CHESTERFIELD, MO 63005 Weather Forecast & Current Conditions

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SPIRIT OF ST. LOUIS, MO
Current Weather

5:54 AM CDT JUL 26, 2026
Clear
Shallow Fog
75°F
Feels Like: 75°F
Dewpoint: 75°F
Rel. Hum.: 100%
Visibility: 2 miles
Wind: Calm
Pressure: 29.92 inches
Last 72 hours

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CHESTERFIELD, MO 63005
Weather Forecast

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TODAY
Mostly cloudy this morning, then becoming mostly sunny. Patchy fog this morning. A slight chance of showers and thunderstorms. Hot with highs in the mid 90s. Southwest winds around 5 mph. Chance of rain 20 percent. Heat index values up to 117.
TONIGHT
Partly cloudy. Humid with lows in the upper 70s. South winds around 5 mph. Heat index values up to 116 early in the evening.
MONDAY
Sunny, hot with highs in the upper 90s. Southwest winds 5 to 10 mph. Heat index values up to 114.
MONDAY NIGHT
Mostly clear. Humid with lows in the upper 70s. Southwest winds 5 to 10 mph. Heat index values up to 112 early in the evening.
TUESDAY
Mostly sunny. Humid with highs in the lower 90s. Northwest winds 5 to 10 mph. Heat index values up to 105.
TUESDAY NIGHT
Partly cloudy. Lows in the lower 70s. Heat index values up to 100 early in the evening.
WEDNESDAY THROUGH THURSDAY
Mostly clear. Highs in the upper 80s. Lows in the upper 60s.
THURSDAY NIGHT
Partly cloudy in the evening, then mostly cloudy with a slight chance of showers after midnight. Lows in the upper 60s. Chance of rain 20 percent.
FRIDAY
Partly sunny with a slight chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 20 percent.
FRIDAY NIGHT
A slight chance of thunderstorms in the evening. Partly cloudy with a chance of showers. Lows in the upper 60s. Chance of rain 40 percent.
SATURDAY
Mostly sunny with a slight chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 20 percent.

Visible Weather Satellite
CHESTERFIELD, MO 63005
Infrared Weather Satellite
CHESTERFIELD, MO 63005
NEXRAD Weather Radar
CHESTERFIELD, MO 63005

SPIRIT OF ST. LOUIS, MO 3 hourly weather forecast

weather forecast created  6:00 PM MDT  7/25/2026
Sunday
26 JUL 2026
CHESTERFIELD, MO 63005 weather forecast Day 1, 0 hours 1 AM 77° 78° Partly Cloudy 1%

0% Thunder
( 8% severe)
  CALM 97% 76°
Low 75° CHESTERFIELD, MO 63005 weather forecast Day 1, 3 hours 4 AM 76° 75° Mostly Cloudy   CALM 97% 75°
High 95° CHESTERFIELD, MO 63005 weather forecast Day 1, 6 hours 7 AM 77° 78° Mostly Cloudy 6%

0% Thunder
( 10% severe)
  CALM 94% 75°

Partly Cloudy



CHESTERFIELD, MO 63005 weather forecast Day 1, 9 hours 10 AM 86° 100° Partly Cloudy   CALM 80% 79°
CHESTERFIELD, MO 63005 weather forecast Day 1, 12 hours 1 PM 92° 108° Partly Cloudy 12%
RAIN
.1–.25 in
0% Thunder
( 19% severe)
WSW   3 64% 78°
CHESTERFIELD, MO 63005 weather forecast Day 1, 15 hours 4 PM 95° 107° Partly Cloudy WSW   5 53% 75°
CHESTERFIELD, MO 63005 weather forecast Day 1, 18 hours 7 PM 92° 108° Partly Cloudy 9%

0% Thunder
( 28% severe)
  CALM 64% 78°
CHESTERFIELD, MO 63005 weather forecast Day 1, 21 hours 10 PM 84° 92° Mostly Cloudy   CALM 74% 75°
Monday
27 JUL 2026
CHESTERFIELD, MO 63005 weather forecast Day 2, 0 hours 1 AM 81° 86° Partly Cloudy 4%

0% Thunder
( 9% severe)
SE   2 79% 74°
Low 77° CHESTERFIELD, MO 63005 weather forecast Day 2, 3 hours 4 AM 79° 82° Partly Cloudy S   5 82% 73°
High 97° CHESTERFIELD, MO 63005 weather forecast Day 2, 6 hours 7 AM 79° 82° Partly Cloudy 1%

0% Thunder
( 7% severe)
SSW   6 82% 73°

Partly Cloudy



CHESTERFIELD, MO 63005 weather forecast Day 2, 9 hours 10 AM 88° 98° Clear WSW   8 66% 75°
CHESTERFIELD, MO 63005 weather forecast Day 2, 12 hours 1 PM 94° 104° Partly Cloudy 0%

0% Thunder
( 30% severe)
WSW   12 51% 73°
CHESTERFIELD, MO 63005 weather forecast Day 2, 15 hours 4 PM 97° 106° Partly Cloudy WSW   12 45% 72°
CHESTERFIELD, MO 63005 weather forecast Day 2, 18 hours 7 PM 93° 103° Clear 2%

0% Thunder
( 19% severe)
WSW   8 54% 74°
CHESTERFIELD, MO 63005 weather forecast Day 2, 21 hours 10 PM 87° 93° Clear SW   7 61% 72°

SPIRIT OF ST. LOUIS, MO extended weather forecast

Tuesday
28 JUL 2026
Wednesday
29 JUL 2026
Thursday
30 JUL 2026
Friday
31 JUL 2026
Saturday
1 AUG 2026
Low 76° Low 70° Low 68° Low 72° Low 69°
High 102° High 94° High 92° High 94° High 91°
CHESTERFIELD, MO 63005 weather forecast Day 3 CHESTERFIELD, MO 63005 weather forecast Day 4 CHESTERFIELD, MO 63005 weather forecast Day 5 CHESTERFIELD, MO 63005 weather forecast Day 6 CHESTERFIELD, MO 63005 weather forecast Day 7
Partly Cloudy
15% Rain
Clear
5% Rain
Partly Cloudy
13% Rain
Mostly Cloudy
44% Rain
Partly Cloudy
16% Rain
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