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.
Overcast
66°F
19°C
| Humidity | 63% |
| Wind Speed | E 10 mph |
| Barometer | 30.13 in (1020.0 mb) |
| Dewpoint | 53°F (12°C) |
| Visibility | 10.00 mi |
| Last update | 20 May 5:54 pm CDT |
Extended Forecast for
Saint Peters MO
Tonight
Low: 54 °F
Decreasing
CloudsThursday
High: 71 °F
Mostly Sunny
Thursday Night
Low: 57 °F
Mostly Cloudy
then Chance
ShowersFriday
High: 71 °F
Showers
Friday Night
Low: 57 °F
Chance
ShowersSaturday
High: 80 °F
Mostly Cloudy
then Chance
T-stormsSaturday Night
Low: 60 °F
Chance
T-stormsSunday
High: 80 °F
Chance
ShowersSunday Night
Low: 61 °F
Slight Chance
T-storms
Detailed Forecast
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 54. Northeast wind 3 to 7 mph.
Thursday
Mostly sunny, with a high near 71. East wind around 7 mph.
Thursday Night
A 30 percent chance of showers after 4am. Increasing clouds, with a low around 57. East wind 6 to 8 mph.
Friday
Showers, mainly after 7am. High near 71. East wind 6 to 8 mph. Chance of precipitation is 80%.
Friday Night
A 30 percent chance of showers before 1am. Mostly cloudy, with a low around 57. Northeast wind around 6 mph becoming light and variable in the evening.
Saturday
A 40 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 80.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 60. Chance of precipitation is 30%.
Sunday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 80. Chance of precipitation is 40%.
Sunday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 61. Chance of precipitation is 20%.
Memorial Day
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 81. Chance of precipitation is 40%.
Monday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 63.
Tuesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 83.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66.
Wednesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 85.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
Saint Peters MO
38.78°N 90.59°W (Elev. 492 ft)
38.78°N 90.59°W (Elev. 492 ft)
5:31 pm CDT May 20, 2026
6pm CDT May 20, 2026-6pm CDT May 27, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
