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.

Partly Cloudy

39°F

4°C

Humidity 65%
Wind Speed SW 8 mph
Barometer 30.17 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill33°F (1°C)
Last update 19 Apr 4:55 am CDT
Extended Forecast for

4 Miles SSE Williamstown MO

  • Today

    Today: Areas of frost before 8am. Otherwise, increasing clouds, with a high near 62. West wind 6 to 16 mph becoming northwest in the afternoon. Winds could gust as high as 29 mph.

    High: 62 °F

    Areas Frost
    then Mostly
    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 35. North wind 5 to 7 mph becoming calm in the evening.

    Low: 35 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 67. Light east wind becoming southeast 5 to 9 mph in the morning. Winds could gust as high as 20 mph.

    High: 67 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 52. South wind 7 to 10 mph, with gusts as high as 24 mph.

    Low: 52 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 78. Southwest wind 10 to 14 mph, with gusts as high as 25 mph.

    High: 78 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 60.

    Low: 60 °F

    Partly Cloudy

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny
    then Chance
    Showers

Detailed Forecast

Today
Areas of frost before 8am. Otherwise, increasing clouds, with a high near 62. West wind 6 to 16 mph becoming northwest in the afternoon. Winds could gust as high as 29 mph.
Tonight
Partly cloudy, with a low around 35. North wind 5 to 7 mph becoming calm in the evening.
Monday
Sunny, with a high near 67. Light east wind becoming southeast 5 to 9 mph in the morning. Winds could gust as high as 20 mph.
Monday Night
Mostly clear, with a low around 52. South wind 7 to 10 mph, with gusts as high as 24 mph.
Tuesday
Sunny, with a high near 78. Southwest wind 10 to 14 mph, with gusts as high as 25 mph.
Tuesday Night
Mostly clear, with a low around 56.
Wednesday
Sunny, with a high near 79.
Wednesday Night
Partly cloudy, with a low around 60.
Thursday
A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 80.
Thursday Night
Showers and possibly a thunderstorm. Low around 55. Chance of precipitation is 80%.
Friday
Showers likely. Mostly cloudy, with a high near 69. Chance of precipitation is 60%.
Friday Night
A 40 percent chance of showers. Partly cloudy, with a low around 44.
Saturday
Mostly sunny, with a high near 66.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSE Williamstown MO
 40.16°N 91.83°W (Elev. 705 ft)
Last Update:
5:11 am CDT Apr 19, 2026
Forecast Valid:
5am CDT Apr 19, 2026-6pm CDT Apr 25, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation