
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 >
Hazardous Weather Conditions
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
Overnight

Low: 72 °F
Mostly Cloudy
Monday
High: 85 °F
Showers then
T-stormsMonday Night

Low: 69 °F
Chance
T-stormsTuesday

High: 79 °F
Showers
Tuesday Night

Low: 54 °F
Chance
ShowersWednesday

High: 67 °F
Mostly Cloudy
Wednesday Night

Low: 51 °F
Mostly Cloudy
Thursday
High: 73 °F
Partly Sunny
then Slight
Chance
T-stormsThursday Night

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.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Saint Thomas MO
38.37°N 92.23°W (Elev. 699 ft)
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



