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.

Partly Cloudy

79°F

26°C

Humidity 79%
Wind Speed NE 6 mph
Barometer 29.94 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 19 Aug 11:55 am CDT
Extended Forecast for

4 Miles SW Dallas IA

  • This Afternoon

    This Afternoon: A 40 percent chance of showers and thunderstorms, mainly after 3pm.  Mostly cloudy, with a high near 81. North northeast wind 6 to 8 mph.  New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 81 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 8pm.  Mostly cloudy, then gradually becoming mostly clear, with a low around 63. Northeast wind around 5 mph becoming calm  in the evening.  New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 63 °F

    Chance
    T-storms then
    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 81. Light and variable wind.

    High: 81 °F

    Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms after 1am.  Mostly clear, with a low around 66. South wind 3 to 6 mph.

    Low: 66 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Friday

    Friday: Sunny, with a high near 85. South southwest wind 5 to 8 mph becoming west northwest in the afternoon.

    High: 85 °F

    Sunny

  • Friday Night

    Friday Night: A 50 percent chance of showers and thunderstorms, mainly 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

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Saturday

    Saturday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Saturday Night

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

    Low: 63 °F

    Mostly Clear

  • Sunday

    Sunday: Partly sunny, with a high near 79.

    High: 79 °F

    Partly Sunny

Detailed Forecast

This Afternoon
A 40 percent chance of showers and thunderstorms, mainly after 3pm. Mostly cloudy, with a high near 81. North northeast wind 6 to 8 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 63. Northeast wind around 5 mph becoming calm in the evening. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
Sunny, with a high near 81. Light and variable wind.
Thursday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 66. South wind 3 to 6 mph.
Friday
Sunny, with a high near 85. South southwest wind 5 to 8 mph becoming west northwest in the afternoon.
Friday Night
A 50 percent chance of showers and thunderstorms, mainly 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 82.
Saturday Night
Mostly clear, with a low around 63.
Sunday
Partly sunny, with a high near 79.
Sunday Night
Mostly cloudy, with a low around 62.
Monday
Mostly sunny, with a high near 81.
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:
4 Miles SW Dallas IA
 41.17°N 93.31°W
11:43 am CDT Aug 19, 2026
12pm 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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