EAST SAINT LOUIS, IL 62203 Weather Forecast & Current Conditions

Enter ZIP code or City, State   
    


EAST ST. LOUIS, IL
Current Weather

3:53 PM CDT JUL 16, 2025
Clear
95°F
Feels Like: 104°F
Dewpoint: 72°F
Rel. Hum.: 48%
Visibility: 10 miles
Wind: SW at 9 mph, gusts to 18
Pressure: 29.85 inches
Last 72 hours

Local Area Snow Depth

Illinois Current Weather

Illinois MOS Forecast Weather


Regional Weather Maps


(Automated weather data from NWS/FAA)
10-Day model forecast maps
2025 Hurricanes

EAST SAINT LOUIS, IL 62203
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
THIS AFTERNOON
Mostly sunny with a slight chance of showers and thunderstorms. Near steady temperature in the lower 90s. Southwest winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 20 percent. Heat index values up to 106.
TONIGHT
Mostly cloudy with a slight chance of showers and thunderstorms. Humid with lows in the mid 70s. Southwest winds 5 to 10 mph. Chance of rain 20 percent. Heat index values up to 103 early in the evening.
THURSDAY
Partly sunny. A chance of showers and thunderstorms in the afternoon. Humid with highs in the upper 80s. Northwest winds 5 to 10 mph, becoming north in the afternoon. Chance of rain 50 percent. Heat index values up to 100.
THURSDAY NIGHT
Mostly cloudy with a chance of showers. A chance of thunderstorms, mainly in the evening. Lows in the lower 70s. Northeast winds around 5 mph. Chance of rain 50 percent.
FRIDAY
Mostly cloudy with a chance of showers and thunderstorms. Humid with highs in the upper 80s. Southeast winds around 5 mph. Chance of rain 50 percent.
FRIDAY NIGHT
Mostly cloudy with a slight chance of showers and thunderstorms. Lows in the lower 70s. Chance of rain 20 percent.
SATURDAY THROUGH SUNDAY NIGHT
Partly cloudy with a chance of showers and thunderstorms. Highs in the lower 90s. Lows in the mid 70s. Chance of rain 40 percent. Heat index values up to 105.
MONDAY
Mostly sunny with a slight chance of showers and thunderstorms. Hot with highs in the mid 90s. Chance of rain 20 percent. Heat index values up to 110.
MONDAY NIGHT
Mostly clear. A slight chance of showers and thunderstorms in the evening. Lows in the upper 70s. Chance of rain 20 percent. Heat index values up to 105 early in the evening.
TUESDAY
Sunny, hot with highs in the upper 90s. Heat index values up to 110.

Visible Weather Satellite
EAST SAINT LOUIS, IL 62203
Infrared Weather Satellite
EAST SAINT LOUIS, IL 62203
NEXRAD Weather Radar
EAST SAINT LOUIS, IL 62203

EAST ST. LOUIS, IL 3 hourly weather forecast

weather forecast created  6:00 AM MDT  7/16/2025
Wednesday
16 JUL 2025
EAST SAINT LOUIS, IL 62203 weather forecast Day 1, 12 hours 1 PM 91° 101° Partly Cloudy 8%

0% Thunder
( 33% severe)
WSW   7 58% 74°
High 94° EAST SAINT LOUIS, IL 62203 weather forecast Day 1, 15 hours 4 PM 93° 101° Clear WSW   8 51% 72°
Partly Cloudy



EAST SAINT LOUIS, IL 62203 weather forecast Day 1, 18 hours 7 PM 90° 99° Partly Cloudy 11%
RAIN
<.01 in
0% Thunder
( 34% severe)
SW   7 58% 73°
EAST SAINT LOUIS, IL 62203 weather forecast Day 1, 21 hours 10 PM 82° 88° Partly Cloudy SSW   6 77% 74°
Thursday
17 JUL 2025
EAST SAINT LOUIS, IL 62203 weather forecast Day 2, 0 hours 1 AM 79° 82° Partly Cloudy 15%
RAIN
.25–.5 in
0% Thunder
( 28% severe)
SW   6 82% 73°
Low 75° EAST SAINT LOUIS, IL 62203 weather forecast Day 2, 3 hours 4 AM 77° 78° Partly Cloudy WSW   5 87% 73°
High 90° EAST SAINT LOUIS, IL 62203 weather forecast Day 2, 6 hours 7 AM 78° 80° Partly Cloudy 11%
RAIN
<.01 in
0% Thunder
( 20% severe)
WNW   5 88% 74°

