Thunderstorms and Heavy Rain in the Mid-South; Heat Continues in the Southeast and Southwest

Severe thunderstorms and heavy rain are expected across portions of the mid-Mississippi Valley into the Ohio Valley and portions of Arizona. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that, when combined with oppressive dew points, little-to-no relief from the scorching daytime highs will be available. Read More >

Hazardous Weather Conditions

Current conditions at

Chariton (KCNC)

Lat: 41.03°NLon: 93.37°WElev: 1050ft.

Overcast

70°F

21°C

Humidity 100%
Wind Speed Calm
Barometer 29.94 in
Dewpoint 70°F (21°C)
Visibility 9.00 mi
Last update 19 Aug 7:15 am CDT
Extended Forecast for

3 Miles SW Allerton IA

  • Today

    Today: A 50 percent chance of showers and thunderstorms, mainly after noon.  Partly sunny, with a high near 80. Calm wind becoming east around 5 mph in the afternoon.  New rainfall amounts between a quarter and half of an inch possible.

    High: 80 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Tonight

    Tonight: A 10 percent chance of showers and thunderstorms before 7pm.  Partly cloudy, with a low around 63. Light northeast wind.

    Low: 63 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 82. Light east wind.

    High: 82 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 65. Calm wind becoming south around 5 mph after midnight.

    Low: 65 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 85. Light and variable wind becoming west 5 to 8 mph in the morning.

    High: 85 °F

    Sunny

  • Friday Night

    Friday Night: A 50 percent chance of showers and thunderstorms after 1am.  Mostly clear, with a low around 66. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 66 °F

    Mostly Clear
    then Chance
    T-storms

  • Saturday

    Saturday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 63.

    Low: 63 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

Detailed Forecast

Today
A 50 percent chance of showers and thunderstorms, mainly after noon. Partly sunny, with a high near 80. Calm wind becoming east around 5 mph in the afternoon. New rainfall amounts between a quarter and half of an inch possible.
Tonight
A 10 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 63. Light northeast wind.
Thursday
Sunny, with a high near 82. Light east wind.
Thursday Night
Mostly clear, with a low around 65. Calm wind becoming south around 5 mph after midnight.
Friday
Sunny, with a high near 85. Light and variable wind becoming west 5 to 8 mph in the morning.
Friday Night
A 50 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 66. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
Sunny, with a high near 83.
Saturday Night
Mostly clear, with a low around 63.
Sunday
Mostly sunny, with a high near 79.
Sunday Night
Mostly cloudy, with a low around 63.
Monday
Mostly sunny, with a high near 82.
Monday Night
Partly cloudy, with a low around 65.
Tuesday
Mostly sunny, with a high near 84.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Allerton IA
 40.69°N 93.41°W
6:51 am CDT Aug 19, 2026
7am CDT Aug 19, 2026-6pm CDT Aug 25, 2026
 
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Additional Resources

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Hourly Weather Forecast

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