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

Jefferson City, Jefferson City Memorial Airport (KJEF)

Lat: 38.59°NLon: 92.16°WElev: 548ft.

Mostly Cloudy

83°F

28°C

Humidity 40%
Wind Speed NW 7 mph
Barometer 30.01 in (1014.9 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 19 Jun 5:53 pm CDT
Extended Forecast for

Saint Thomas MO

  • Tonight

    Tonight: Mostly cloudy, with a low around 64. Calm wind.

    Low: 64 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers before 10am. Partly sunny, with a high near 84. Calm wind.

    High: 84 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 69. Light southeast wind.

    Low: 69 °F

    Partly Cloudy
    then Chance
    T-storms

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm, then showers and thunderstorms after 7am. High near 84. Southeast wind 6 to 9 mph becoming southwest in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 100%.

    High: 84 °F

    T-storms

  • Sunday Night

    Sunday Night: Showers and thunderstorms, mainly before 1am. Low around 66. Southwest wind around 6 mph becoming light and variable. Chance of precipitation is 80%.

    Low: 66 °F

    T-storms

  • Monday

    Monday: Partly sunny, with a high near 77.

    High: 77 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 61.

    Low: 61 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 63.

    Low: 63 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

Detailed Forecast

Tonight
Mostly cloudy, with a low around 64. Calm wind.
Saturday
A 20 percent chance of showers before 10am. Partly sunny, with a high near 84. Calm wind.
Saturday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 69. Light southeast wind.
Sunday
Showers likely and possibly a thunderstorm, then showers and thunderstorms after 7am. High near 84. Southeast wind 6 to 9 mph becoming southwest in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 100%.
Sunday Night
Showers and thunderstorms, mainly before 1am. Low around 66. Southwest wind around 6 mph becoming light and variable. Chance of precipitation is 80%.
Monday
Partly sunny, with a high near 77.
Monday Night
Partly cloudy, with a low around 61.
Tuesday
Mostly sunny, with a high near 80.
Tuesday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 63.
Wednesday
Mostly sunny, with a high near 82.
Wednesday Night
Mostly clear, with a low around 62.
Thursday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 81.
Thursday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 63.
Friday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 82.
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Thomas MO
 38.37°N 92.23°W (Elev. 699 ft)
Last Update:
6:01 pm CDT Jun 19, 2026
Forecast Valid:
6pm CDT Jun 19, 2026-6pm CDT Jun 26, 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