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

Hazardous Weather Conditions

Current conditions at

Keokuk Municipal Airport (KEOK)

Lat: 40.46°NLon: 91.43°WElev: 676ft.

Fair

66°F

19°C

Humidity 88%
Wind Speed E 3 mph
Barometer 29.93 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 21 Jun 12:55 am CDT
Extended Forecast for

4 Miles ESE Williamstown MO

Flood Watch until June 21, 07:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch until June 21, 07:00pm

    NOW until 7:00pm Sun

    Flood Watch

  • Overnight

    Low: 64 °F

    T-storms
    Likely

  • Sunday

    Sunday: Showers and thunderstorms, mainly before 4pm. Some of the storms could produce heavy rainfall. High near 71. East wind 9 to 13 mph becoming north in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 100%.

    High: 71 °F

    Heavy Rain

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms, mainly before 10pm. Cloudy, with a low around 57. North wind around 9 mph, with gusts as high as 21 mph.

    Low: 57 °F

    Chance
    T-storms then
    Cloudy

  • Monday

    Monday: Partly sunny, with a high near 75. North wind 6 to 8 mph.

    High: 75 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 58. Light northeast wind.

    Low: 58 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 61.

    Low: 61 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

Detailed Forecast

Overnight
Showers and thunderstorms likely, mainly after 5am. Mostly cloudy, with a low around 64. East wind 3 to 5 mph. Chance of precipitation is 60%.
Sunday
Showers and thunderstorms, mainly before 4pm. Some of the storms could produce heavy rainfall. High near 71. East wind 9 to 13 mph becoming north in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 100%.
Sunday Night
A 30 percent chance of showers and thunderstorms, mainly before 10pm. Cloudy, with a low around 57. North wind around 9 mph, with gusts as high as 21 mph.
Monday
Partly sunny, with a high near 75. North wind 6 to 8 mph.
Monday Night
Mostly clear, with a low around 58. Light northeast wind.
Tuesday
Sunny, with a high near 78.
Tuesday Night
Partly cloudy, with a low around 61.
Wednesday
Mostly sunny, with a high near 79.
Wednesday Night
Mostly clear, with a low around 59.
Thursday
Mostly sunny, with a high near 79.
Thursday Night
Partly cloudy, with a low around 59.
Friday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 81.
Friday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 64.
Saturday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 82.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ESE Williamstown MO
 40.18°N 91.8°W (Elev. 650 ft)
Last Update:
11:51 pm CDT Jun 20, 2026
Forecast Valid:
1am CDT Jun 21, 2026-6pm CDT Jun 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