Areas of Dangerous Heat and Heavy Rain with Possible Flooding into this Weekend

Hot temperatures and high humidity are forecast to continue across much of northeast Texas into the mid-Mississippi Valley into this weekend with heat advisories in effect. Heavy to excessive rainfall occurring at times through Saturday could bring areas of flooding across parts of the central Plains into the upper Midwest/Great Lakes, and Four Corners states. 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

4 Miles NE Williamstown MO

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms after 3am.  Increasing clouds, with a low around 70. Northeast wind around 6 mph becoming light and variable  after midnight.

    Low: 70 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Thursday

    Thursday: A slight chance of showers and thunderstorms before 1pm, then a slight chance of showers and thunderstorms after 3pm.  Cloudy through mid morning, then gradual clearing, with a high near 86. Light and variable wind becoming northwest around 6 mph in the afternoon.  Chance of precipitation is 20%.

    High: 86 °F

    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms between 1am and 3am. Some of the storms could produce heavy rainfall.  Increasing clouds, with a low around 69. Northeast wind around 7 mph.  Chance of precipitation is 30%.

    Low: 69 °F

    Mostly Cloudy
    then Heavy
    Rain

  • Friday

    Friday: A slight chance of showers and thunderstorms before 8am, then a slight chance of showers between 8am and 1pm.  Cloudy through mid morning, then gradual clearing, with a high near 88. East wind around 7 mph becoming south in the afternoon.  Chance of precipitation is 20%.

    High: 88 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Friday Night

    Friday Night: Mostly clear, with a low around 72. South wind 3 to 6 mph.

    Low: 72 °F

    Mostly Clear

  • Saturday

    Saturday: A chance of showers, with thunderstorms also possible after 1pm.  Partly sunny, with a high near 88. Chance of precipitation is 30%.

    High: 88 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a low around 68. Chance of precipitation is 70%.

    Low: 68 °F

    Showers
    Likely

  • Sunday

    Sunday: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a high near 78.

    High: 78 °F

    Chance
    Showers then
    Chance
    T-storms

  • Sunday Night

    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%.

    Low: 64 °F

    Chance
    T-storms then
    Showers
    Likely

Detailed Forecast

Tonight
A 20 percent chance of showers and thunderstorms after 3am. Increasing clouds, with a low around 70. Northeast wind around 6 mph becoming light and variable after midnight.
Thursday
A slight chance of showers and thunderstorms before 1pm, then a slight chance of showers and thunderstorms after 3pm. Cloudy through mid morning, then gradual clearing, with a high near 86. Light and variable wind becoming northwest around 6 mph in the afternoon. Chance of precipitation is 20%.
Thursday Night
A chance of showers and thunderstorms between 1am and 3am. Some of the storms could produce heavy rainfall. Increasing clouds, with a low around 69. Northeast wind around 7 mph. Chance of precipitation is 30%.
Friday
A slight chance of showers and thunderstorms before 8am, then a slight chance of showers between 8am and 1pm. Cloudy through mid morning, then gradual clearing, with a high near 88. East wind around 7 mph becoming south in the afternoon. Chance of precipitation is 20%.
Friday Night
Mostly clear, with a low around 72. South wind 3 to 6 mph.
Saturday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 88. Chance of precipitation is 30%.
Saturday Night
Showers likely and possibly a thunderstorm. 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 78.
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 74.
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 72.
Tuesday Night
Partly cloudy, with a low around 59.
Wednesday
A 20 percent chance of showers. Mostly sunny, with a high near 75.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NE Williamstown MO
 40.25°N 91.8°W (Elev. 705 ft)
6:06 pm CDT Sep 16, 2026
8pm CDT Sep 16, 2026-6pm CDT Sep 23, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database