Dangerous Heat and Heavy Rainfall into the Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend. Heat Advisories remain in effect. Heavy to excessive rainfall occurring at times through the weekend could bring areas of flooding to parts of the northern Rockies, upper Midwest, central Great Lakes, and southern New England. Read More >

Current conditions at

Prairie Du Chien Municipal Airport (KPDC)

Lat: 43.02°NLon: 91.12°WElev: 659ft.

Overcast

66°F

19°C

Humidity 81%
Wind Speed SE 9 G 20 mph
Barometer 30.17 in
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 18 Sep 1:15 pm CDT
Extended Forecast for

Colesburg IA

Flood Watch September 19, 01:00am until September 19, 07:00pm
Click here for hazard details and duration
Flood Watch
  • This Afternoon

    This Afternoon: Showers likely and possibly a thunderstorm before 2pm, then a slight chance of showers and thunderstorms after 2pm.  Mostly cloudy, with a high near 68. Southeast wind around 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 70%.

    High: 68 °F

    Showers
    Likely

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am.  Low around 64. East wind 10 to 15 mph, with gusts as high as 20 mph.  Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 64 °F

    Chance
    T-storms then
    Showers

  • Saturday

    Saturday: Showers and thunderstorms before 2pm, then showers and possibly a thunderstorm, mainly after 2pm.  High near 77. Southeast wind around 10 mph becoming southwest in the afternoon.  Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 77 °F

    Showers

  • Saturday Night

    Saturday Night: Showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 4am, then showers likely after 4am.  Low around 60. Northeast wind around 10 mph.  Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 60 °F

    Showers

  • Sunday

    Sunday: A 50 percent chance of showers before 1pm.  Mostly cloudy, with a high near 66.

    High: 66 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 54.

    Low: 54 °F

    Mostly Cloudy

  • Monday

    Monday: A 50 percent chance of showers.  Mostly cloudy, with a high near 62.

    High: 62 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A 40 percent chance of showers.  Mostly cloudy, with a low around 49.

    Low: 49 °F

    Chance
    Showers

  • Tuesday

    Tuesday: Partly sunny, with a high near 61.

    High: 61 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Showers likely and possibly a thunderstorm before 2pm, then a slight chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 68. Southeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.
Tonight
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 64. East wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday
Showers and thunderstorms before 2pm, then showers and possibly a thunderstorm, mainly after 2pm. High near 77. Southeast wind around 10 mph becoming southwest in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Saturday Night
Showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 4am, then showers likely after 4am. Low around 60. Northeast wind around 10 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday
A 50 percent chance of showers before 1pm. Mostly cloudy, with a high near 66.
Sunday Night
Mostly cloudy, with a low around 54.
Monday
A 50 percent chance of showers. Mostly cloudy, with a high near 62.
Monday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 49.
Tuesday
Partly sunny, with a high near 61.
Tuesday Night
Partly cloudy, with a low around 46.
Wednesday
Mostly sunny, with a high near 65.
Wednesday Night
Partly cloudy, with a low around 50.
Thursday
Mostly sunny, with a high near 66.
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ABOUT THIS FORECAST

 
Point Forecast:
Colesburg IA
 42.64°N 91.19°W (Elev. 1148 ft)
1:27 pm CDT Sep 18, 2026
1pm CDT Sep 18, 2026-6pm CDT Sep 24, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database