
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
St. Louis, Spirit Of St. Louis Airport (KSUS)
Lat: 38.66°NLon: 90.66°WElev: 463ft.
Fair
79°F
26°C
| Humidity | 60% |
| Wind Speed | S 9 mph |
| Barometer | 29.83 in (1009.3 mb) |
| Dewpoint | 64°F (18°C) |
| Visibility | 10.00 mi |
| Heat Index | 81°F (27°C) |
| Last update | 17 May 10:54 pm CDT |
Extended Forecast for
Weldon Spring MO
Overnight

Low: 71 °F
Partly Cloudy
Monday

High: 87 °F
T-storms
LikelyMonday Night
Low: 69 °F
Slight Chance
T-storms then
T-storms
LikelyTuesday

High: 84 °F
T-storms
Tuesday Night

Low: 55 °F
Chance
T-stormsWednesday

High: 69 °F
Partly Sunny
Wednesday Night

Low: 50 °F
Mostly Cloudy
Thursday

High: 72 °F
Mostly Sunny
Thursday Night
Low: 55 °F
Mostly Cloudy
then Slight
Chance
T-storms
Detailed Forecast
Overnight
Partly cloudy, with a low around 71. South wind 11 to 13 mph, with gusts as high as 22 mph.
Monday
Showers and thunderstorms likely, mainly before 2pm. Mostly cloudy, with a high near 87. South wind 13 to 16 mph becoming west in the afternoon. Winds could gust as high as 26 mph. Chance of precipitation is 60%.
Monday Night
Showers and thunderstorms likely, mainly after 4am. Partly cloudy, with a low around 69. South wind around 14 mph, with gusts as high as 24 mph. Chance of precipitation is 60%.
Tuesday
Showers and thunderstorms. High near 84. Southwest wind 10 to 14 mph becoming west in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 90%.
Tuesday Night
A 50 percent chance of showers and thunderstorms. Cloudy, with a low around 55. Northwest wind 7 to 9 mph.
Wednesday
Partly sunny, with a high near 69.
Wednesday Night
Mostly cloudy, with a low around 50.
Thursday
Mostly sunny, with a high near 72.
Thursday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 55.
Friday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 76.
Friday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 58.
Saturday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 82.
Saturday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 61.
Sunday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Weldon Spring MO
38.74°N 90.65°W (Elev. 499 ft)
38.74°N 90.65°W (Elev. 499 ft)
10:01 pm CDT May 17, 2026
12am CDT May 18, 2026-6pm CDT May 24, 2026



