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 >

Hazardous Weather Conditions

Current conditions at

Fort Madison Municipal Airport (KFSW)

Lat: 40.66°NLon: 91.33°WElev: 719ft.

Overcast

75°F

24°C

Humidity 94%
Wind Speed N 6 mph
Barometer 29.86 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Last update 19 Sep 8:35 pm CDT
Extended Forecast for

Keokuk Municipal IA

  • Tonight

    Tonight: A slight chance of showers before 11pm, then a chance of showers and thunderstorms between 11pm and 3am, then showers likely and possibly a thunderstorm after 3am.  Mostly cloudy, with a low around 69. Calm wind becoming north around 5 mph after midnight.  Chance of precipitation is 60%.

    Low: 69 °F

    Chance
    T-storms then
    Showers
    Likely

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm before 11am, then a chance of showers and thunderstorms after 11am.  Mostly cloudy, with a high near 76. North wind 5 to 10 mph.  Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 76 °F

    Showers
    Likely then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am.  Mostly cloudy, with a low around 61. Northeast wind around 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 61 °F

    Chance
    T-storms then
    Showers
    Likely

  • Monday

    Monday: Showers.  High near 66. Northeast wind around 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 66 °F

    Showers

  • Monday Night

    Monday Night: A 40 percent chance of showers.  Mostly cloudy, with a low around 56.

    Low: 56 °F

    Chance
    Showers

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 64.

    High: 64 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 51.

    Low: 51 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 67.

    High: 67 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

Detailed Forecast

Tonight
A slight chance of showers before 11pm, then a chance of showers and thunderstorms between 11pm and 3am, then showers likely and possibly a thunderstorm after 3am. Mostly cloudy, with a low around 69. Calm wind becoming north around 5 mph after midnight. Chance of precipitation is 60%.
Sunday
Showers likely and possibly a thunderstorm before 11am, then a chance of showers and thunderstorms after 11am. Mostly cloudy, with a high near 76. North wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 61. Northeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Monday
Showers. High near 66. Northeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Monday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 56.
Tuesday
Mostly cloudy, with a high near 64.
Tuesday Night
Mostly cloudy, with a low around 51.
Wednesday
Partly sunny, with a high near 67.
Wednesday Night
Partly cloudy, with a low around 54.
Thursday
Partly sunny, with a high near 71.
Thursday Night
Mostly cloudy, with a low around 58.
Friday
Partly sunny, with a high near 74.
Friday Night
Partly cloudy, with a low around 59.
Saturday
Partly sunny, with a high near 75.
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ABOUT THIS FORECAST

 
Point Forecast:
Keokuk Municipal IA
 40.46°N 91.42°W (Elev. 650 ft)
8:05 pm CDT Sep 19, 2026
8pm CDT Sep 19, 2026-6pm CDT Sep 26, 2026
 
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Additional Resources

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