Chesterfield, MO Weather Forecast & Current Conditions

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Chesterfield Weather Map
UTC Time: 9/18/2026, 18:43
Your Time:
Aeronautical Observation: Automated synoptic observations via NWS Gateway.
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Chesterfield, MO Regional Weather

Expires:202609181900;;666368
ASUS43 KEAX 181815
RWREAX

WEATHER ROUNDUP FOR EASTERN KANSAS AND NORTHWEST MISSOURI
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
100 PM CDT FRI SEP 18 2026


MOZ041-047>049-056>058-063>065-088>090-097-181900-
...EASTERN AND SOUTHERN MISSOURI...
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
ST. LOUIS INTL MOSUNNY   93  72  50 VRB5      30.13F HX 101           
6HR MIN TEMP:  75; 6HR MAX TEMP:  93;                                

SPIRIT OF STL  SUNNY     93  74  53 SE5       30.11F HX 103           
COLUMBIA       SUNNY     92  72  51 SW6       30.13F HX  99           
JEFFERSON CITY SUNNY     94  72  48 CALM      30.10F HX 102           
MEXICO         SUNNY     91  73  55 SW7       30.12F HX 100           
HANNIBAL       MOSUNNY   84  73  70 E3        30.16F HX  91           
ROLLA          MOSUNNY   94  69  44 VRB6      30.15F HX  99           
LEBANON        MOSUNNY   95  64  36 SW5       30.16F HX  97           
OSAGE BEACH    SUNNY     96  70  42 VRB5      30.13F HX 102           
SPRINGFIELD    MOSUNNY   93  65  39 S6        30.14F HX  95           
JOPLIN         SUNNY     96  66  37 W10       30.14F HX  99           
WEST PLAINS    SUNNY     94  61  33 W6        30.18F HX  94           
SIKESTON       SUNNY     99  67  34 SW7       30.12F HX 103           

$$


SKY/WX - Weather  TMP - Temperature  DP - Dew Point  RH - Humidity
WIND - Wind Direction/Speed PRES - Barometric Pressure VSB - Visibility
WCI - Wind Chill Index E13G22 Wind - East Wind 13 mph/Gusts of 22 mph

Chesterfield, MO

Afternoon
Thunderstorms
95°/ 72° 35°/ 22°
30%
Saturday
Sunny
98°/ 72° 37°/ 22°
0%
Sunday
Thunderstorms
92°33°
20%
Sun Night-Mon
Thunderstorms
68°20°
70%
Mon Night
Thunderstorms
60°16°
40%
Tue-Tue Night
Mostly Cloudy
72°22°
0%
Wednesday
Cloudy
75°24°
0%
Thursday
Cloudy
75°24°
0%

Day: Sunny with a chance of showers and thunderstorms. Hot. Near steady temperature in the mid 90s. Southeast winds around 5 mph. Chance of rain 30 percent. Heat index values up to 107.

Night: Mostly clear. A slight chance of showers and thunderstorms in the evening. Lows in the lower 70s. Southeast winds around 5 mph. Chance of rain 20 percent. Heat index values up to 102 early in the evening.

Saint Charles, MO

Afternoon
Thunderstorms
95°/ 72° 35°/ 22°
30%
Saturday
Sunny
98°/ 72° 37°/ 22°
0%
Sunday
Thunderstorms
92°33°
20%
Sun Night-Mon
Thunderstorms
68°20°
70%
Mon Night
Thunderstorms
60°16°
40%
Tue-Tue Night
Mostly Cloudy
72°22°
0%
Wednesday
Cloudy
75°24°
0%
Thursday
Cloudy
75°24°
0%

Day: Sunny with a chance of showers and thunderstorms. Hot. Near steady temperature in the mid 90s. Southeast winds around 5 mph. Chance of rain 30 percent. Heat index values up to 107.

Night: Mostly clear. A slight chance of showers and thunderstorms in the evening. Lows in the lower 70s. Southeast winds around 5 mph. Chance of rain 20 percent. Heat index values up to 102 early in the evening.

