Saint Mary, MO Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Saint Mary, MO in one place.
Sunny, with a high near 81. Northeast wind 3 to 9 mph.
Local Weather Overview
This forecast page for Saint Mary, 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 2 to Jun 6, 2026 for Saint Mary, MO.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jun 2 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 Mary
Friday looks like the warmest upcoming period in Saint Mary at 87 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 56 degrees F.
The strongest winds are forecast for Friday at about 5 to 10 mph S.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- May 31, 2026 11:16 AM CDT
- Coverage
- 5 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
Clear, with a low around 56. Northeast wind 1 to 9 mph.
Sunny, with a high near 81. East northeast wind 2 to 6 mph.
Clear, with a low around 57. Southeast wind 0 to 5 mph.
Sunny, with a high near 84. South southeast wind 0 to 8 mph.
Mostly clear, with a low around 63. South wind 5 to 8 mph.
Mostly sunny, with a high near 87. South wind 5 to 10 mph.
A slight chance of rain showers after 1am. Partly cloudy, with a low around 67. South wind 6 to 10 mph.
A slight chance of rain showers before 7am, then a chance of showers and thunderstorms. Partly sunny, with a high near 87. South southwest wind 6 to 9 mph.
A chance of showers and thunderstorms before 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 69. South wind 5 to 8 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Jun 2
|
Sunny
|
81°F |
3 to 9 mph
NE
|
|
Tuesday Night
Jun 2
|
Clear
|
56°F |
1 to 9 mph
NE
|
|
Wednesday
Jun 3
|
Sunny
|
81°F |
2 to 6 mph
ENE
|
|
Wednesday Night
Jun 3
|
Clear
|
57°F |
0 to 5 mph
SE
|
|
Thursday
Jun 4
|
Sunny
|
84°F |
0 to 8 mph
SSE
|
|
Thursday Night
Jun 4
|
Mostly Clear
|
63°F |
5 to 8 mph
S
|
|
Friday
Jun 5
|
Mostly Sunny
|
87°F |
5 to 10 mph
S
|
|
Friday Night
Jun 5
|
Partly Cloudy then Slight Chance Rain Showers
|
67°F |
6 to 10 mph
S
|
|
Saturday
Jun 6
|
Chance Showers And Thunderstorms
|
87°F |
6 to 9 mph
SSW
|
|
Saturday Night
Jun 6
|
Chance Showers And Thunderstorms
|
69°F |
5 to 8 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Saint Mary.