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

Prairie Du Chien Municipal Airport (KPDC)

Lat: 43.02°NLon: 91.12°WElev: 659ft.

Partly Cloudy

74°F

23°C

Humidity 94%
Wind Speed Calm
Barometer 29.89 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Last update 2 Sep 8:55 pm CDT
Extended Forecast for

4 Miles WSW Harpers Ferry IA

  • Tonight

    Tonight: Partly cloudy, with a low around 67. Calm wind.

    Low: 67 °F

    Partly Cloudy

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms, mainly before noon. Partly sunny, with a high near 88. Heat index values as high as 98. Calm wind becoming south around 5 mph in the afternoon. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 88 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: Showers and thunderstorms likely, mainly before 3am, then showers likely and possibly a thunderstorm after 5am. Increasing clouds, with a low around 68. Calm wind. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 68 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Friday

    Friday: A chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 92. Heat index values as high as 105. Calm wind. Chance of precipitation is 30%.

    High: 92 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 67. Calm wind. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 67 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 91. Calm wind.

    High: 91 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 65. Calm wind.

    Low: 65 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 88. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 88 °F

    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 64. Calm wind.

    Low: 64 °F

    Slight Chance
    T-storms then
    Chance
    Showers

Detailed Forecast

Tonight
Partly cloudy, with a low around 67. Calm wind.
Thursday
A 40 percent chance of showers and thunderstorms, mainly before noon. Partly sunny, with a high near 88. Heat index values as high as 98. Calm wind becoming south around 5 mph in the afternoon. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers and thunderstorms likely, mainly before 3am, then showers likely and possibly a thunderstorm after 5am. Increasing clouds, with a low around 68. Calm wind. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
A chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 92. Heat index values as high as 105. Calm wind. Chance of precipitation is 30%.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 67. Calm wind. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
Mostly sunny, with a high near 91. Calm wind.
Saturday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 65. Calm wind.
Sunday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 88. Calm wind becoming southeast around 5 mph in the afternoon.
Sunday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 64. Calm wind.
Labor Day
A 20 percent chance of showers before 1pm. Partly sunny, with a high near 85. Calm wind becoming southeast around 6 mph in the afternoon.
Monday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Southeast wind around 6 mph.
Tuesday
A 30 percent chance of showers. Partly sunny, with a high near 85. South wind 5 to 9 mph.
Tuesday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 64. South wind 6 to 9 mph becoming west after midnight.
Wednesday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 85. West wind 5 to 8 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW Harpers Ferry IA
 43.18°N 91.23°W
Last Update:
6:36 pm CDT Sep 2, 2026
Forecast Valid:
9pm CDT Sep 2, 2026-6pm CDT Sep 9, 2026
 
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