National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Severe Thunderstorms in the Midwest and Arizona; Heat Continues in the Southeast and Southwest

Thunderstorms, some severe, may lead to scattered instances of flash flooding across the Midwest and Ohio Valley and southern Arizona. The threat will shift to the Mid-Atlantic coast on Thursday. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that little-to-no relief from the scorching daytime highs will be available. Read More >

Hazardous Weather Conditions

Current conditions at

Keokuk Municipal Airport (KEOK)

Lat: 40.46°NLon: 91.43°WElev: 676ft.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Nauvoo IL

  • Overnight

    Overnight: Patchy fog after 4am. Otherwise, partly cloudy, with a steady temperature around 68. Calm wind becoming northeast around 5 mph.

    Low: 68 °F

    Patchy Fog

  • Thursday

    Thursday: Patchy fog before 9am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 82. Northeast wind around 5 mph.

    High: 82 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 65. Calm wind becoming south around 5 mph.

    Low: 65 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 85. Southwest wind 5 to 10 mph.

    High: 85 °F

    Sunny

  • Friday Night

    Friday Night: A chance of showers between 11pm and midnight. Partly cloudy, with a low around 67. Chance of precipitation is 30%.

    Low: 67 °F

    Chance
    Showers then
    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 62.

    Low: 62 °F

    Partly Cloudy

Detailed Forecast

Overnight
Patchy fog after 4am. Otherwise, partly cloudy, with a steady temperature around 68. Calm wind becoming northeast around 5 mph.
Thursday
Patchy fog before 9am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 82. Northeast wind around 5 mph.
Thursday Night
Mostly clear, with a low around 65. Calm wind becoming south around 5 mph.
Friday
Sunny, with a high near 85. Southwest wind 5 to 10 mph.
Friday Night
A chance of showers between 11pm and midnight. Partly cloudy, with a low around 67. Chance of precipitation is 30%.
Saturday
Sunny, with a high near 82.
Saturday Night
Mostly clear, with a low around 62.
Sunday
Mostly sunny, with a high near 80.
Sunday Night
Partly cloudy, with a low around 62.
Monday
Mostly sunny, with a high near 79.
Monday Night
Partly cloudy, with a low around 64.
Tuesday
Mostly sunny, with a high near 83.
Tuesday Night
Partly cloudy, with a low around 66.
Wednesday
Mostly sunny, with a high near 84.
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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:
1:26 am CDT Aug 20, 2026
Forecast Valid:
3am CDT Aug 20, 2026-6pm CDT Aug 26, 2026
 
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