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 >

Current conditions at

Rolla / Vichy, Rolla National Airport (KVIH)

Lat: 38.13°NLon: 91.77°WElev: 1148ft.

Fair

77°F

25°C

Humidity 77%
Wind Speed SE 8 mph
Barometer 29.96 in (1013.4 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 18 Aug 8:53 pm CDT
Extended Forecast for

6 Miles WNW Steelville MO

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms after 3am.  Increasing clouds, with a low around 70. Southeast wind 3 to 7 mph.

    Low: 70 °F

    Mostly Clear
    then Chance
    T-storms

  • Wednesday

    Wednesday: Showers and thunderstorms likely, mainly before 8am.  Cloudy, then gradually becoming mostly sunny, with a high near 85. Northeast wind 6 to 8 mph becoming southeast in the morning.  Chance of precipitation is 60%.

    High: 85 °F

    T-storms
    Likely then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers and thunderstorms after 1am.  Cloudy, then gradually becoming partly cloudy, with a low around 67. Northeast wind 5 to 7 mph.  Chance of precipitation is 20%.

    Low: 67 °F

    Slight Chance
    T-storms

  • Thursday

    Thursday: Cloudy through mid morning, then gradual clearing, with a high near 85. North wind around 6 mph becoming calm.

    High: 85 °F

    Gradual
    Clearing

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 65. Light east wind.

    Low: 65 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 65.

    Low: 65 °F

    Mostly Clear

  • Saturday

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

    High: 88 °F

    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 65.

    Low: 65 °F

    Mostly Clear

Detailed Forecast

Tonight
A 40 percent chance of showers and thunderstorms after 3am. Increasing clouds, with a low around 70. Southeast wind 3 to 7 mph.
Wednesday
Showers and thunderstorms likely, mainly before 8am. Cloudy, then gradually becoming mostly sunny, with a high near 85. Northeast wind 6 to 8 mph becoming southeast in the morning. Chance of precipitation is 60%.
Wednesday Night
A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers and thunderstorms after 1am. Cloudy, then gradually becoming partly cloudy, with a low around 67. Northeast wind 5 to 7 mph. Chance of precipitation is 20%.
Thursday
Cloudy through mid morning, then gradual clearing, with a high near 85. North wind around 6 mph becoming calm.
Thursday Night
Mostly clear, with a low around 65. Light east wind.
Friday
Sunny, with a high near 88.
Friday Night
Mostly clear, with a low around 65.
Saturday
A 20 percent chance of showers before 1pm. Sunny, with a high near 88.
Saturday Night
Mostly clear, with a low around 65.
Sunday
Mostly sunny, with a high near 85.
Sunday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 66.
Monday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.
Monday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 69.
Tuesday
Mostly sunny, with a high near 90.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles WNW Steelville MO
 37.98°N 91.47°W (Elev. 866 ft)
8:51 pm CDT Aug 18, 2026
9pm CDT Aug 18, 2026-6pm CDT Aug 25, 2026
 
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Additional Resources

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Hourly Weather Forecast

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