Fire Weather Concerns and Severe Weather

Dry and breezy conditions will bring elevated to critical fire weather conditions across portions of the northern and central High Plains through this weekend, where fuels remain largely receptive. Severe thunderstorms and heavy rainfall are possible from the Plains into the Upper Midwest, as well as in the Ohio Valley and portions of the Mid-Atlantic through this weekend. Read More >

Current conditions at

St. Louis, Spirit Of St. Louis Airport (KSUS)

Lat: 38.66°NLon: 90.66°WElev: 463ft.

Mostly Cloudy

82°F

28°C

Humidity 58%
Wind Speed Vrbl 5 mph
Barometer 30.07 in (1017.4 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 13 Sep 11:54 am CDT
Extended Forecast for

Chesterfield MO

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 85. Northwest wind 5 to 7 mph.

    High: 85 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 64. North wind 5 to 7 mph.

    Low: 64 °F

    Partly Cloudy

  • Monday

    Monday: Isolated showers and thunderstorms between 10am and 1pm.  Mostly sunny, with a high near 87. Southeast wind around 9 mph.  Chance of precipitation is 20%.

    High: 87 °F

    Isolated
    T-storms

  • Monday Night

    Monday Night: Mostly clear, with a low around 75. Southeast wind 8 to 10 mph.

    Low: 75 °F

    Mostly Clear

  • Tuesday

    Tuesday: A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm.  Sunny and hot, with a high near 97. South wind 5 to 8 mph becoming west in the afternoon.  Chance of precipitation is 20%.

    High: 97 °F

    Sunny then
    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers and thunderstorms, mainly before 1am.  Partly cloudy, with a low around 72.

    Low: 72 °F

    Chance
    T-storms then
    Chance
    Showers

  • Wednesday

    Wednesday: A slight chance of showers, with thunderstorms also possible after 1pm.  Mostly sunny, with a high near 94. Chance of precipitation is 20%.

    High: 94 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 74.

    Low: 74 °F

    Partly Cloudy

  • Thursday

    Thursday: A slight chance of showers, with thunderstorms also possible after 1pm.  Mostly sunny, with a high near 94. Chance of precipitation is 20%.

    High: 94 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 85. Northwest wind 5 to 7 mph.
Tonight
Partly cloudy, with a low around 64. North wind 5 to 7 mph.
Monday
Isolated showers and thunderstorms between 10am and 1pm. Mostly sunny, with a high near 87. Southeast wind around 9 mph. Chance of precipitation is 20%.
Monday Night
Mostly clear, with a low around 75. Southeast wind 8 to 10 mph.
Tuesday
A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Sunny and hot, with a high near 97. South wind 5 to 8 mph becoming west in the afternoon. Chance of precipitation is 20%.
Tuesday Night
A 40 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 72.
Wednesday
A slight chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 94. Chance of precipitation is 20%.
Wednesday Night
Partly cloudy, with a low around 74.
Thursday
A slight chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 94. Chance of precipitation is 20%.
Thursday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers. Partly cloudy, with a low around 71. Chance of precipitation is 30%.
Friday
A 20 percent chance of showers. Mostly sunny, with a high near 89.
Friday Night
A 30 percent chance of showers. Partly cloudy, with a low around 66.
Saturday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 84.
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ABOUT THIS FORECAST

 
Point Forecast:
Chesterfield MO
 38.65°N 90.57°W (Elev. 512 ft)
11:21 am CDT Sep 13, 2026
12pm CDT Sep 13, 2026-6pm CDT Sep 19, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database