Wentzville, MO Weather Forecast

Local 7-day forecast

83°
F

Sunny

Track current conditions, temperature changes, wind, and the full daily outlook for Wentzville, MO in one place.

Monday, May 25, 2026
Wind: 1 to 7 mph E
Memorial Day

Sunny, with a high near 83. East wind 1 to 7 mph.

Local 7-day forecast

Local Weather Overview

This forecast page for Wentzville, MO is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: May 24, 2026 11:55 AM CDT.

The active forecast window currently covers May 25 to May 30, 2026 for Wentzville, MO.

Page Snapshot

Page focus
city weather
Forecast window
May 25 to May 30, 2026
Latest sync
May 24, 2026 11:55 AM CDT
Forecast office
LSX
Source
NOAA / NWS
Next High
83°F
Memorial Day
Next Low
61°F
Monday Night
Rain Outlook
10
Periods mentioning precipitation
Windiest
6 to 9 mph
Saturday

Daily Outlook

Today
May 25
Sunny
83 °F
/ 61°F
Wind 1 to 7 mph
Tue
May 26
Slight Chance Showers And Thunderstorms
81 °F
/ 65°F
Wind 2 to 6 mph
Wed
May 27
Chance Showers And Thunderstorms
85 °F
/ 65°F
Wind 3 mph
Thu
May 28
Slight Chance Showers And Thunderstorms
84 °F
/ 65°F
Wind 3 mph
Fri
May 29
Showers And Thunderstorms Likely
79 °F
/ 60°F
Wind 7 mph
Sat
May 30
Chance Rain Showers
78 °F
/ 58°F
Wind 6 to 9 mph

This Week in Wentzville

Wednesday looks like the warmest upcoming period in Wentzville at 85 degrees F.

Saturday Night is the coolest period ahead with temperatures near 58 degrees F.

The strongest winds are forecast for Saturday at about 6 to 9 mph NE.

Precipitation is mentioned in 10 upcoming forecast periods.

Forecast Details

Last updated
May 24, 2026 11:55 AM CDT
Coverage
6 days
Time zone
America/Chicago
Forecast office
LSX
Radar station
KLSX

Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.

Open NOAA source

Extended Forecast

Monday Night
May 25
61°F
Partly Cloudy
1 to 5 mph E

Partly cloudy, with a low around 61. East wind 1 to 5 mph.

Tuesday
May 26
81°F
Slight Chance Showers And Thunderstorms
2 to 6 mph E

A slight chance of rain showers between 7am and 10am, then a slight chance of showers and thunderstorms between 10am and 1pm, then showers and thunderstorms likely. Partly sunny, with a high near 81. East wind 2 to 6 mph. Chance of precipitation is 60%.

Tuesday Night
May 26
65°F
Showers And Thunderstorms Likely
3 mph SE

Showers and thunderstorms likely. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.

Wednesday
May 27
85°F
Chance Showers And Thunderstorms
3 mph SE

A chance of showers and thunderstorms before 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 85. Chance of precipitation is 50%.

Wednesday Night
May 27
65°F
Chance Showers And Thunderstorms
2 mph E

A chance of showers and thunderstorms. Partly cloudy, with a low around 65. Chance of precipitation is 50%.

Thursday
May 28
84°F
Slight Chance Showers And Thunderstorms
3 mph E

A slight chance of showers and thunderstorms before 1pm, then showers and thunderstorms likely. Partly sunny, with a high near 84. Chance of precipitation is 60%.

Thursday Night
May 28
65°F
Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
3 mph E

Showers and thunderstorms likely before 7pm, then a chance of showers and thunderstorms between 7pm and 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.

Friday
May 29
79°F
Showers And Thunderstorms Likely
7 mph NE

Showers and thunderstorms likely. Partly sunny, with a high near 79. Chance of precipitation is 60%.

Friday Night
May 29
60°F
Showers And Thunderstorms Likely
7 mph E

Showers and thunderstorms likely. Mostly cloudy, with a low around 60. Chance of precipitation is 60%.

Saturday
May 30
78°F
Chance Rain Showers
6 to 9 mph NE

A chance of rain showers before 1pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 78. Chance of precipitation is 30%.

Saturday Night
May 30
58°F
Chance Showers And Thunderstorms then Partly Cloudy
3 to 8 mph NE

A chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 58. Chance of precipitation is 30%.

Detailed Forecast

Period Conditions Temp Wind
Memorial Day
May 25
Sunny
83°F
1 to 7 mph
E
Monday Night
May 25
Partly Cloudy
61°F
1 to 5 mph
E
Tuesday
May 26
Slight Chance Showers And Thunderstorms
81°F
2 to 6 mph
E
Tuesday Night
May 26
Showers And Thunderstorms Likely
65°F
3 mph
SE
Wednesday
May 27
Chance Showers And Thunderstorms
85°F
3 mph
SE
Wednesday Night
May 27
Chance Showers And Thunderstorms
65°F
2 mph
E
Thursday
May 28
Slight Chance Showers And Thunderstorms
84°F
3 mph
E
Thursday Night
May 28
Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
65°F
3 mph
E
Friday
May 29
Showers And Thunderstorms Likely
79°F
7 mph
NE
Friday Night
May 29
Showers And Thunderstorms Likely
60°F
7 mph
E
Saturday
May 30
Chance Rain Showers
78°F
6 to 9 mph
NE
Saturday Night
May 30
Chance Showers And Thunderstorms then Partly Cloudy
58°F
3 to 8 mph
NE
Downtown Wentzville
Downtown Wentzville image
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.