Franklin, MO

Afternoon
Thunderstorms
95°/ 72° 35°/ 22°
30%
Saturday
Sunny
98°/ 72° 37°/ 22°
0%
Sunday
Rain Showers
92°33°
20%
Sun Night-Mon
Thunderstorms
65°18°
70%
Mon Night
Thunderstorms
58°14°
30%
Tuesday
Mostly Cloudy
72°/ 52° 22°/ 11°
0%
Wednesday
Cloudy
52°11°
0%
Thursday
Cloudy
52°11°
0%

Day: Sunny with a chance of showers and thunderstorms. Hot. Near steady temperature in the mid 90s. Southwest winds around 5 mph. Chance of rain 30 percent. Heat index values up to 106.

Night: Mostly clear. A slight chance of showers and thunderstorms in the evening. Lows in the lower 70s. Light and variable winds, becoming south around 5 mph after midnight. Chance of rain 20 percent.

Monroe, MO

Afternoon
Thunderstorms
95°/ 72° 35°/ 22°
30%
Saturday
Partly Cloudy
98°/ 72° 37°/ 22°
0%
Sunday
Sunny
95°/ 68° 35°/ 20°
50%
Monday
Thunderstorms
82°/ 58° 28°/ 14°
70%
Tue-Tue Night
Mostly Cloudy
72°22°
0%
Wednesday
Cloudy
75°24°
0%
Thursday
Cloudy
75°24°
0%

Day: Sunny with a chance of showers and thunderstorms. Hot. Near steady temperature in the mid 90s. Light and variable winds. Chance of rain 30 percent. Heat index values up to 108.

Night: Mostly clear. A slight chance of showers and thunderstorms in the evening. Lows in the lower 70s. Southeast winds around 5 mph. Chance of rain 20 percent. Heat index values up to 102 early in the evening.

Greene, IL

Afternoon
Thunderstorms
92°/ 70° 33°/ 21°
20%
Saturday
Sunny
95°/ 70° 35°/ 21°
40%
Sunday
Thunderstorms
88°31°
50%
Sun Night-Mon
Thunderstorms
62°17°
70%
Mon Night
Thunderstorms
55°13°
50%
Tue-Tue Night
Mostly Cloudy
70°21°
0%
Wednesday
Cloudy
75°24°
0%
Thursday
Cloudy
75°24°
0%

Day: Sunny with a slight chance of showers and thunderstorms. Near steady temperature in the lower 90s. East winds around 5 mph. Chance of rain 20 percent. Heat index values up to 104.

Night: Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly clear after midnight. Lows around 70. Southeast winds around 5 mph. Chance of rain 20 percent. Heat index values up to 100 early in the evening.

Saint Louis City, MO

Afternoon
Thunderstorms
95°/ 72° 35°/ 22°
30%
Saturday
Sunny
98°/ 72° 37°/ 22°
0%
Sunday
Thunderstorms
92°33°
20%
Sun Night-Mon
Thunderstorms
68°20°
70%
Mon Night
Thunderstorms
60°16°
40%
Tue-Tue Night
Mostly Cloudy
72°22°
0%
Wednesday
Cloudy
75°24°
0%
Thursday
Cloudy
75°24°
0%

Day: Sunny with a chance of showers and thunderstorms. Hot. Near steady temperature in the mid 90s. Southeast winds around 5 mph. Chance of rain 30 percent. Heat index values up to 107.

Night: Mostly clear. A slight chance of showers and thunderstorms in the evening. Lows in the lower 70s. Southeast winds around 5 mph. Chance of rain 20 percent. Heat index values up to 102 early in the evening.

Saint Clair, IL

Afternoon
Thunderstorms
95°/ 72° 35°/ 22°
30%
Saturday
Sunny
98°/ 72° 37°/ 22°
0%
Sunday
Thunderstorms
92°33°
20%
Sun Night-Mon
Thunderstorms
68°20°
70%
Mon Night
Thunderstorms
60°16°
40%
Tue-Tue Night
Mostly Cloudy
72°22°
0%
Wednesday
Cloudy
75°24°
0%
Thursday
Cloudy
75°24°
0%

Day: Sunny with a chance of showers and thunderstorms. Hot. Near steady temperature in the mid 90s. Southeast winds around 5 mph. Chance of rain 30 percent. Heat index values up to 107.

Night: Mostly clear. A slight chance of showers and thunderstorms in the evening. Lows in the lower 70s. Southeast winds around 5 mph. Chance of rain 20 percent. Heat index values up to 102 early in the evening.

Montgomery, MO

Afternoon
Thunderstorms
92°/ 72° 33°/ 22°
30%
Saturday
Mostly Cloudy
95°/ 70° 35°/ 21°
20%
Sunday
Thunderstorms
88°31°
40%
Sun Night-Mon
Thunderstorms
62°17°
70%
Mon Night
Thunderstorms
58°14°
50%
Tue-Tue Night
Mostly Cloudy
68°20°
0%
Wednesday
Cloudy
75°24°
0%
Thursday
Cloudy
75°24°
0%

Day: Sunny with a chance of showers and thunderstorms. Near steady temperature in the lower 90s. South winds around 5 mph. Chance of rain 30 percent. Heat index values up to 106.

Night: Mostly clear. A slight chance of showers and thunderstorms in the evening. Lows in the lower 70s. Southeast winds around 5 mph. Chance of rain 20 percent. Heat index values up to 101 early in the evening.

Madison, IL

Afternoon
Thunderstorms
95°/ 72° 35°/ 22°
30%
Saturday
Sunny
98°/ 72° 37°/ 22°
0%
Sunday
Thunderstorms
92°33°
20%
Sun Night-Mon
Thunderstorms
68°20°
70%
Mon Night
Thunderstorms
60°16°
40%
Tue-Tue Night
Mostly Cloudy
72°22°
0%
Wednesday
Cloudy
75°24°
0%
Thursday
Cloudy
75°24°
0%

Day: Sunny with a chance of showers and thunderstorms. Hot. Near steady temperature in the mid 90s. Southeast winds around 5 mph. Chance of rain 30 percent. Heat index values up to 107.

Night: Mostly clear. A slight chance of showers and thunderstorms in the evening. Lows in the lower 70s. Southeast winds around 5 mph. Chance of rain 20 percent. Heat index values up to 102 early in the evening.

Warren, MO

Afternoon
Thunderstorms
95°/ 72° 35°/ 22°
30%
Saturday
Mostly Cloudy
95°/ 70° 35°/ 21°
0%
Sunday
Thunderstorms
90°32°
20%
Sun Night-Mon
Thunderstorms
65°18°
70%
Mon Night
Thunderstorms
58°14°
30%
Tue-Tue Night
Mostly Cloudy
70°21°
0%
Wednesday
Cloudy
75°24°
0%
Thursday
Cloudy
75°24°
0%

Day: Sunny with a chance of showers and thunderstorms. Hot. Near steady temperature in the mid 90s. Light and variable winds. Chance of rain 30 percent. Heat index values up to 107.

Night: Mostly clear. A slight chance of showers and thunderstorms in the evening. Lows in the lower 70s. Light and variable winds, becoming south around 5 mph after midnight. Chance of rain 20 percent. Heat index values up to 101 early in the evening.

Monroe, IL

Afternoon
Thunderstorms
95°/ 72° 35°/ 22°
30%
Saturday
Partly Cloudy
98°/ 72° 37°/ 22°
0%
Sunday
Sunny
95°/ 68° 35°/ 20°
50%
Monday
Thunderstorms
82°/ 58° 28°/ 14°
70%
Tue-Tue Night
Mostly Cloudy
72°22°
0%
Wednesday
Cloudy
75°24°
0%
Thursday
Cloudy
75°24°
0%

Day: Sunny with a chance of showers and thunderstorms. Hot. Near steady temperature in the mid 90s. Light and variable winds. Chance of rain 30 percent. Heat index values up to 108.

Night: Mostly clear. A slight chance of showers and thunderstorms in the evening. Lows in the lower 70s. Southeast winds around 5 mph. Chance of rain 20 percent. Heat index values up to 102 early in the evening.

Washington, MO

Afternoon
Thunderstorms
95°/ 72° 35°/ 22°
30%
Saturday
Sunny
98°/ 72° 37°/ 22°
0%
Sunday
Rain Showers
92°33°
20%
Sun Night-Mon
Thunderstorms
65°18°
70%
Mon Night
Thunderstorms
58°14°
30%
Tuesday
Mostly Cloudy
72°/ 52° 22°/ 11°
0%
Wednesday
Cloudy
52°11°
0%
Thursday
Cloudy
52°11°
0%

Day: Sunny with a chance of showers and thunderstorms. Hot. Near steady temperature in the mid 90s. Southwest winds around 5 mph. Chance of rain 30 percent. Heat index values up to 106.

Night: Mostly clear. A slight chance of showers and thunderstorms in the evening. Lows in the lower 70s. Light and variable winds, becoming south around 5 mph after midnight. Chance of rain 20 percent.

Saint Francois, MO

Afternoon
Thunderstorms
95°/ 70° 35°/ 21°
20%
Saturday
Sunny
98°/ 70° 37°/ 21°
0%
Sunday
Sunny
95°/ 68° 35°/ 20°
50%
Monday
Thunderstorms
85°/ 62° 29°/ 17°
70%
Tuesday
Partly Cloudy
75°/ 55° 24°/ 13°
0%
Wednesday
Cloudy
55°13°
0%
Thursday
Cloudy
55°13°
0%

Day: Sunny with a slight chance of showers and thunderstorms. Hot. Near steady temperature in the mid 90s. Southwest winds around 5 mph. Chance of rain 20 percent. Heat index values up to 104.

Night: Mostly clear. A slight chance of showers and thunderstorms in the evening. Lows around 70. Light and variable winds, becoming south around 5 mph after midnight. Chance of rain 20 percent. Heat index values up to 100 early in the evening.

Adams, MO

Afternoon
Sunny
88°/ 72° 31°/ 22°
0%
Saturday
Mostly Cloudy
92°/ 68° 33°/ 20°
50%
Sunday
Thunderstorms
82°/ 62° 28°/ 17°
70%
Monday
Thunderstorms
68°/ 55° 20°/ 13°
70%
Tue-Tue Night
Mostly Cloudy
65°18°
0%
Wed-Wed Night
Cloudy
68°20°
0%
Thursday
Partly Cloudy
72°22°
0%

Day: Sunny. Highs in the upper 80s. Southeast winds around 5 mph. Heat index values up to 102.

Night: Mostly clear in the evening, then becoming partly cloudy. Humid with lows in the lower 70s. Southeast winds around 5 mph.

Randolph, IL

Afternoon
Thunderstorms
95°/ 70° 35°/ 21°
30%
Saturday
Sunny
98°/ 72° 37°/ 22°
0%
Sunday
Sunny
95°/ 68° 35°/ 20°
50%
Monday
Thunderstorms
85°/ 60° 29°/ 16°
60%
Tuesday
Partly Cloudy
75°/ 55° 24°/ 13°
0%
Wednesday
Cloudy
55°13°
0%
Thursday
Cloudy
55°13°
0%

Day: Sunny with a chance of showers and thunderstorms. Hot. Near steady temperature in the mid 90s. Southwest winds around 5 mph. Chance of rain 30 percent. Heat index values up to 107.

Night: Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly clear after midnight. Lows around 70. South winds around 5 mph. Chance of rain 20 percent. Heat index values up to 100 early in the evening.

Gasconade, MO

Afternoon
Thunderstorms
95°/ 72° 35°/ 22°
30%
Saturday
Sunny
98°/ 72° 37°/ 22°
0%
Sunday
Rain Showers
92°33°
20%
Sun Night-Mon
Thunderstorms
65°18°
70%
Mon Night
Thunderstorms
58°14°
30%
Tuesday
Mostly Cloudy
72°/ 52° 22°/ 11°
0%
Wednesday
Cloudy
52°11°
0%
Thursday
Cloudy
52°11°
0%

Day: Sunny with a chance of showers and thunderstorms. Hot. Near steady temperature in the mid 90s. Southwest winds around 5 mph. Chance of rain 30 percent. Heat index values up to 106.

