monday Night: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 10pm. Low around 68. West wind 6 to 9 mph becoming north after midnight. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 68 °F

    T-storms
    Likely then
    Showers

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 81. Northeast wind around 6 mph becoming southwest in the afternoon. Chance of precipitation is 70%.

    High: 81 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm. Low around 68. Northeast wind around 6 mph becoming south after midnight. Chance of precipitation is 80%.

    Low: 68 °F

    Showers

Detailed Forecast

This Afternoon
Sunny and hot, with a high near 96. Heat index values as high as 104. Breezy, with a south wind 21 to 25 mph, with gusts as high as 38 mph.
Tonight
Mostly clear, with a low around 77. Breezy, with a southwest wind 14 to 21 mph, with gusts as high as 32 mph.
Sunday
Sunny and hot, with a high near 96. Heat index values as high as 104. Breezy, with a south wind 14 to 21 mph, with gusts as high as 31 mph.
Sunday Night
Clear, with a low around 77. Breezy, with a south wind 15 to 18 mph, with gusts as high as 28 mph.
Monday
A 50 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 92. Southwest wind around 15 mph, with gusts as high as 24 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday Night
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 10pm. Low around 68. West wind 6 to 9 mph becoming north after midnight. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Tuesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 81. Northeast wind around 6 mph becoming southwest in the afternoon. Chance of precipitation is 70%.
Tuesday Night
Showers and possibly a thunderstorm. Low around 68. Northeast wind around 6 mph becoming south after midnight. Chance of precipitation is 80%.
Wednesday
Showers and possibly a thunderstorm. High near 85. Southwest wind 6 to 9 mph. Chance of precipitation is 80%.
Wednesday Night
Showers and possibly a thunderstorm. Low around 69. South wind 6 to 8 mph. Chance of precipitation is 80%.
Thursday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 84. Southwest wind 9 to 11 mph. Chance of precipitation is 70%.
Thursday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 65. West wind 6 to 9 mph. Chance of precipitation is 60%.
Friday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 82. Northwest wind around 7 mph becoming southwest in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Garnavillo IA
 42.86°N 91.24°W
Last Update:
11:58 am CDT Jun 21, 2025
Forecast Valid:
1pm CDT Jun 21, 2025-6pm CDT Jun 27, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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