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.

Rain

70°F

21°C

Humidity 89%
Wind Speed NE 10 G 21 mph
Barometer 29.98 in
Dewpoint 66°F (19°C)
Visibility 1.25 mi
Last update 4 Jul 6:15 pm CDT
Extended Forecast for

Harpers Ferry IA

  • Tonight

    Tonight: Scattered showers and thunderstorms, mainly before 7pm. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 64. Calm wind. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 64 °F

    Scattered
    T-storms then
    Isolated
    T-storms and
    Patchy Fog

  • Sunday

    Sunday: A slight chance of showers and thunderstorms before 9am, then a slight chance of showers and thunderstorms after 5pm. Patchy fog before 8am. Otherwise, partly sunny, with a high near 84. Light northeast wind. Chance of precipitation is 20%.

    High: 84 °F

    Slight Chance
    T-storms and
    Patchy Fog

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 62. Light and variable wind.

    Low: 62 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 85. Calm wind.

    High: 85 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 61. Calm wind.

    Low: 61 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 87. Calm wind.

    High: 87 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 64. Calm wind.

    Low: 64 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 87. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 87 °F

    Mostly Sunny
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 65. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 70%.

    Low: 65 °F

    Showers
    Likely

Detailed Forecast

Tonight
Scattered showers and thunderstorms, mainly before 7pm. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 64. Calm wind. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
A slight chance of showers and thunderstorms before 9am, then a slight chance of showers and thunderstorms after 5pm. Patchy fog before 8am. Otherwise, partly sunny, with a high near 84. Light northeast wind. Chance of precipitation is 20%.
Sunday Night
Mostly clear, with a low around 62. Light and variable wind.
Monday
Sunny, with a high near 85. Calm wind.
Monday Night
Mostly clear, with a low around 61. Calm wind.
Tuesday
Mostly sunny, with a high near 87. Calm wind.
Tuesday Night
Partly cloudy, with a low around 64. Calm wind.
Wednesday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 87. Calm wind becoming southwest around 6 mph in the afternoon.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 65. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 70%.
Thursday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 84. Light and variable wind becoming west around 5 mph in the morning. Chance of precipitation is 50%.
Thursday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 63. Light northeast wind.
Friday
Mostly sunny, with a high near 84. Light and variable wind.
Friday Night
Partly cloudy, with a low around 62. Calm wind.
Saturday
Mostly sunny, with a high near 85. Calm wind becoming west around 5 mph in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Harpers Ferry IA
 43.2°N 91.17°W
Last Update:
6:11 pm CDT Jul 4, 2026
Forecast Valid:
6pm CDT Jul 4, 2026-6pm CDT Jul 11, 2026
 
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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