Partly Cloudy

Chance of Rain

EAST SAINT LOUIS, IL 62203 weather forecast Day 2, 9 hours 10 AM 83° 90° Mostly Cloudy N   6 74% 74°
EAST SAINT LOUIS, IL 62203 weather forecast Day 2, 12 hours 1 PM 87° 95° Partly Cloudy 46%
RAIN
***
0% Thunder
( 52% severe)
N   7 65% 74°
EAST SAINT LOUIS, IL 62203 weather forecast Day 2, 15 hours 4 PM 87° 94° Partly Cloudy NNE   7 63% 73°
EAST SAINT LOUIS, IL 62203 weather forecast Day 2, 18 hours 7 PM 83° 88° Mostly Cloudy 29%
RAIN
>2 in
0% Thunder
( 46% severe)
ENE   6 70% 72°
EAST SAINT LOUIS, IL 62203 weather forecast Day 2, 21 hours 10 PM 76° 76° Mostly Cloudy NE   2 87% 72°
Friday
18 JUL 2025
EAST SAINT LOUIS, IL 62203 weather forecast Day 3, 0 hours 1 AM 74° 74° Mostly Cloudy 16%
RAIN
.1–.25 in
0% Thunder
( 25% severe)
NE   2 90% 71°
Low 71° EAST SAINT LOUIS, IL 62203 weather forecast Day 3, 3 hours 4 AM 72° 72° Mostly Cloudy ENE   2 97% 71°
High 88° EAST SAINT LOUIS, IL 62203 weather forecast Day 3, 6 hours 7 AM 73° 73° Mostly Cloudy 27%
RAIN
.1–.25 in
0% Thunder
( 21% severe)
E   3 93% 71°

Mostly Cloudy

Chance of Rain

EAST SAINT LOUIS, IL 62203 weather forecast Day 3, 9 hours 10 AM 78° 80° Mostly Cloudy E   3 82% 72°
EAST SAINT LOUIS, IL 62203 weather forecast Day 3, 15 hours 1 PM 83° 90° Mostly Cloudy 33%
RAIN
***
0% Thunder
( 44% severe)
SE   5 74% 74°
EAST SAINT LOUIS, IL 62203 weather forecast Day 3, 18 hours 4 PM 85° 92° Mostly Cloudy SE   5 67% 73°
EAST SAINT LOUIS, IL 62203 weather forecast Day 3, 21 hours 7 PM 82° 87° Partly Cloudy     SE   3 74% 73°

EAST ST. LOUIS, IL extended weather forecast

Saturday
19 JUL 2025
Sunday
20 JUL 2025
Monday
21 JUL 2025
Tuesday
22 JUL 2025
Wednesday
23 JUL 2025
Low 74° Low 76° Low 74° Low 74° Low 73°
High 96° High 97° High 97° High 97° High 98°
EAST SAINT LOUIS, IL 62203 weather forecast Day 4 EAST SAINT LOUIS, IL 62203 weather forecast Day 5 EAST SAINT LOUIS, IL 62203 weather forecast Day 6 EAST SAINT LOUIS, IL 62203 weather forecast Day 7 <!--SEARCHED_TOWN_NAME--> weather forecast Day 8
Mostly Cloudy
52% Rain
Partly Cloudy
30% Rain
Partly Cloudy
26% Rain
Partly Cloudy
22% Rain
Partly Cloudy
25% Rain
WEATHER SELECT BOX EXAMPLES:
for LOCAL WEATHER:
SNOW DEPTH:
LOCAL WEATHER RADAR:
STATE WEATHER MAP:
East Saint Louis, IL
East Saint Louis, IL snow
East Saint Louis, IL radar
IL map
-or-
-or-
-or-
 
62203
62203 snow
62203 radar
 
-or-
-or-
 
 
IL
IL snow
 
 
Copyright © 2024 WeatherStreet.com
Put our free WeatherStreet weather lookup on your web page.
Terms & Conditions