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

77°F

25°C

Humidity 85%
Wind Speed SE 5 mph
Barometer 30.04 in (1015.8 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 18 Aug 9:53 pm CDT
Extended Forecast for

Mount Sterling MO

Heat Advisory August 18, 10:12pm until August 19, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 18, 10:12pm until August 19, 08:00pm

    NOW until 8:00pm Tue

    Heat Advisory

  • Tonight

    Low: 73 °F

    Partly Cloudy
    then Chance
    Showers

  • Tuesday

    Tuesday: A slight chance of showers and thunderstorms before 10am, then a slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 94. Heat index values as high as 101. Calm wind becoming northwest around 6 mph in the afternoon. Chance of precipitation is 20%.

    High: 94 °F

    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 1am, then a slight chance of showers. Partly cloudy, with a low around 72. North wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%.

    Low: 72 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89. Calm wind becoming northeast 5 to 7 mph in the morning.

    High: 89 °F

    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 66. Northeast wind 3 to 6 mph.

    Low: 66 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 65.

    Low: 65 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

Detailed Forecast

Tonight
A 30 percent chance of showers and thunderstorms, mainly after 5am. Partly cloudy, with a low around 73. Light south wind.
Tuesday
A slight chance of showers and thunderstorms before 10am, then a slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 94. Heat index values as high as 101. Calm wind becoming northwest around 6 mph in the afternoon. Chance of precipitation is 20%.
Tuesday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers. Partly cloudy, with a low around 72. North wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89. Calm wind becoming northeast 5 to 7 mph in the morning.
Wednesday Night
Mostly clear, with a low around 66. Northeast wind 3 to 6 mph.
Thursday
Sunny, with a high near 87.
Thursday Night
Clear, with a low around 65.
Friday
Sunny, with a high near 89.
Friday Night
Mostly clear, with a low around 66.
Saturday
Sunny, with a high near 87.
Saturday Night
Mostly clear, with a low around 61.
Sunday
Sunny, with a high near 81.
Sunday Night
Mostly clear, with a low around 57.
Monday
Mostly sunny, with a high near 77.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mount Sterling MO
 38.47°N 91.63°W (Elev. 591 ft)
Last Update:
8:16 pm CDT Aug 18, 2025
Forecast Valid:
10pm CDT Aug 18, 2025-6pm CDT Aug 25, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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