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Widespread Showers and Thunderstorms in Southern California and the Southern Plains into the Mississippi Valley

Isolated strong to severe thunderstorms and widespread heavy rainfall are possible across the southern Plains into Arkansas. Widespread showers with a slight chance of thunderstorms are possible across southern California. Urban flooding, rock and mudslides as well as minor debris flows near burn scars are possible. Read More >

Hazardous Weather Conditions

Current conditions at

Fort Madison Municipal Airport (KFSW)

Lat: 40.66°NLon: 91.33°WElev: 719ft.

Fog/Mist

46°F

8°C

Humidity 100%
Wind Speed N 7 mph
Barometer 30.04 in
Dewpoint 46°F (8°C)
Visibility 2.00 mi
Wind Chill42°F (6°C)
Last update 21 Nov 2:35 am CST
Extended Forecast for

Nauvoo IL

Dense Fog Advisory until November 21, 09:00am
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory until November 21, 09:00am

    NOW until 9:00am Fri

    Dense Fog Advisory

  • Overnight

    Low: 48 °F

    Patchy Dense
    Fog

  • Friday

    Friday: Rain likely, mainly after 3pm. Patchy dense fog before 11am. Otherwise, cloudy, with a temperature falling to around 45 by 5pm. Northeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    High: 48 °F⇓

    Rain Likely
    and Patchy
    Dense Fog

  • Friday Night

    Friday Night: Rain likely, mainly before 9pm. Cloudy during the early evening, then gradual clearing, with a low around 33. North wind 5 to 10 mph. Chance of precipitation is 60%.

    Low: 33 °F

    Rain Likely
    then Partly
    Cloudy

  • Saturday

    Saturday: Sunny, with a high near 55. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 55 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 38.

    Low: 38 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 60.

    High: 60 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 42.

    Low: 42 °F

    Mostly Cloudy

  • Monday

    Monday: A 50 percent chance of rain. Mostly cloudy, with a high near 55.

    High: 55 °F

    Chance Rain

Detailed Forecast

Overnight
Patchy dense fog. Otherwise, cloudy, with a low around 48. Northeast wind around 5 mph.
Friday
Rain likely, mainly after 3pm. Patchy dense fog before 11am. Otherwise, cloudy, with a temperature falling to around 45 by 5pm. Northeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Friday Night
Rain likely, mainly before 9pm. Cloudy during the early evening, then gradual clearing, with a low around 33. North wind 5 to 10 mph. Chance of precipitation is 60%.
Saturday
Sunny, with a high near 55. Calm wind becoming southwest around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 38.
Sunday
Sunny, with a high near 60.
Sunday Night
Mostly cloudy, with a low around 42.
Monday
A 50 percent chance of rain. Mostly cloudy, with a high near 55.
Monday Night
Rain likely, mainly before midnight. Mostly cloudy, with a low around 47. Chance of precipitation is 70%.
Tuesday
Partly sunny, with a high near 56.
Tuesday Night
Mostly cloudy, with a low around 32.
Wednesday
Mostly sunny, with a high near 42.
Wednesday Night
Partly cloudy, with a low around 27.
Thanksgiving Day
Mostly sunny, with a high near 39.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Nauvoo IL
 40.55°N 91.39°W (Elev. 568 ft)
Last Update:
9:51 pm CST Nov 20, 2025
Forecast Valid:
2am CST Nov 21, 2025-6pm CST Nov 27, 2025
 
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