Heavy to Excessive Rains in The Four Corners Region and Midwest; Heat Persists in the South-Central U.S.

Repeated rounds of showers and thunderstorms could bring a flash flooding threat across the Four Corners region and from the mid-Mississippi Valley into the lower Great Lakes. Hot temperatures and high humidity will continue to challenge daily records from the Southern Plains to the lower Mississippi Valley. Read More >

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

Monticello MO

  • This Afternoon

    This Afternoon: A 30 percent chance of showers before 2pm.  Partly sunny, with a high near 80. Light and variable wind.

    High: 80 °F

    Chance
    Showers

  • Tonight

    Tonight: Partly cloudy, with a low around 70. Calm wind.

    Low: 70 °F

    Partly Cloudy

  • Thursday

    Thursday: A chance of showers and thunderstorms before 11am, then a slight chance of showers and thunderstorms after 2pm.  Partly sunny, with a high near 87. Heat index values as high as 100. Light and variable wind.  Chance of precipitation is 30%.

    High: 87 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 40 percent chance of showers and thunderstorms, mainly between 2am and 3am. Some of the storms could produce heavy rainfall.  Partly cloudy, with a low around 70. Light northeast wind.

    Low: 70 °F

    Partly Cloudy
    then Heavy
    Rain

  • Friday

    Friday: A slight chance of showers between 7am and 1pm.  Mostly sunny, with a high near 89. East wind around 6 mph becoming south in the afternoon.  Chance of precipitation is 20%.

    High: 89 °F

    Slight Chance
    Showers

  • Friday Night

    Friday Night: Mostly clear, with a low around 72.

    Low: 72 °F

    Mostly Clear

  • Saturday

    Saturday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm.  Partly sunny, with a high near 90. Chance of precipitation is 30%.

    High: 90 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am.  Mostly cloudy, with a low around 68. Chance of precipitation is 70%.

    Low: 68 °F

    Chance
    T-storms then
    Showers
    Likely

  • Sunday

    Sunday: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a high near 79.

    High: 79 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

This Afternoon
A 30 percent chance of showers before 2pm. Partly sunny, with a high near 80. Light and variable wind.
Tonight
Partly cloudy, with a low around 70. Calm wind.
Thursday
A chance of showers and thunderstorms before 11am, then a slight chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 87. Heat index values as high as 100. Light and variable wind. Chance of precipitation is 30%.
Thursday Night
A 40 percent chance of showers and thunderstorms, mainly between 2am and 3am. Some of the storms could produce heavy rainfall. Partly cloudy, with a low around 70. Light northeast wind.
Friday
A slight chance of showers between 7am and 1pm. Mostly sunny, with a high near 89. East wind around 6 mph becoming south in the afternoon. Chance of precipitation is 20%.
Friday Night
Mostly clear, with a low around 72.
Saturday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 90. Chance of precipitation is 30%.
Saturday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 68. Chance of precipitation is 70%.
Sunday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 79.
Sunday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 64. Chance of precipitation is 60%.
Monday
A 50 percent chance of showers. Mostly cloudy, with a high near 75.
Monday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 60.
Tuesday
A 20 percent chance of showers. Mostly cloudy, with a high near 73.
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ABOUT THIS FORECAST

 
Point Forecast:
Monticello MO
 40.13°N 91.72°W (Elev. 561 ft)
1:31 pm CDT Sep 16, 2026
1pm CDT Sep 16, 2026-6pm CDT Sep 22, 2026
 
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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