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

Keokuk Municipal Airport (KEOK)

Lat: 40.46°NLon: 91.43°WElev: 676ft.

Fair

63°F

17°C

Humidity 39%
Wind Speed SE 15 mph
Barometer 30.17 in
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 20 Apr 3:35 pm CDT
Extended Forecast for

Monticello MO

  • Tonight

    Tonight: Increasing clouds, with a low around 53. Southwest wind 8 to 11 mph, with gusts as high as 25 mph.

    Low: 53 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Sunny, with a high near 79. Southwest wind 10 to 16 mph, with gusts as high as 30 mph.

    High: 79 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 57. Southwest wind 9 to 11 mph, with gusts as high as 23 mph.

    Low: 57 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: Mostly sunny, with a high near 78. Southwest wind 7 to 9 mph.

    High: 78 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 60. South wind 6 to 8 mph.

    Low: 60 °F

    Mostly Clear

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm. Low around 57. Chance of precipitation is 90%.

    Low: 57 °F

    Showers

  • Friday

    Friday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 70. Chance of precipitation is 60%.

    High: 70 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A 30 percent chance of showers, mainly before 1am. Partly cloudy, with a low around 47.

    Low: 47 °F

    Chance
    Showers

Detailed Forecast

Tonight
Increasing clouds, with a low around 53. Southwest wind 8 to 11 mph, with gusts as high as 25 mph.
Tuesday
Sunny, with a high near 79. Southwest wind 10 to 16 mph, with gusts as high as 30 mph.
Tuesday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 57. Southwest wind 9 to 11 mph, with gusts as high as 23 mph.
Wednesday
Mostly sunny, with a high near 78. Southwest wind 7 to 9 mph.
Wednesday Night
Mostly clear, with a low around 60. South wind 6 to 8 mph.
Thursday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 81.
Thursday Night
Showers and possibly a thunderstorm. Low around 57. Chance of precipitation is 90%.
Friday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 70. Chance of precipitation is 60%.
Friday Night
A 30 percent chance of showers, mainly before 1am. Partly cloudy, with a low around 47.
Saturday
A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 67.
Saturday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 47.
Sunday
A 30 percent chance of showers. Partly sunny, with a high near 66.
Sunday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 49.
Monday
A 40 percent chance of showers. Mostly cloudy, with a high near 64.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Monticello MO
 40.11°N 91.72°W (Elev. 564 ft)
Last Update:
2:56 pm CDT Apr 20, 2026
Forecast Valid:
3pm CDT Apr 20, 2026-6pm CDT Apr 27, 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