NWS St. Louis Announces Changes To May 16, 2025 Tornado Damage Assessment

After a year-long review of new ground survey data and aerial imagery, NWS St. Louis made several adjustments to the May 16, 2025 tornado damage assessment. Read More >

Current conditions at

Jefferson City, Jefferson City Memorial Airport (KJEF)

Lat: 38.59°NLon: 92.16°WElev: 548ft.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Saint Thomas MO

Flood Watch May 18, 07:00am until May 18, 07:00pm
Click here for hazard details and duration
Flood Watch
  • Overnight

    Overnight: Mostly cloudy, with a low around 72. South wind 11 to 13 mph, with gusts as high as 26 mph.

    Low: 72 °F

    Mostly Cloudy

  • Monday

    Monday: Showers and thunderstorms before 4pm, then showers likely and possibly a thunderstorm between 4pm and 5pm, then a chance of showers and thunderstorms after 5pm.  High near 85. South wind 10 to 14 mph, with gusts as high as 26 mph.  Chance of precipitation is 90%.

    High: 85 °F

    Showers then
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 3am, then a chance of showers between 3am and 4am, then a chance of showers and thunderstorms after 4am.  Mostly cloudy, with a low around 69. South wind 10 to 15 mph, with gusts as high as 28 mph.  Chance of precipitation is 30%.

    Low: 69 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 9am.  High near 79. South wind around 8 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph.  Chance of precipitation is 90%.

    High: 79 °F

    Showers

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers.  Mostly cloudy, with a low around 54. North wind around 6 mph.

    Low: 54 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 67.

    High: 67 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 51.

    Low: 51 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after 1pm.  Partly sunny, with a high near 73.

    High: 73 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 40 percent chance of showers.  Mostly cloudy, with a low around 57.

    Low: 57 °F

    Chance
    Showers

Detailed Forecast

Overnight
Mostly cloudy, with a low around 72. South wind 11 to 13 mph, with gusts as high as 26 mph.
Monday
Showers and thunderstorms before 4pm, then showers likely and possibly a thunderstorm between 4pm and 5pm, then a chance of showers and thunderstorms after 5pm. High near 85. South wind 10 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 90%.
Monday Night
A chance of showers and thunderstorms before 3am, then a chance of showers between 3am and 4am, then a chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 69. South wind 10 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 30%.
Tuesday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 9am. High near 79. South wind around 8 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 90%.
Tuesday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 54. North wind around 6 mph.
Wednesday
Mostly cloudy, with a high near 67.
Wednesday Night
Mostly cloudy, with a low around 51.
Thursday
A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 73.
Thursday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 57.
Friday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 77. Chance of precipitation is 50%.
Friday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 58.
Saturday
Partly sunny, with a high near 82.
Saturday Night
Partly cloudy, with a low around 60.
Sunday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Thomas MO
 38.37°N 92.23°W (Elev. 699 ft)
2:01 am CDT May 18, 2026
2am CDT May 18, 2026-6pm CDT May 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