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

Hazardous Weather Conditions

Current conditions at

Chariton (KCNC)

Lat: 41.03°NLon: 93.37°WElev: 1050ft.

A Few Clouds

64°F

18°C

Humidity 64%
Wind Speed S 7 mph
Barometer 29.67 in
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 16 Jun 10:35 pm CDT
Extended Forecast for

Williamson IA

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 61. South southeast wind 5 to 14 mph, with gusts as high as 22 mph.

    Low: 61 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms, mainly before 5pm. Cloudy, then gradually becoming mostly sunny, with a high near 87. Breezy, with a south wind 16 to 18 mph becoming west in the afternoon. Winds could gust as high as 31 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 87 °F

    Chance
    T-storms and
    Breezy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 60. Breezy, with a west northwest wind 10 to 18 mph, with gusts as high as 32 mph.

    Low: 60 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 77. Northwest wind 11 to 13 mph, with gusts as high as 20 mph.

    High: 77 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 55. North northwest wind 5 to 8 mph becoming calm in the evening.

    Low: 55 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 62.

    Low: 62 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 83.

    High: 83 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 63. Chance of precipitation is 60%.

    Low: 63 °F

    Chance
    T-storms then
    Showers
    Likely

Detailed Forecast

Tonight
A 20 percent chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 61. South southeast wind 5 to 14 mph, with gusts as high as 22 mph.
Wednesday
A 40 percent chance of showers and thunderstorms, mainly before 5pm. Cloudy, then gradually becoming mostly sunny, with a high near 87. Breezy, with a south wind 16 to 18 mph becoming west in the afternoon. Winds could gust as high as 31 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Mostly clear, with a low around 60. Breezy, with a west northwest wind 10 to 18 mph, with gusts as high as 32 mph.
Thursday
Mostly sunny, with a high near 77. Northwest wind 11 to 13 mph, with gusts as high as 20 mph.
Thursday Night
Mostly clear, with a low around 55. North northwest wind 5 to 8 mph becoming calm in the evening.
Juneteenth
Sunny, with a high near 81.
Friday Night
Partly cloudy, with a low around 62.
Saturday
Partly sunny, with a high near 83.
Saturday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 63. Chance of precipitation is 60%.
Sunday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 77. Chance of precipitation is 60%.
Sunday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 60.
Monday
Partly sunny, with a high near 77.
Monday Night
Partly cloudy, with a low around 58.
Tuesday
Mostly sunny, with a high near 79.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Williamson IA
 41.08°N 93.26°W
Last Update:
9:57 pm CDT Jun 16, 2026
Forecast Valid:
10pm CDT Jun 16, 2026-6pm CDT Jun 23, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation