East Saint Louis, IL Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for East Saint Louis, IL in one place.
Sunny, with a high near 93. South wind 3 to 22 mph, with gusts as high as 41 mph.
Local Weather Overview
This forecast page for East Saint Louis, IL 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 16, 2026 8:51 AM CDT.
The active forecast window currently covers Jun 17 to Jun 22, 2026 for East Saint Louis, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jun 17 to Jun 22, 2026
- Latest sync
- Jun 16, 2026 8:51 AM CDT
- Forecast office
- LSX
- Source
- NOAA / NWS
Daily Outlook
This Week in East Saint Louis
Wednesday looks like the warmest upcoming period in East Saint Louis at 93 degrees F.
Thursday Night is the coolest period ahead with temperatures near 62 degrees F.
The strongest winds are forecast for Wednesday at about 3 to 22 mph S.
Precipitation is mentioned in 8 upcoming forecast periods.
Forecast Details
- Last updated
- Jun 16, 2026 8:51 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 likely between 7pm and 10pm, then showers and thunderstorms between 10pm and 1am, then a slight chance of showers and thunderstorms. Mostly cloudy, with a low around 71. Southwest wind 6 to 21 mph, with gusts as high as 37 mph. Chance of precipitation is 80%.
A chance of rain showers before 1pm, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 83. Northwest wind around 8 mph. Chance of precipitation is 30%.
A slight chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 62. Chance of precipitation is 20%.
Sunny, with a high near 85.
Mostly clear, with a low around 64.
Mostly sunny, with a high near 88.
A slight chance of rain showers between 7pm and 1am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 69. Chance of precipitation is 40%.
Showers and thunderstorms likely. Mostly cloudy, with a high near 88. Chance of precipitation is 60%.
Showers and thunderstorms likely. Mostly cloudy, with a low around 71. Chance of precipitation is 70%.
Showers and thunderstorms likely before 7am, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 87. Chance of precipitation is 70%.
A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Chance of precipitation is 30%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Jun 17
|
Sunny
|
93°F |
3 to 22 mph
S
|
|
Wednesday Night
Jun 17
|
Showers And Thunderstorms Likely then Showers And Thunderstorms
|
71°F |
6 to 21 mph
SW
|
|
Thursday
Jun 18
|
Chance Rain Showers then Slight Chance Showers And Thunderstorms
|
83°F |
8 mph
NW
|
|
Thursday Night
Jun 18
|
Slight Chance Showers And Thunderstorms
|
62°F |
1 to 7 mph
NW
|
|
Juneteenth
Jun 19
|
Sunny
|
85°F |
1 to 7 mph
NW
|
|
Friday Night
Jun 19
|
Mostly Clear
|
64°F |
0 to 6 mph
E
|
|
Saturday
Jun 20
|
Mostly Sunny
|
88°F |
1 to 7 mph
S
|
|
Saturday Night
Jun 20
|
Chance Showers And Thunderstorms
|
69°F |
5 to 8 mph
S
|
|
Sunday
Jun 21
|
Showers And Thunderstorms Likely
|
88°F |
7 to 13 mph
S
|
|
Sunday Night
Jun 21
|
Showers And Thunderstorms Likely
|
71°F |
7 to 12 mph
SW
|
|
Monday
Jun 22
|
Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
|
87°F |
8 mph
NW
|
|
Monday Night
Jun 22
|
Chance Showers And Thunderstorms
|
69°F |
3 to 7 mph
N
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around East Saint Louis.
