Areas of Showers and Thunderstorms to Start the Work Week
Areas of rain and thunderstorms are forecast Monday across the central and eastern states. Some mixed rain and snow is possible in the high Sierra Mountains. Heavy to excessive rain may bring flooding in the central Appalachians. Read More >
Current conditions at
St. Louis, Spirit Of St. Louis Airport (KSUS)
Lat: 38.66°NLon: 90.66°WElev: 463ft.
Thunderstorm
79°F
26°C
| Humidity | 74% |
| Wind Speed | Calm |
| Barometer | 29.85 in (1010.1 mb) |
| Dewpoint | 70°F (21°C) |
| Visibility | 10.00 mi |
| Heat Index | 82°F (28°C) |
| Last update | 20 Sep 7:54 pm CDT |
Extended Forecast for
Ellisville MO
Tonight
Low: 68 °F
Showers
Likely and
Patchy FogMonday
High: 74 °F
Chance
Showers and
Patchy Fog
then Mostly
CloudyMonday Night
Low: 62 °F
Mostly Cloudy
Tuesday
High: 72 °F
Mostly Cloudy
Tuesday Night
Low: 55 °F
Partly Cloudy
Wednesday
High: 73 °F
Mostly Sunny
Wednesday Night
Low: 55 °F
Partly Cloudy
Thursday
High: 74 °F
Mostly Sunny
Thursday Night
Low: 57 °F
Mostly Cloudy
Detailed Forecast
Tonight
A chance of showers and thunderstorms before 10pm, then showers likely and possibly a thunderstorm between 10pm and 3am, then a chance of showers and thunderstorms after 3am. Patchy fog after 5am. Otherwise, cloudy, with a low around 68. Calm wind becoming northeast 5 to 7 mph. Chance of precipitation is 70%.
Monday
A chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 11am. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 74. North wind 3 to 5 mph. Chance of precipitation is 30%.
Monday Night
Mostly cloudy, with a low around 62. Northeast wind around 6 mph.
Tuesday
Mostly cloudy, with a high near 72. North wind around 7 mph.
Tuesday Night
Partly cloudy, with a low around 55. Northeast wind 3 to 7 mph.
Wednesday
Mostly sunny, with a high near 73.
Wednesday Night
Partly cloudy, with a low around 55.
Thursday
Mostly sunny, with a high near 74.
Thursday Night
Mostly cloudy, with a low around 57.
Friday
Partly sunny, with a high near 76.
Friday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 58.
Saturday
A 20 percent chance of showers. Mostly cloudy, with a high near 77.
Saturday Night
Mostly cloudy, with a low around 59.
Sunday
Mostly sunny, with a high near 82.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Ellisville MO
38.58°N 90.57°W (Elev. 696 ft)
38.58°N 90.57°W (Elev. 696 ft)
8:21 pm CDT Sep 20, 2026
8pm CDT Sep 20, 2026-6pm CDT Sep 27, 2026
Additional Resources
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