Saint Thomas, MO Weather Forecast
Local 7-day forecast
Chance Showers And Thunderstorms then Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Saint Thomas, MO in one place.
A chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 88. Northwest wind 1 to 5 mph. Chance of precipitation is 40%.
Local Weather Overview
This forecast page for Saint Thomas, 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 31, 2026 11:16 AM CDT.
The active forecast window currently covers Jun 1 to Jun 6, 2026 for Saint Thomas, MO.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jun 1 to Jun 6, 2026
- Latest sync
- May 31, 2026 11:16 AM CDT
- Forecast office
- LSX
- Source
- NOAA / NWS
Daily Outlook
This Week in Saint Thomas
Monday looks like the warmest upcoming period in Saint Thomas at 88 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 58 degrees F.
The strongest winds are forecast for Tuesday at about 2 to 7 mph NE.
Precipitation is mentioned in 7 upcoming forecast periods.
Forecast Details
- Last updated
- May 31, 2026 11:16 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 sourceExtended Forecast
A slight chance of rain showers after 1am. Partly cloudy, with a low around 65. Northeast wind 1 to 5 mph. Chance of precipitation is 20%.
A slight chance of rain showers before 7am. Mostly sunny, with a high near 83. Northeast wind 2 to 7 mph. Chance of precipitation is 20%.
Mostly clear, with a low around 58.
Sunny, with a high near 82.
Mostly clear, with a low around 58.
Sunny, with a high near 85.
Mostly clear, with a low around 65.
A slight chance of rain showers between 7am and 1pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 86. Chance of precipitation is 30%.
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. Partly cloudy, with a low around 68. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 7am, then showers and thunderstorms likely. Partly sunny, with a high near 86. Chance of precipitation is 60%.
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 68. Chance of precipitation is 60%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Monday
Jun 1
|
Chance Showers And Thunderstorms then Mostly Sunny
|
88°F |
1 to 5 mph
NW
|
|
Monday Night
Jun 1
|
Partly Cloudy then Slight Chance Rain Showers
|
65°F |
1 to 5 mph
NE
|
|
Tuesday
Jun 2
|
Slight Chance Rain Showers then Mostly Sunny
|
83°F |
2 to 7 mph
NE
|
|
Tuesday Night
Jun 2
|
Mostly Clear
|
58°F |
1 to 7 mph
E
|
|
Wednesday
Jun 3
|
Sunny
|
82°F |
3 mph
E
|
|
Wednesday Night
Jun 3
|
Mostly Clear
|
58°F |
3 mph
SE
|
|
Thursday
Jun 4
|
Sunny
|
85°F |
2 to 6 mph
S
|
|
Thursday Night
Jun 4
|
Mostly Clear
|
65°F |
5 mph
S
|
|
Friday
Jun 5
|
Slight Chance Rain Showers then Chance Showers And Thunderstorms
|
86°F |
7 mph
S
|
|
Friday Night
Jun 5
|
Chance Showers And Thunderstorms
|
68°F |
6 mph
S
|
|
Saturday
Jun 6
|
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
|
86°F |
6 mph
S
|
|
Saturday Night
Jun 6
|
Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
|
68°F |
5 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Saint Thomas.