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

Chariton (KCNC)

Lat: 41.03°NLon: 93.37°WElev: 1050ft.

Fair

43°F

6°C

Humidity 100%
Wind Speed S 9 mph
Barometer 29.89 in
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 16 Feb 2:55 am CST
Extended Forecast for

Williamson IA

  • Overnight

    Overnight: Mostly cloudy, with a low around 44. South southwest wind around 11 mph, with gusts as high as 20 mph.

    Low: 44 °F

    Mostly Cloudy

  • Washington's Birthday

    Washington's Birthday: Mostly sunny, with a high near 67. South southwest wind 9 to 14 mph, with gusts as high as 23 mph.

    High: 67 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 46. South wind 7 to 10 mph.

    Low: 46 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Cloudy, then gradually becoming mostly sunny, with a high near 66. Windy, with a south wind 10 to 15 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 33 mph.

    High: 66 °F

    Decreasing
    Clouds and
    Windy

  • Tuesday Night

    Tuesday Night: A 20 percent chance of rain before midnight. Partly cloudy, with a low around 47. Breezy, with a south wind 15 to 18 mph becoming west after midnight. Winds could gust as high as 31 mph.

    Low: 47 °F

    Breezy.
    Slight Chance
    Rain then
    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 65. Breezy.

    High: 65 °F

    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 36.

    Low: 36 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 40 percent chance of rain. Partly sunny, with a high near 55.

    High: 55 °F

    Chance Rain

  • Thursday Night

    Thursday Night: A chance of rain and snow before midnight. Partly cloudy, with a low around 26. Chance of precipitation is 40%.

    Low: 26 °F

    Chance
    Rain/Snow
    then Mostly
    Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 44. South southwest wind around 11 mph, with gusts as high as 20 mph.
Washington's Birthday
Mostly sunny, with a high near 67. South southwest wind 9 to 14 mph, with gusts as high as 23 mph.
Monday Night
Mostly cloudy, with a low around 46. South wind 7 to 10 mph.
Tuesday
Cloudy, then gradually becoming mostly sunny, with a high near 66. Windy, with a south wind 10 to 15 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 33 mph.
Tuesday Night
A 20 percent chance of rain before midnight. Partly cloudy, with a low around 47. Breezy, with a south wind 15 to 18 mph becoming west after midnight. Winds could gust as high as 31 mph.
Wednesday
Sunny, with a high near 65. Breezy.
Wednesday Night
Mostly cloudy, with a low around 36.
Thursday
A 40 percent chance of rain. Partly sunny, with a high near 55.
Thursday Night
A chance of rain and snow before midnight. Partly cloudy, with a low around 26. Chance of precipitation is 40%.
Friday
Partly sunny, with a high near 41.
Friday Night
Mostly cloudy, with a low around 23.
Saturday
A chance of rain and snow. Partly sunny, with a high near 42. Chance of precipitation is 30%.
Saturday Night
A chance of rain and snow. Partly cloudy, with a low around 19. Chance of precipitation is 30%.
Sunday
Mostly sunny, with a high near 35.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Williamson IA
 41.1°N 93.29°W
Last Update:
2:47 am CST Feb 16, 2026
Forecast Valid:
3am CST Feb 16, 2026-6pm CST Feb 22, 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