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Chesterfield Weather Warning NWS WEATHER ALERT FOR THE CHESTERFIELD, MO AREA - Issued: 200 PM CDT Fri Sep 18 2026 Chesterfield Weather Warning

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Chesterfield, MO Weather - Hour by Hour Forecast

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Chesterfield, MO Weather - Hour by Hour Forecast

24 Hour Forecast

Current Conditions - Clear. Temperature is 76°F24°C, dew point 73°F23°C, humidity 90%. Wind direction is N at 0 mph0 km/h with visibility of 10 mi16 km. Barometric pressure is 29.99 in1015 mb.
Tonight - Partly cloudy. A slight chance of showers and thunderstorms this evening. Lows in the lower 70s. Southeast winds around 5 mph. Cha.. Full Forecast
Saturday - Mostly sunny. Hot with highs in the upper 90s. Southwest winds 5 to 10 mph... Full Forecast

Chesterfield Hourly Weather

24 Hour Forecast Scroll
Fri, Sep 18
11:00 pm
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Midnight
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Chesterfield, MO Hourly Weather - Clear - 11:00 PM Chesterfield, MO Hourly Weather - Mostly Cloudy - 12:00 AM Chesterfield, MO Hourly Weather - Mostly Cloudy - 1:00 AM Chesterfield, MO Hourly Weather - Mostly Cloudy - 2:00 AM Chesterfield, MO Hourly Weather - Mostly Cloudy - 3:00 AM Chesterfield, MO Hourly Weather - Mostly Cloudy - 4:00 AM Chesterfield, MO Hourly Weather - Mostly Cloudy - 5:00 AM Chesterfield, MO Hourly Weather - Cloudy - 6:00 AM Chesterfield, MO Hourly Weather - Cloudy - 7:00 AM Chesterfield, MO Hourly Weather - Cloudy - 8:00 AM Chesterfield, MO Hourly Weather - Mostly Cloudy - 9:00 AM Chesterfield, MO Hourly Weather - Mostly Cloudy - 10:00 AM Chesterfield, MO Hourly Weather - Mostly Cloudy - 11:00 AM Chesterfield, MO Hourly Weather - Mostly Cloudy - 12:00 PM Chesterfield, MO Hourly Weather - Mostly Cloudy - 1:00 PM Chesterfield, MO Hourly Weather - Mostly Cloudy - 2:00 PM Chesterfield, MO Hourly Weather - Cloudy - 3:00 PM Chesterfield, MO Hourly Weather - Cloudy - 4:00 PM Chesterfield, MO Hourly Weather - Cloudy - 5:00 PM Chesterfield, MO Hourly Weather - Cloudy - 6:00 PM Chesterfield, MO Hourly Weather - Cloudy - 7:00 PM Chesterfield, MO Hourly Weather - Cloudy - 8:00 PM Chesterfield, MO Hourly Weather - Cloudy - 9:00 PM Chesterfield, MO Hourly Weather - Cloudy - 10:00 PM
Clear Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Cloudy Cloudy Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy
78°F26°C 77°F25°C 77°F25°C 76°F24°C 75°F24°C 74°F23°C 73°F23°C 73°F23°C 72°F22°C 75°F24°C 79°F26°C 82°F28°C 84°F29°C 87°F31°C 89°F32°C 89°F32°C 90°F32°C 90°F32°C 88°F31°C 86°F30°C 84°F29°C 81°F27°C 79°F26°C 76°F24°C
- - - - - - - - - - - - - - - Rain Rain Rain Rain Rain Rain Rain Rain Rain
4% 4% 4% 9% 9% 9% 9% 9% 9% 17% 17% 17% 17% 17% 17% 27% 27% 27% 27% 27% 27% 32% 32% 32%
64°F18°C 65°F18°C 65°F18°C 65°F18°C 64°F18°C 64°F18°C 64°F18°C 63°F17°C 63°F17°C 64°F18°C 65°F18°C 66°F19°C 66°F19°C 66°F19°C 66°F19°C 66°F19°C 67°F19°C 67°F19°C 67°F19°C 68°F20°C 68°F20°C 68°F20°C 68°F20°C 68°F20°C
62% 67% 67% 69% 69% 71% 73% 71% 73% 69% 62% 59% 55% 50% 47% 47% 47% 47% 50% 55% 59% 65% 69% 76%
S SW SW SSW SSW SSW SSW SSW SSW SSW SSW SSW SSW SSW W W W W NW NW NNW NNW N N
4 mph 5 mph 5 mph 5 mph 3 mph 3 mph 3 mph 2 mph 2 mph 2 mph 3 mph 3 mph 3 mph 6 mph 6 mph 6 mph 9 mph 9 mph 9 mph 7 mph 7 mph 7 mph 7 mph 7 mph
10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 6 mi10 km 6 mi10 km 6 mi10 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 6 mi10 km 6 mi10 km 5 mi8 km
Hour (CDT)
Weather
Clouds
Temperature
Precip. Type
POP
Dewpoint
Humidity
Wind Direction
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Visibility
POP = Probability of Precipitation. ** Indicates missing data/values from KSUS model statistics.

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Prob Precip % = Probability of Precipitation.

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POP = Probability of Precipitation. ** Indicates missing data/values from model statistics.

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