


Hazardous Weather Conditions
Current conditions at
St. Louis, Spirit Of St. Louis Airport (KSUS)
Lat: 38.66°NLon: 90.66°WElev: 463ft.
Fair
76°F
24°C
Humidity | 91% |
Wind Speed | Calm |
Barometer | 29.99 in (1014.4 mb) |
Dewpoint | 73°F (23°C) |
Visibility | 10.00 mi |
Heat Index | 76°F (24°C) |
Last update | 18 Aug 9:54 pm CDT |
Extended Forecast for
Fenton MO
Heat Advisory August 18, 10:10pm until August 19, 08:00pm
NOW until 8:00pm Tue
Heat Advisory
Tonight
Low: 75 °F
Chance
T-stormsTuesday
High: 95 °F
Slight Chance
T-stormsTuesday Night
Low: 73 °F
Chance
T-stormsWednesday
High: 88 °F
Slight Chance
T-stormsWednesday Night
Low: 67 °F
Mostly Clear
Thursday
High: 87 °F
Mostly Sunny
Thursday Night
Low: 68 °F
Mostly Clear
Friday
High: 90 °F
Sunny
Detailed Forecast
Tonight
A 30 percent chance of showers and thunderstorms, mainly after 5am. Partly cloudy, with a low around 75. Light south wind.
Tuesday
A slight chance of showers and thunderstorms before 9am, then a slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 95. Heat index values as high as 106. Calm wind becoming northwest 5 to 7 mph in the afternoon. Chance of precipitation is 20%.
Tuesday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers. Partly cloudy, with a low around 73. North wind around 6 mph becoming calm after midnight. Chance of precipitation is 40%.
Wednesday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 88. Calm wind becoming north 5 to 7 mph in the morning.
Wednesday Night
Mostly clear, with a low around 67. Northeast wind 3 to 6 mph.
Thursday
Mostly sunny, with a high near 87.
Thursday Night
Mostly clear, with a low around 68.
Friday
Sunny, with a high near 90.
Friday Night
Mostly clear, with a low around 68.
Saturday
Mostly sunny, with a high near 88.
Saturday Night
Mostly clear, with a low around 64.
Sunday
Sunny, with a high near 82.
Sunday Night
Partly cloudy, with a low around 59.
Monday
Mostly sunny, with a high near 79.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Fenton MO
38.54°N 90.43°W (Elev. 407 ft)
38.54°N 90.43°W (Elev. 407 ft)
8:16 pm CDT Aug 18, 2025
10pm CDT Aug 18, 2025-6pm CDT Aug 25, 2025