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

Hazardous Weather Conditions

Current conditions at

Prairie Du Chien Municipal Airport (KPDC)

Lat: 43.02°NLon: 91.12°WElev: 659ft.

Fair

77°F

25°C

Humidity 91%
Wind Speed E 6 mph
Barometer 29.78 in
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 29 Jun 2:15 am CDT
Extended Forecast for

Harpers Ferry IA

Extreme Heat Warning June 29, 08:00am until June 30, 09:00pm
Click here for hazard details and duration
Extreme Heat Warning

  • Overnight

    Overnight: Partly cloudy, with a low around 74. South wind around 5 mph.

    Low: 74 °F

    Partly Cloudy

  • Monday

    Monday: Sunny and hot, with a high near 95. Heat index values as high as 112. South wind 6 to 13 mph, with gusts as high as 24 mph.

    High: 95 °F

    Hot

  • Monday Night

    Monday Night: Increasing clouds, with a low around 76. South wind 5 to 13 mph, with gusts as high as 23 mph.

    Low: 76 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Mostly sunny and hot, with a high near 95. Heat index values as high as 107. South wind 5 to 10 mph, with gusts as high as 21 mph.

    High: 95 °F

    Hot

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 74. Southwest wind 5 to 8 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 74 °F

    Chance
    T-storms then
    Chance
    Showers

  • Wednesday

    Wednesday: A slight chance of showers and thunderstorms. Mostly sunny, with a high near 94. Light southwest wind becoming south 8 to 13 mph in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 20%.

    High: 94 °F

    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers, with thunderstorms also possible after 1am. Partly cloudy, with a low around 74. South wind 7 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 50%.

    Low: 74 °F

    Chance
    Showers then
    Chance
    T-storms

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 93. Southwest wind 6 to 8 mph.

    High: 93 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 71. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.

    Low: 71 °F

    Chance
    T-storms then
    Showers
    Likely

Detailed Forecast

Overnight
Partly cloudy, with a low around 74. South wind around 5 mph.
Monday
Sunny and hot, with a high near 95. Heat index values as high as 112. South wind 6 to 13 mph, with gusts as high as 24 mph.
Monday Night
Increasing clouds, with a low around 76. South wind 5 to 13 mph, with gusts as high as 23 mph.
Tuesday
Mostly sunny and hot, with a high near 95. Heat index values as high as 107. South wind 5 to 10 mph, with gusts as high as 21 mph.
Tuesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 74. Southwest wind 5 to 8 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 94. Light southwest wind becoming south 8 to 13 mph in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 20%.
Wednesday Night
A chance of showers, with thunderstorms also possible after 1am. Partly cloudy, with a low around 74. South wind 7 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 50%.
Thursday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 93. Southwest wind 6 to 8 mph.
Thursday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 71. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.
Friday
A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 90. Southwest wind 3 to 7 mph. Chance of precipitation is 30%.
Friday Night
A 40 percent chance of showers and thunderstorms. Mostly clear, with a low around 70. South wind around 5 mph becoming calm in the evening.
Independence Day
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Saturday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 68. South wind around 5 mph becoming calm in the evening.
Sunday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86. West wind 3 to 6 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Harpers Ferry IA
 43.2°N 91.14°W
Last Update:
1:26 am CDT Jun 29, 2026
Forecast Valid:
2am CDT Jun 29, 2026-6pm CDT Jul 5, 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