Wheaton, MO Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Wheaton, MO in one place.
Sunny, with a high near 99. Heat index values as high as 107. Southwest wind around 7 mph.
Local Weather Overview
This forecast page for Wheaton, 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: Jul 25, 2026 7:33 PM CDT.
The active forecast window currently covers Jul 26 to Jul 31, 2026 for Wheaton, MO.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 26 to Jul 31, 2026
- Latest sync
- Jul 25, 2026 7:33 PM CDT
- Forecast office
- SGF
- Source
- NOAA / NWS
Daily Outlook
This Week in Wheaton
Sunday looks like the warmest upcoming period in Wheaton at 99 degrees F.
Friday Night is the coolest period ahead with temperatures near 72 degrees F.
The strongest winds are forecast for Monday at about 6 to 10 mph SW.
Precipitation is mentioned in 5 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 25, 2026 7:33 PM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- SGF
- Radar station
- KSGF
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly clear, with a low around 76. Heat index values as high as 104. Southwest wind around 6 mph.
Sunny, with a high near 98. Southwest wind 6 to 10 mph.
Mostly clear, with a low around 76.
Sunny, with a high near 99.
A slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 76.
A slight chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 95.
Partly cloudy, with a low around 73.
Mostly sunny, with a high near 94.
A slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 73.
A chance of showers and thunderstorms. Mostly sunny, with a high near 92.
A slight chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Mostly clear, with a low around 72.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Sunday
Jul 26
|
Sunny
|
99°F |
7 mph
SW
|
|
Sunday Night
Jul 26
|
Mostly Clear
|
76°F |
6 mph
SW
|
|
Monday
Jul 27
|
Sunny
|
98°F |
6 to 10 mph
SW
|
|
Monday Night
Jul 27
|
Mostly Clear
|
76°F |
8 mph
S
|
|
Tuesday
Jul 28
|
Sunny
|
99°F |
8 mph
SW
|
|
Tuesday Night
Jul 28
|
Partly Cloudy then Slight Chance Showers And Thunderstorms
|
76°F |
6 mph
S
|
|
Wednesday
Jul 29
|
Slight Chance Showers And Thunderstorms
|
95°F |
7 mph
S
|
|
Wednesday Night
Jul 29
|
Partly Cloudy
|
73°F |
6 mph
SE
|
|
Thursday
Jul 30
|
Mostly Sunny
|
94°F |
8 mph
S
|
|
Thursday Night
Jul 30
|
Partly Cloudy then Slight Chance Showers And Thunderstorms
|
73°F |
7 mph
SE
|
|
Friday
Jul 31
|
Chance Showers And Thunderstorms
|
92°F |
9 mph
S
|
|
Friday Night
Jul 31
|
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
|
72°F |
7 mph
E
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Wheaton.