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 88. Heat index values as high as 99. Southwest wind 12 to 15 mph, with gusts as high as 22 mph. New rainfall amounts less than a tenth of an inch possible.
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: Jun 8, 2026 5:35 PM CDT.
The active forecast window currently covers Jun 9 to Jun 14, 2026 for Wheaton, MO.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jun 9 to Jun 14, 2026
- Latest sync
- Jun 8, 2026 5:35 PM CDT
- Forecast office
- SGF
- Source
- NOAA / NWS
Daily Outlook
This Week in Wheaton
Tuesday looks like the warmest upcoming period in Wheaton at 88 degrees F.
Sunday Night is the coolest period ahead with temperatures near 64 degrees F.
The strongest winds are forecast for Thursday at about 15 to 20 mph SW.
Precipitation is mentioned in 9 upcoming forecast periods.
Forecast Details
- Last updated
- Jun 8, 2026 5:35 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 73. Heat index values as high as 96. South wind around 12 mph, with gusts as high as 21 mph.
Sunny, with a high near 87. Southwest wind 13 to 17 mph, with gusts as high as 26 mph.
Mostly clear, with a low around 74.
A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88.
A chance of showers and thunderstorms before 7pm, then showers and thunderstorms between 7pm and 1am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 66.
A chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms. Partly sunny, with a high near 81.
A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 67.
A chance of showers and thunderstorms before 7am, then showers and thunderstorms likely between 7am and 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 82.
A chance of showers and thunderstorms 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 69.
A chance of showers and thunderstorms. Partly sunny, with a high near 81.
A chance of showers and thunderstorms before 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 64.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Jun 9
|
Sunny
|
88°F |
12 to 15 mph
SW
|
|
Tuesday Night
Jun 9
|
Mostly Clear
|
73°F |
12 mph
S
|
|
Wednesday
Jun 10
|
Sunny
|
87°F |
13 to 17 mph
SW
|
|
Wednesday Night
Jun 10
|
Mostly Clear
|
74°F |
12 to 15 mph
S
|
|
Thursday
Jun 11
|
Mostly Sunny then Chance Showers And Thunderstorms
|
88°F |
15 to 20 mph
SW
|
|
Thursday Night
Jun 11
|
Chance Showers And Thunderstorms then Showers And Thunderstorms
|
66°F |
5 to 15 mph
NW
|
|
Friday
Jun 12
|
Chance Showers And Thunderstorms
|
81°F |
6 mph
NE
|
|
Friday Night
Jun 12
|
Chance Showers And Thunderstorms
|
67°F |
6 mph
SE
|
|
Saturday
Jun 13
|
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
|
82°F |
9 mph
S
|
|
Saturday Night
Jun 13
|
Chance Showers And Thunderstorms
|
69°F |
7 mph
SE
|
|
Sunday
Jun 14
|
Chance Showers And Thunderstorms
|
81°F |
7 to 10 mph
S
|
|
Sunday Night
Jun 14
|
Chance Showers And Thunderstorms
|
64°F |
8 mph
E
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Wheaton.