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.

Light Rain Fog/Mist

68°F

20°C

Humidity 100%
Wind Speed NE 3 mph
Barometer 29.90 in
Dewpoint 68°F (20°C)
Visibility 6.00 mi
Last update 20 Sep 5:15 am CDT
Extended Forecast for

Keokuk IA

  • Overnight

    Overnight: A 50 percent chance of showers and thunderstorms. Some of the storms could produce heavy rainfall.  Patchy fog.  Otherwise, mostly cloudy, with a low around 69. North wind around 5 mph.

    Low: 69 °F

    Heavy Rain
    and Patchy
    Fog

  • Sunday

    Sunday: Showers and thunderstorms likely before 9am, then a chance of showers. Some of the storms could produce heavy rainfall.  Patchy fog before 9am.  Otherwise, mostly cloudy, with a high near 77. Northwest wind 5 to 10 mph becoming northeast in the afternoon.  Chance of precipitation is 70%.

    High: 77 °F

    Heavy Rain
    and Patchy
    Fog then
    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am, then a chance of showers and thunderstorms after 1am.  Cloudy, with a low around 62. Northeast wind around 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 50%.

    Low: 62 °F

    Chance
    Showers

  • Monday

    Monday: A 30 percent chance of showers, mainly between 7am and 9am.  Mostly cloudy, with a high near 66. Northeast wind around 10 mph, with gusts as high as 20 mph.

    High: 66 °F

    Chance
    Showers then
    Mostly Cloudy

  • Monday Night

    Monday Night: A chance of showers before 7pm, then a chance of showers after 1am.  Mostly cloudy, with a low around 57. Chance of precipitation is 30%.

    Low: 57 °F

    Chance
    Showers

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 64.

    High: 64 °F

    Mostly Cloudy

  • Tuesday Night

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

    Low: 51 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy

Detailed Forecast

Overnight
A 50 percent chance of showers and thunderstorms. Some of the storms could produce heavy rainfall. Patchy fog. Otherwise, mostly cloudy, with a low around 69. North wind around 5 mph.
Sunday
Showers and thunderstorms likely before 9am, then a chance of showers. Some of the storms could produce heavy rainfall. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 77. Northwest wind 5 to 10 mph becoming northeast in the afternoon. Chance of precipitation is 70%.
Sunday Night
A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am, then a chance of showers and thunderstorms after 1am. Cloudy, with a low around 62. Northeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.
Monday
A 30 percent chance of showers, mainly between 7am and 9am. Mostly cloudy, with a high near 66. Northeast wind around 10 mph, with gusts as high as 20 mph.
Monday Night
A chance of showers before 7pm, then a chance of showers after 1am. Mostly cloudy, with a low around 57. Chance of precipitation is 30%.
Tuesday
Mostly cloudy, with a high near 64.
Tuesday Night
Partly cloudy, with a low around 51.
Wednesday
Mostly sunny, with a high near 68.
Wednesday Night
Partly cloudy, with a low around 52.
Thursday
Partly sunny, with a high near 68.
Thursday Night
Mostly cloudy, with a low around 55.
Friday
Partly sunny, with a high near 71.
Friday Night
Partly cloudy, with a low around 55.
Saturday
Partly sunny, with a high near 73.
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ABOUT THIS FORECAST

 
Point Forecast:
Keokuk IA
 40.41°N 91.39°W (Elev. 650 ft)
4:31 am CDT Sep 20, 2026
5am CDT Sep 20, 2026-6pm CDT Sep 26, 2026
 
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Additional Resources

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