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.

Fair

73°F

23°C

Humidity 94%
Wind Speed SE 8 mph
Barometer 29.92 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Last update 19 Sep 3:15 am CDT
Extended Forecast for

3 Miles ENE Saint Patrick MO

  • Overnight

    Overnight: Patchy fog after 4am.  Otherwise, mostly cloudy, with a low around 72. South wind around 5 mph.

    Low: 72 °F

    Patchy Fog

  • Saturday

    Saturday: Patchy fog before 7am.  Otherwise, mostly cloudy, with a high near 89. South wind 5 to 10 mph.

    High: 89 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am.  Increasing clouds, with a low around 69. South wind around 5 mph becoming calm.  Chance of precipitation is 60%.

    Low: 69 °F

    Chance
    T-storms then
    Showers
    Likely

  • Sunday

    Sunday: Showers and thunderstorms likely before 3pm, then showers likely and possibly a thunderstorm between 3pm and 4pm, then a chance of showers and thunderstorms after 4pm.  Mostly cloudy, with a high near 77. Northeast wind 5 to 10 mph.  Chance of precipitation is 70%.

    High: 77 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am, then showers likely and possibly a thunderstorm after 1am.  Cloudy, with a low around 62. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 62 °F

    Chance
    T-storms then
    Showers
    Likely

  • Monday

    Monday: Showers likely, mainly before 1pm.  Cloudy, with a high near 66. Chance of precipitation is 60%.

    High: 66 °F

    Showers
    Likely

  • Monday Night

    Monday Night: A 40 percent chance of showers after 1am.  Mostly cloudy, with a low around 56.

    Low: 56 °F

    Mostly Cloudy
    then Chance
    Showers

  • Tuesday

    Tuesday: Partly sunny, with a high near 64.

    High: 64 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy

Detailed Forecast

Overnight
Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 72. South wind around 5 mph.
Saturday
Patchy fog before 7am. Otherwise, mostly cloudy, with a high near 89. South wind 5 to 10 mph.
Saturday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Increasing clouds, with a low around 69. South wind around 5 mph becoming calm. Chance of precipitation is 60%.
Sunday
Showers and thunderstorms likely before 3pm, then showers likely and possibly a thunderstorm between 3pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly cloudy, with a high near 77. Northeast wind 5 to 10 mph. 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 showers likely and possibly a thunderstorm after 1am. Cloudy, with a low around 62. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Monday
Showers likely, mainly before 1pm. Cloudy, with a high near 66. Chance of precipitation is 60%.
Monday Night
A 40 percent chance of showers after 1am. Mostly cloudy, with a low around 56.
Tuesday
Partly sunny, with a high near 64.
Tuesday Night
Partly cloudy, with a low around 50.
Wednesday
Mostly sunny, with a high near 68.
Wednesday Night
Partly cloudy, with a low around 54.
Thursday
Partly sunny, with a high near 71.
Thursday Night
Partly cloudy, with a low around 58.
Friday
Partly sunny, with a high near 74.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ENE Saint Patrick MO
 40.35°N 91.62°W (Elev. 630 ft)
1:51 am CDT Sep 19, 2026
3am CDT Sep 19, 2026-6pm CDT Sep 25, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database