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.

68°F

20°C

Humidity 83%
Wind Speed N 7 mph
Barometer 30.07 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 14 Oct 12:55 pm CDT
Extended Forecast for

Williamstown MO

  • This Afternoon

    This Afternoon: Cloudy, with a high near 68. North wind around 6 mph.

    High: 68 °F

    Cloudy

  • Tonight

    Tonight: A chance of showers before 4am, then a chance of showers and thunderstorms between 4am and 5am, then showers likely and possibly a thunderstorm after 5am. Cloudy, with a low around 60. Northeast wind 3 to 5 mph. Chance of precipitation is 60%.

    Low: 60 °F

    Cloudy then
    Showers
    Likely

  • Thursday

    Thursday: Showers and possibly a thunderstorm, mainly before noon, then a chance of showers and thunderstorms after noon. High near 71. East wind around 6 mph becoming southwest in the afternoon. Chance of precipitation is 90%.

    High: 71 °F

    Showers then
    Chance
    Showers

  • Thursday Night

    Thursday Night: A 30 percent chance of showers, mainly before 9pm. Cloudy, then gradually becoming partly cloudy, with a low around 45. Northwest wind 8 to 14 mph, with gusts as high as 28 mph.

    Low: 45 °F

    Chance
    Showers then
    Mostly Cloudy

  • Friday

    Friday: A 20 percent chance of showers after 1pm. Partly sunny, with a high near 53. Northwest wind 14 to 17 mph, with gusts as high as 34 mph.

    High: 53 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 37.

    Low: 37 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 60.

    High: 60 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 41.

    Low: 41 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 68.

    High: 68 °F

    Sunny

Detailed Forecast

This Afternoon
Cloudy, with a high near 68. North wind around 6 mph.
Tonight
A chance of showers before 4am, then a chance of showers and thunderstorms between 4am and 5am, then showers likely and possibly a thunderstorm after 5am. Cloudy, with a low around 60. Northeast wind 3 to 5 mph. Chance of precipitation is 60%.
Thursday
Showers and possibly a thunderstorm, mainly before noon, then a chance of showers and thunderstorms after noon. High near 71. East wind around 6 mph becoming southwest in the afternoon. Chance of precipitation is 90%.
Thursday Night
A 30 percent chance of showers, mainly before 9pm. Cloudy, then gradually becoming partly cloudy, with a low around 45. Northwest wind 8 to 14 mph, with gusts as high as 28 mph.
Friday
A 20 percent chance of showers after 1pm. Partly sunny, with a high near 53. Northwest wind 14 to 17 mph, with gusts as high as 34 mph.
Friday Night
Partly cloudy, with a low around 37.
Saturday
Sunny, with a high near 60.
Saturday Night
Clear, with a low around 41.
Sunday
Sunny, with a high near 68.
Sunday Night
Partly cloudy, with a low around 48.
Monday
Partly sunny, with a high near 70.
Monday Night
Partly cloudy, with a low around 49.
Tuesday
Sunny, with a high near 75.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Williamstown MO
 40.2°N 91.86°W (Elev. 676 ft)
Last Update:
11:31 am CDT Oct 14, 2026
Forecast Valid:
1pm CDT Oct 14, 2026-6pm CDT Oct 20, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation