Wentzville, MO Weather Forecast & Alerts

Current conditions, 5-day forecast, and active NWS weather alerts for Wentzville, MO.

Current Conditions — Wentzville, MO

WASHINGTON (KFYG)

Fog/Mist

60.8 F
Humidity:100%
Wind Speed: 8.1 mph
Barometer: in
Dewpoint:60.8 F
Visibility:6.00 mi
Precip:--
Heat Index:NA
Wind Chill:NA
Apr 24 2026, 09:55 AM CDT
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5-Day Forecast — Wentzville, MO

Friday

High 77 °F
Isolated T-storm
Friday
Night
Low 50 °F
Partly Cloudy
Saturday

High 77 °F
Partly Sunny
Saturday
Night
Low 51 °F
Partly Cloudy
Sunday

High 75 °F
Slight Chance of Rain Showers
Sunday
Night
Low 62 °F
T-storms Likely
Monday

High 80 °F
T-storms
Monday
Night
Low 53 °F
Chance of Showers
Tuesday

High 73 °F
Slight Chance of Showers

Detailed Forecast — Wentzville, MO

Friday
Isolated T-storm. High near 77°F. Wind 5 to 7 mph, with gusts as high as 14 mph.
Friday Night
Partly Cloudy. Low around 50°F. Wind 3 to 5 mph, with gusts as high as 12 mph.
Saturday
Partly Sunny. High near 77°F. Wind 3 to 6 mph, with gusts as high as 12 mph.
Saturday Night
Partly Cloudy. Low around 51°F. Wind 3 to 6 mph, with gusts as high as 13 mph.
Sunday
Slight Chance of Rain Showers. High near 75°F. Wind 8 to 10 mph, with gusts as high as 18 mph.
Sunday Night
Thunderstorms Likely. Low around 62°F. Wind around 10 mph, with gusts as high as 20 mph.
Monday
Thunderstorms. High near 80°F. Wind 16 to 17 mph, with gusts as high as 30 mph.
Monday Night
Chance of Showers. Low around 53°F. Wind around 9 mph, with gusts as high as 20 mph.
Tuesday
Slight Chance of Showers. High near 73°F. Wind 2 to 6 mph, with gusts as high as 13 mph.
Tuesday Night
Chance of Showers. Low around 50°F. Wind around 2 mph, with gusts as high as 8 mph.
Wednesday
Slight Chance of Showers. High near 71°F. Wind 3 to 7 mph, with gusts as high as 13 mph.
Wednesday Night
Chance of Showers. Low around 50°F. Wind around 3 mph, with gusts as high as 10 mph.
Thursday
Chance of Rain Showers. High near 68°F. Wind around 10 mph, with gusts as high as 20 mph.
MO Radar
Current Radar • MO
Day 1 Outlook • April 24, 2026

Observation History — Wentzville, MO

Time Wind
(mph)		 Vis
(mi)		 Weather Precip (in) Temperature (F) Relative
Humidity		 Wind
Chill
(F)		 Heat
Index
(F)		 Pressure
Air Dwpt altimeter
(in)		 sea level
(mb)
09:55 AM CDT 8.1 6.00 Fog/Mist -- 60.8 60.8 100% NA NA M
09:35 AM CDT 0.0 10.00 Mostly Cloudy -- 60.8 60.8 100% NA NA 29.77 1008.1
09:15 AM CDT NW 5.8 10.00 NULL -- 60.8 60.8 100% NA NA 29.75 1007.5
08:55 AM CDT 10.00 Mostly Clear -- 60.8 60.8 100% NA NA 29.69 1005.4
08:35 AM CDT 9.2 10.00 Mostly Cloudy -- 60.8 60.8 100% NA NA 29.72 1006.4
08:15 AM CDT W 6.9 10.00 Unknown Precipitation -- 60.8 60.8 100% NA NA 29.77 1008.1
07:55 AM CDT G 25.3 8.00 Light Rain -- 59.0 59.0 100% NA NA 29.70 1005.8
07:35 AM CDT 9.2 G 17.2 5.00 Light Rain and Fog/Mist -- 59.0 59.0 100% NA NA 29.73 1006.8
07:15 AM CDT 11.4 6.00 Light Rain and Fog/Mist -- 59.0 59.0 100% NA NA 29.75 1007.5
06:55 AM CDT 9.00 Clear -- 60.8 60.8 100% NA NA 29.75 1007.5
06:35 AM CDT 5.00 Light Rain and Fog/Mist -- 60.8 60.8 100% NA NA 29.70 1005.8
06:15 AM CDT 6.9 6.00 Fog/Mist -- 60.8 60.8 100% NA NA 29.73 1006.8
05:55 AM CDT 0.0 5.00 Light Rain and Fog/Mist -- 60.8 60.8 100% NA NA 29.74 1007.1
05:35 AM CDT 0.0 5.00 Light Rain and Fog/Mist -- 60.8 60.8 100% NA NA 29.74 1007.1
05:15 AM CDT 6.9 3.00 Rain and Fog/Mist -- 60.8 60.8 100% NA NA 29.74 1007.1
04:55 AM CDT 0.0 5.00 Light Rain and Fog/Mist -- 60.8 60.8 100% NA NA 29.73 1006.8
04:35 AM CDT S 5.8 5.00 Light Rain and Fog/Mist -- 60.8 60.8 100% NA NA 29.75 1007.5
04:15 AM CDT SE 8.1 4.00 Light Rain and Fog/Mist -- 60.8 60.8 100% NA NA 29.73 1006.8
03:55 AM CDT 0.0 6.00 Fog/Mist -- 60.8 60.8 100% NA NA 29.72 1006.4
03:35 AM CDT 0.0 4.00 Rain and Fog/Mist -- 60.8 60.8 100% NA NA 29.73 1006.8
03:15 AM CDT 3.00 Rain and Fog/Mist -- NULL % NA NA M
02:55 AM CDT 10.3 G 21.9 3.00 Thunderstorms and Rain and Fog/Mist -- 62.6 60.8 94% NA NA 29.76 1007.8
02:35 AM CDT G 39.1 5.00 Light Rain and Haze -- 69.8 62.6 78% NA NA 29.74 1007.1
02:15 AM CDT 12.8 7.00 Mostly Cloudy -- 73.4 62.6 69% NA 73.8 29.70 1005.8

Regional Weather Observation

WASHINGTON (KFYG)

Fog/Mist
60.8 F

ST CHARLES (KSET)

Mostly Cloudy
62.6 F

ST LOUIS/SPIRIT (KSUS)

Mostly Cloudy
60.8 F

MEXICO (KMYJ)

Partly Cloudy
60.8 F

ST LOUIS (KSTL)

Cloudy
60.8 F

PITTSFIELD (KPPQ)

Mostly Cloudy
62.2 F
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