St. Louis, MO Weather Forecast
Local 7-day forecast
Mostly Sunny then Scattered Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for St. Louis, MO in one place.
Scattered showers and thunderstorms after 1pm. Mostly sunny, with a high near 94. Heat index values as high as 101. Southwest wind 5 to 9 mph. Chance of precipitation is 50%.
Local Weather Overview
This forecast page for St. Louis, 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 8, 2026 11:10 AM CDT.
The active forecast window currently covers Jul 9 to Jul 14, 2026 for St. Louis, MO.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 9 to Jul 14, 2026
- Latest sync
- Jul 8, 2026 11:10 AM CDT
- Forecast office
- LSX
- Source
- NOAA / NWS
Daily Outlook
This Week in St. Louis
Thursday looks like the warmest upcoming period in St. Louis at 94 degrees F.
Saturday Night is the coolest period ahead with temperatures near 72 degrees F.
The strongest winds are forecast for Thursday at about 5 to 9 mph SW.
Precipitation is mentioned in 8 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 8, 2026 11:10 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
Showers and thunderstorms. Some of the storms could produce heavy rain. Mostly cloudy, with a low around 75. Heat index values as high as 100. Southwest wind 3 to 7 mph. Chance of precipitation is 80%.
Showers and thunderstorms. Partly sunny, with a high near 91. West wind around 6 mph. Chance of precipitation is 80%.
Showers and thunderstorms likely. Mostly cloudy, with a low around 73. Chance of precipitation is 70%.
Showers and thunderstorms likely. Partly sunny, with a high near 88. Chance of precipitation is 70%.
A chance of showers and thunderstorms. Partly cloudy, with a low around 72. Chance of precipitation is 50%.
A chance of showers and thunderstorms. Mostly sunny, with a high near 89. Chance of precipitation is 30%.
A slight chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 72. Chance of precipitation is 20%.
Sunny, with a high near 91.
Mostly clear, with a low around 73.
Sunny, with a high near 93.
Mostly clear, with a low around 74.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Thursday
Jul 9
|
Mostly Sunny then Scattered Showers And Thunderstorms
|
94°F |
5 to 9 mph
SW
|
|
Thursday Night
Jul 9
|
Showers And Thunderstorms
|
75°F |
3 to 7 mph
SW
|
|
Friday
Jul 10
|
Showers And Thunderstorms
|
91°F |
6 mph
W
|
|
Friday Night
Jul 10
|
Showers And Thunderstorms Likely
|
73°F |
1 to 5 mph
SW
|
|
Saturday
Jul 11
|
Showers And Thunderstorms Likely
|
88°F |
5 mph
W
|
|
Saturday Night
Jul 11
|
Chance Showers And Thunderstorms
|
72°F |
1 to 5 mph
N
|
|
Sunday
Jul 12
|
Chance Showers And Thunderstorms
|
89°F |
3 to 7 mph
NE
|
|
Sunday Night
Jul 12
|
Slight Chance Showers And Thunderstorms then Partly Cloudy
|
72°F |
2 to 7 mph
NE
|
|
Monday
Jul 13
|
Sunny
|
91°F |
2 to 6 mph
NE
|
|
Monday Night
Jul 13
|
Mostly Clear
|
73°F |
1 to 6 mph
E
|
|
Tuesday
Jul 14
|
Sunny
|
93°F |
5 mph
N
|
|
Tuesday Night
Jul 14
|
Mostly Clear
|
74°F |
5 mph
SE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around St. Louis.
Nearby forecast pages are not available for this location yet.