Night: Mostly clear. A slight chance of showers and thunderstorms in the evening. Lows in the lower 70s. Light and variable winds, becoming south around 5 mph after midnight. Chance of rain 20 percent.

Clinton, IL

Afternoon
Thunderstorms
95°/ 72° 35°/ 22°
30%
Saturday
Sunny
98°/ 72° 37°/ 22°
0%
Sunday
Rain Showers
92°/ 68° 33°/ 20°
50%
Monday
Thunderstorms
85°/ 60° 29°/ 16°
60%
Tuesday
Thunderstorms
75°/ 55° 24°/ 13°
20%
Wednesday
Cloudy
55°13°
0%
Thursday
Cloudy
55°13°
0%

Day: Sunny with a chance of showers and thunderstorms. Hot. Near steady temperature in the mid 90s. North winds around 5 mph. Chance of rain 30 percent. Heat index values up to 106.

Night: Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly clear after midnight. Humid with lows in the lower 70s. Southeast winds around 5 mph. Chance of rain 20 percent. Heat index values up to 101 early in the evening.

Sainte Genevieve, MO

Afternoon
Thunderstorms
95°/ 70° 35°/ 21°
30%
Saturday
Sunny
98°/ 72° 37°/ 22°
0%
Sunday
Sunny
95°/ 68° 35°/ 20°
50%
Monday
Thunderstorms
85°/ 60° 29°/ 16°
60%
Tuesday
Partly Cloudy
75°/ 55° 24°/ 13°
0%
Wednesday
Cloudy
55°13°
0%
Thursday
Cloudy
55°13°
0%

Day: Sunny with a chance of showers and thunderstorms. Hot. Near steady temperature in the mid 90s. Southwest winds around 5 mph. Chance of rain 30 percent. Heat index values up to 107.

Night: Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly clear after midnight. Lows around 70. South winds around 5 mph. Chance of rain 20 percent. Heat index values up to 100 early in the evening.

Crawford, MO

Afternoon
Thunderstorms
95°/ 72° 35°/ 22°
30%
Saturday
Sunny
98°/ 72° 37°/ 22°
0%
Sunday
Rain Showers
92°33°
20%
Sun Night-Mon
Thunderstorms
65°18°
70%
Mon Night
Thunderstorms
58°14°
30%
Tuesday
Mostly Cloudy
72°/ 52° 22°/ 11°
0%
Wednesday
Cloudy
52°11°
0%
Thursday
Cloudy
52°11°
0%

Day: Sunny with a chance of showers and thunderstorms. Hot. Near steady temperature in the mid 90s. Southwest winds around 5 mph. Chance of rain 30 percent. Heat index values up to 106.

Night: Mostly clear. A slight chance of showers and thunderstorms in the evening. Lows in the lower 70s. Light and variable winds, becoming south around 5 mph after midnight. Chance of rain 20 percent.

Washington, IL

Afternoon
Thunderstorms
95°/ 72° 35°/ 22°
30%
Saturday
Sunny
98°/ 72° 37°/ 22°
0%
Sunday
Rain Showers
92°/ 68° 33°/ 20°
50%
Monday
Thunderstorms
85°/ 60° 29°/ 16°
60%
Tuesday
Thunderstorms
75°/ 55° 24°/ 13°
20%
Wednesday
Cloudy
55°13°
0%
Thursday
Cloudy
55°13°
0%

Day: Sunny with a chance of showers and thunderstorms. Hot. Near steady temperature in the mid 90s. North winds around 5 mph. Chance of rain 30 percent. Heat index values up to 106.

Night: Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly clear after midnight. Humid with lows in the lower 70s. Southeast winds around 5 mph. Chance of rain 20 percent. Heat index values up to 101 early in the evening.

Names listed above may include county names.

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