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

Hazardous Weather Conditions

Current conditions at

Rolla / Vichy, Rolla National Airport (KVIH)

Lat: 38.13°NLon: 91.77°WElev: 1148ft.

Fair

76°F

24°C

Humidity 79%
Wind Speed S 5 mph
Barometer 30.20 in (1021.1 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index77°F (25°C)
Last update 18 Sep 12:53 am CDT
Extended Forecast for

Vienna MO

Heat Advisory September 18, 12:59am until September 19, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory September 18, 12:59am until September 19, 08:00pm

    NOW until 8:00pm Sat

    Heat Advisory

  • Overnight

    Low: 72 °F

    Clear

  • Friday

    Friday: A slight chance of showers between 2pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Sunny and hot, with a high near 95. Heat index values as high as 101. Light and variable wind. Chance of precipitation is 20%.

    High: 95 °F

    Sunny then
    Slight Chance
    T-storms

  • Friday Night

    Friday Night: A slight chance of thunderstorms before 7pm. Increasing clouds, with a low around 71. Calm wind becoming south around 6 mph after midnight. Chance of precipitation is 10%.

    Low: 71 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Saturday

    Saturday: Mostly sunny and hot, with a high near 95. Heat index values as high as 98. Southwest wind 6 to 9 mph.

    High: 95 °F

    Hot

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 71. Calm wind becoming southwest around 6 mph after midnight.

    Low: 71 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny and hot, with a high near 92.

    High: 92 °F

    Hot

  • Sunday Night

    Sunday Night: Showers likely, with thunderstorms also possible after 7pm. Mostly cloudy, with a low around 66. Chance of precipitation is 70%.

    Low: 66 °F

    Showers
    Likely

  • Monday

    Monday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 78.

    High: 78 °F

    Showers
    Likely

Detailed Forecast

Overnight
Clear, with a low around 72. Calm wind.
Friday
A slight chance of showers between 2pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Sunny and hot, with a high near 95. Heat index values as high as 101. Light and variable wind. Chance of precipitation is 20%.
Friday Night
A slight chance of thunderstorms before 7pm. Increasing clouds, with a low around 71. Calm wind becoming south around 6 mph after midnight. Chance of precipitation is 10%.
Saturday
Mostly sunny and hot, with a high near 95. Heat index values as high as 98. Southwest wind 6 to 9 mph.
Saturday Night
Partly cloudy, with a low around 71. Calm wind becoming southwest around 6 mph after midnight.
Sunday
Partly sunny and hot, with a high near 92.
Sunday Night
Showers likely, with thunderstorms also possible after 7pm. Mostly cloudy, with a low around 66. Chance of precipitation is 70%.
Monday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 78.
Monday Night
A chance of showers before 1am. Mostly cloudy, with a low around 59.
Tuesday
Partly sunny, with a high near 70.
Tuesday Night
Partly cloudy, with a low around 53.
Wednesday
Mostly sunny, with a high near 73.
Wednesday Night
Partly cloudy, with a low around 53.
Thursday
Mostly sunny, with a high near 75.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Vienna MO
 38.19°N 91.95°W (Elev. 886 ft)
Last Update:
11:06 pm CDT Sep 17, 2026
Forecast Valid:
12am CDT Sep 18, 2026-6pm CDT Sep 24, 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