Thunderstorms and Heavy Rainfall in the Plains; Hazardous Heat in the South and Southeast

Severe thunderstorms will be possible across the northern/central Plains through Tuesday afternoon and from the central Plains to the Mid-Mississippi Valley Tuesday evening through Wednesday morning. Storms may produce large hail and damaging wind gusts, and heavy rainfall may lead to scattered instances of flash flooding. Meanwhile, hazardous heat persists across the South and Southeast. Read More >

Current conditions at

Rolla / Vichy, Rolla National Airport (KVIH)

Lat: 38.13°NLon: 91.77°WElev: 1148ft.

Fair

70°F

21°C

Humidity 90%
Wind Speed Calm
Barometer 30.11 in (1018.6 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 17 Aug 9:53 pm CDT
Extended Forecast for

4 Miles ENE Koeltztown MO

  • Tonight

    Tonight: Mostly clear, with a low around 65. Light and variable wind.

    Low: 65 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 93. Light and variable wind becoming south 5 to 7 mph in the morning.

    High: 93 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms.  Low around 70. East wind 6 to 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 80%.

    Low: 70 °F

    Clear then
    T-storms

  • Wednesday

    Wednesday: Showers and thunderstorms likely, mainly before 7am.  Partly sunny, with a high near 86. East wind 5 to 7 mph becoming north in the afternoon.  Chance of precipitation is 60%.

    High: 86 °F

    T-storms
    Likely

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely, mainly after 1am.  Mostly cloudy, with a low around 68. Northeast wind around 6 mph becoming calm  in the evening.  Chance of precipitation is 60%.

    Low: 68 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Thursday

    Thursday: Mostly sunny, with a high near 84.

    High: 84 °F

    Mostly Sunny

  • Thursday Night

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

    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 67.

    Low: 67 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 65. Light and variable wind.
Tuesday
Sunny, with a high near 93. Light and variable wind becoming south 5 to 7 mph in the morning.
Tuesday Night
Showers and thunderstorms. Low around 70. East wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
Wednesday
Showers and thunderstorms likely, mainly before 7am. Partly sunny, with a high near 86. East wind 5 to 7 mph becoming north in the afternoon. Chance of precipitation is 60%.
Wednesday Night
Showers and thunderstorms likely, mainly after 1am. Mostly cloudy, with a low around 68. Northeast wind around 6 mph becoming calm in the evening. Chance of precipitation is 60%.
Thursday
Mostly sunny, with a high near 84.
Thursday Night
Mostly clear, with a low around 65.
Friday
Sunny, with a high near 88.
Friday Night
Mostly clear, with a low around 67.
Saturday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 88.
Saturday Night
Mostly clear, with a low around 65.
Sunday
A 20 percent chance of showers. Mostly sunny, with a high near 86.
Sunday Night
A 20 percent chance of showers. Partly cloudy, with a low around 65.
Monday
A 20 percent chance of showers. Mostly sunny, with a high near 89.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ENE Koeltztown MO
 38.35°N 91.97°W (Elev. 640 ft)
6:11 pm CDT Aug 17, 2026
10pm CDT Aug 17, 2026-6pm CDT Aug 24, 2026
 
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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