EAST ST LOUIS, IL 62201 Weather Forecast & Current Conditions

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EAST ST. LOUIS, IL
Current Weather

7:53 PM CDT JUN 9, 2026
Clear
90°F
Feels Like: 101°F
Dewpoint: 75°F
Rel. Hum.: 62%
Visibility: 10 miles
Wind: SSW at 5 mph
Pressure: 29.88 inches
Last 72 hours

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EAST ST LOUIS, IL 62201
Weather Forecast

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Snow Depth pages
TONIGHT
Partly cloudy this evening, then becoming clear. Lows in the mid 70s. Southwest winds 5 to 10 mph. Heat index values up to 102 early this evening.
WEDNESDAY
Sunny. Highs in the mid 90s. Southwest winds 10 to 15 mph with gusts up to 25 mph. Heat index values up to 103.
WEDNESDAY NIGHT
Mostly clear. Lows in the mid 70s. South winds 10 to 15 mph. Heat index values up to 103 early in the evening.
THURSDAY
Sunny. A slight chance of showers and thunderstorms in the afternoon. Humid with highs in the lower 90s. South winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 20 percent. Heat index values up to 105.
THURSDAY NIGHT
Showers with a chance of thunderstorms in the evening, then mostly cloudy with a slight chance of showers and thunderstorms after midnight. Lows in the upper 60s. Southwest winds 15 to 20 mph, becoming northwest 5 to 10 mph after midnight. Chance of rain 80 percent. Heat index values up to 102 early in the evening.
FRIDAY AND FRIDAY NIGHT
Mostly clear. Highs in the mid 80s. Lows in the mid 60s.
SATURDAY
Mostly sunny. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 40 percent.
SATURDAY NIGHT
Partly cloudy with a chance of showers and thunderstorms in the evening, then mostly cloudy with showers likely with a slight chance of thunderstorms after midnight. Lows in the upper 60s. Chance of rain 70 percent.
SUNDAY
Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 50 percent.
SUNDAY NIGHT
Mostly cloudy. A chance of showers, mainly in the evening. Lows in the lower 60s. Chance of rain 50 percent.
MONDAY
Partly sunny with a slight chance of showers and thunderstorms. Highs around 80. Chance of rain 20 percent.
MONDAY NIGHT
Partly cloudy in the evening, then clearing. A slight chance of thunderstorms in the evening. A slight chance of showers. Lows around 60. Chance of rain 20 percent.
TUESDAY
Mostly sunny. A slight chance of showers in the morning. Highs around 80. Chance of rain 20 percent.

Visible Weather Satellite
EAST ST LOUIS, IL 62201
Infrared Weather Satellite
EAST ST LOUIS, IL 62201
NEXRAD Weather Radar
EAST ST LOUIS, IL 62201

EAST ST. LOUIS, IL 3 hourly weather forecast

weather forecast created  6:00 AM MDT  6/ 9/2026
Tuesday
9 JUN 2026
EAST ST LOUIS, IL 62201 weather forecast Day 1, 12 hours 1 PM 87° 97° Mostly Cloudy 23%
RAIN
.5–1 in
0% Thunder
( 47% severe)
SW   8 68% 75°
High 91° EAST ST LOUIS, IL 62201 weather forecast Day 1, 15 hours 4 PM 90° 102° Partly Cloudy SW   7 64% 76°
Decreasing Clouds

Chance of Rain

EAST ST LOUIS, IL 62201 weather forecast Day 1, 18 hours 7 PM 90° 105° Partly Cloudy 7%

0% Thunder
( 19% severe)
SW   6 68% 78°
EAST ST LOUIS, IL 62201 weather forecast Day 1, 21 hours 10 PM 82° 89° Clear S   6 82% 76°
Wednesday
10 JUN 2026
EAST ST LOUIS, IL 62201 weather forecast Day 2, 0 hours 1 AM 79° 82° Clear 1%

0% Thunder
( 8% severe)
SSW   6 82% 73°
Low 74° EAST ST LOUIS, IL 62201 weather forecast Day 2, 3 hours 4 AM 77° 79° Clear SSW   6 82% 71°
High 94° EAST ST LOUIS, IL 62201 weather forecast Day 2, 6 hours 7 AM 77° 79° Clear 2%

0% Thunder
( 10% severe)
SSW   7 82% 71°

Clear



EAST ST LOUIS, IL 62201 weather forecast Day 2, 9 hours 10 AM 86° 92° Clear SSW   10 63% 72°
EAST ST LOUIS, IL 62201 weather forecast Day 2, 12 hours 1 PM 92° 100° Clear 8%

0% Thunder
( 29% severe)
SSW   12 52% 72°
EAST ST LOUIS, IL 62201 weather forecast Day 2, 15 hours 4 PM 93° 102° Partly Cloudy SSW   13 52% 73°
EAST ST LOUIS, IL 62201 weather forecast Day 2, 18 hours 7 PM 91° 100° Clear 5%

0% Thunder
( 24% severe)
SSW   12 56% 73°
EAST ST LOUIS, IL 62201 weather forecast Day 2, 21 hours 10 PM 83° 88° Partly Cloudy SSW   9 70% 72°
Thursday
11 JUN 2026
EAST ST LOUIS, IL 62201 weather forecast Day 3, 0 hours 1 AM 81° 85° Partly Cloudy 2%

0% Thunder
( 9% severe)
SSW   9 72% 71°
Low 76° EAST ST LOUIS, IL 62201 weather forecast Day 3, 3 hours 4 AM 79° 82° Clear SSW   8 74% 70°
High 95° EAST ST LOUIS, IL 62201 weather forecast Day 3, 6 hours 7 AM 79° 82° Partly Cloudy 3%

0% Thunder
( 12% severe)
S   8 74% 70°

Partly Cloudy



EAST ST LOUIS, IL 62201 weather forecast Day 3, 9 hours 10 AM 87° 93° Partly Cloudy SSW   12 61% 72°
EAST ST LOUIS, IL 62201 weather forecast Day 3, 15 hours 1 PM 92° 101° Partly Cloudy 15%
RAIN
.1–.25 in
0% Thunder
( 26% severe)
SSW   14 54% 73°
EAST ST LOUIS, IL 62201 weather forecast Day 3, 18 hours 4 PM 94° 104° Partly Cloudy SSW   15 51% 73°
EAST ST LOUIS, IL 62201 weather forecast Day 3, 21 hours 7 PM 89° 97° Partly Cloudy     SSW   13 59% 73°

EAST ST. LOUIS, IL extended weather forecast

Friday
12 JUN 2026
Saturday
13 JUN 2026
Sunday
14 JUN 2026
Monday
15 JUN 2026
Tuesday
16 JUN 2026
Low 69° Low 60° Low 65° Low 64° Low 58°
High 84° High 86° High 79° High 80° High 77°
EAST ST LOUIS, IL 62201 weather forecast Day 4 EAST ST LOUIS, IL 62201 weather forecast Day 5 EAST ST LOUIS, IL 62201 weather forecast Day 6 EAST ST LOUIS, IL 62201 weather forecast Day 7 <!--SEARCHED_TOWN_NAME--> weather forecast Day 8
Partly Cloudy
58% Rain
Partly Cloudy
16% Rain
Overcast
60% Rain
Overcast
45% Rain
Overcast
51% Rain
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