City of Saint Louis, MO Weather Forecast
County weather hub
Mostly Sunny
Compare major city weather across City of Saint Louis, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Mostly sunny, with a high near 83. Northwest wind around 6 mph.
County Weather Overview
This county weather page brings together forecast coverage for City of Saint Louis so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 1 of 1 mapped cities in City of Saint Louis.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Aug 23 to Aug 29, 2026
- Latest sync
- Aug 23, 2026 4:04 PM CDT
- Forecast office
- LSX
- Source
- NOAA / NWS
Daily Outlook
This Week in City of Saint Louis
Wednesday looks like the warmest upcoming period in City of Saint Louis at 91 degrees F.
Tonight is the coolest period ahead with temperatures near 59 degrees F.
The strongest winds are forecast for Thursday at about 2 to 8 mph NW.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- Aug 23, 2026 4:04 PM CDT
- Coverage
- 7 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
Patchy fog after 5am. Partly cloudy, with a low around 59. Northeast wind 0 to 6 mph.
Patchy fog before 9am. Mostly sunny, with a high near 84. Southeast wind 1 to 5 mph.
Mostly clear, with a low around 63. East wind around 5 mph.
Mostly sunny, with a high near 87. East wind around 6 mph.
Partly cloudy, with a low around 69.
Mostly sunny, with a high near 91.
A slight chance of showers and thunderstorms between 7pm and 1am. Partly cloudy, with a low around 69. Chance of precipitation is 20%.
Sunny, with a high near 88.
Mostly clear, with a low around 67.
Sunny, with a high near 88.
Partly cloudy, with a low around 69.
A slight chance of rain showers between 7am and 1pm. Mostly sunny, with a high near 89. Chance of precipitation is 20%.
A chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 72. Chance of precipitation is 30%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
This Afternoon
Aug 23
|
Mostly Sunny
|
83°F |
6 mph
NW
|
|
Tonight
Aug 23
|
Partly Cloudy then Patchy Fog
|
59°F |
0 to 6 mph
NE
|
|
Monday
Aug 24
|
Patchy Fog then Mostly Sunny
|
84°F |
1 to 5 mph
SE
|
|
Monday Night
Aug 24
|
Mostly Clear
|
63°F |
5 mph
E
|
|
Tuesday
Aug 25
|
Mostly Sunny
|
87°F |
6 mph
E
|
|
Tuesday Night
Aug 25
|
Partly Cloudy
|
69°F |
5 mph
SE
|
|
Wednesday
Aug 26
|
Mostly Sunny
|
91°F |
5 mph
S
|
|
Wednesday Night
Aug 26
|
Slight Chance Showers And Thunderstorms
|
69°F |
5 mph
W
|
|
Thursday
Aug 27
|
Sunny
|
88°F |
2 to 8 mph
NW
|
|
Thursday Night
Aug 27
|
Mostly Clear
|
67°F |
1 to 7 mph
N
|
|
Friday
Aug 28
|
Sunny
|
88°F |
1 to 5 mph
N
|
|
Friday Night
Aug 28
|
Partly Cloudy
|
69°F |
5 mph
E
|
|
Saturday
Aug 29
|
Slight Chance Rain Showers
|
89°F |
3 to 8 mph
S
|
|
Saturday Night
Aug 29
|
Partly Cloudy then Chance Showers And Thunderstorms
|
72°F |
8 mph
S
|
Major City Forecasts
Live forecast snapshots for major cities across City of Saint Louis.
Coverage
Forecast coverage currently spans 1 of 1 mapped cities in City of Saint Louis.
Largest mapped city population in this region: 315,685.