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

5 Miles WNW Williamstown MO

  • Overnight

    Overnight: Partly cloudy, with a low around 70. Calm wind.

    Low: 70 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 87. Heat index values as high as 100. Calm wind becoming west around 6 mph in the morning.

    High: 87 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 68. Northeast wind 5 to 7 mph.

    Low: 68 °F

    Increasing
    Clouds

  • Friday

    Friday: A chance of showers and thunderstorms before 2pm, then a chance of showers between 2pm and 3pm.  Mostly cloudy, then gradually becoming sunny, with a high near 87. Heat index values as high as 100. East wind 5 to 9 mph becoming south in the afternoon.  Chance of precipitation is 30%.

    High: 87 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 71. South wind 3 to 6 mph.

    Low: 71 °F

    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers before 1pm.  Partly sunny, with a high near 88.

    High: 88 °F

    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a low around 67. Chance of precipitation is 60%.

    Low: 67 °F

    Showers
    Likely

  • Sunday

    Sunday: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a high near 76.

    High: 76 °F

    Chance
    Showers then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a low around 62. Chance of precipitation is 70%.

    Low: 62 °F

    Showers
    Likely

Detailed Forecast

Overnight
Partly cloudy, with a low around 70. Calm wind.
Thursday
Mostly sunny, with a high near 87. Heat index values as high as 100. Calm wind becoming west around 6 mph in the morning.
Thursday Night
Increasing clouds, with a low around 68. Northeast wind 5 to 7 mph.
Friday
A chance of showers and thunderstorms before 2pm, then a chance of showers between 2pm and 3pm. Mostly cloudy, then gradually becoming sunny, with a high near 87. Heat index values as high as 100. East wind 5 to 9 mph becoming south in the afternoon. Chance of precipitation is 30%.
Friday Night
Partly cloudy, with a low around 71. South wind 3 to 6 mph.
Saturday
A 20 percent chance of showers before 1pm. Partly sunny, with a high near 88.
Saturday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 67. Chance of precipitation is 60%.
Sunday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 76.
Sunday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 62. Chance of precipitation is 70%.
Monday
Showers likely, mainly before 1pm. Mostly cloudy, with a high near 69. Chance of precipitation is 60%.
Monday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 57.
Tuesday
Partly sunny, with a high near 69.
Tuesday Night
Partly cloudy, with a low around 56.
Wednesday
Mostly sunny, with a high near 73.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles WNW Williamstown MO
 40.23°N 91.95°W (Elev. 712 ft)
2:31 am CDT Sep 17, 2026
3am CDT Sep 17, 2026-6pm CDT Sep 23, 2026
 
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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