EAST SAINT LOUIS, IL 62206 Weather Forecast & Current Conditions

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EAST ST. LOUIS, IL
Current Weather

9:53 AM CDT SEP 18, 2026
Clear
84°F
Feels Like: 90°F
Dewpoint: 72°F
Rel. Hum.: 67%
Visibility: 10 miles
Wind: Calm
Pressure: 30.15 inches
Last 72 hours

Local Area Snow Depth

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EAST SAINT LOUIS, IL 62206
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
TODAY
Sunny. A slight chance of showers and thunderstorms this afternoon. Hot with highs in the mid 90s. Northeast winds around 5 mph. Chance of rain 20 percent. Heat index values up to 108.
TONIGHT
Partly cloudy. A slight chance of showers and thunderstorms in the evening. Humid with lows in the lower 70s. Southeast winds around 5 mph. Gusts up to 20 mph in the evening. Chance of rain 20 percent. Heat index values up to 103 early in the evening.
SATURDAY
Mostly sunny. Hot with highs in the mid 90s. Southwest winds 5 to 10 mph.
SATURDAY NIGHT
Partly cloudy. Lows in the lower 70s. South winds around 5 mph.
SUNDAY
Partly sunny with a slight chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the lower 90s. West winds around 5 mph. Chance of rain 20 percent.
SUNDAY NIGHT AND MONDAY
Showers likely with a chance of thunderstorms. Lows in the upper 60s. Highs in the lower 80s. Chance of rain 70 percent.
MONDAY NIGHT
Mostly cloudy with a chance of showers with a slight chance of thunderstorms. Lows around 60. Chance of rain 40 percent.
TUESDAY AND TUESDAY NIGHT
Mostly cloudy. Highs in the lower 70s. Lows in the mid 50s.
WEDNESDAY THROUGH THURSDAY
Partly cloudy. Highs in the mid 70s. Lows in the mid 50s.

Visible Weather Satellite
EAST SAINT LOUIS, IL 62206
Infrared Weather Satellite
EAST SAINT LOUIS, IL 62206
NEXRAD Weather Radar
EAST SAINT LOUIS, IL 62206

EAST ST. LOUIS, IL 3 hourly weather forecast

weather forecast created  6:00 PM MDT  9/17/2026
Friday
18 SEP 2026
EAST SAINT LOUIS, IL 62206 weather forecast Day 1, 0 hours 1 AM 78° 80° Partly Cloudy 2%

0% Thunder
( 14% severe)
  CALM 82% 72°
Low 73° EAST SAINT LOUIS, IL 62206 weather forecast Day 1, 3 hours 4 AM 75° 75° Clear   CALM 90% 72°
High 96° EAST SAINT LOUIS, IL 62206 weather forecast Day 1, 6 hours 7 AM 74° 74° Clear 6%

0% Thunder
( 7% severe)
  CALM 90% 71°

Partly Cloudy



EAST SAINT LOUIS, IL 62206 weather forecast Day 1, 9 hours 10 AM 85° 92° Partly Cloudy   CALM 67% 73°
EAST SAINT LOUIS, IL 62206 weather forecast Day 1, 12 hours 1 PM 94° 102° Partly Cloudy 15%
RAIN
<.01 in
0% Thunder
( 27% severe)
  CALM 49% 72°
EAST SAINT LOUIS, IL 62206 weather forecast Day 1, 15 hours 4 PM 96° 103° Partly Cloudy   CALM 43% 70°
EAST SAINT LOUIS, IL 62206 weather forecast Day 1, 18 hours 7 PM 88° 95° Partly Cloudy 10%
RAIN
.1–.25 in
0% Thunder
( 27% severe)
NE   5 59% 72°
EAST SAINT LOUIS, IL 62206 weather forecast Day 1, 21 hours 10 PM 81° 85° Partly Cloudy ESE   5 74% 72°
Saturday
19 SEP 2026
EAST SAINT LOUIS, IL 62206 weather forecast Day 2, 0 hours 1 AM 77° 78° Clear 6%

0% Thunder
( 20% severe)
SE   5 85% 72°
Low 71° EAST SAINT LOUIS, IL 62206 weather forecast Day 2, 3 hours 4 AM 75° 75° Partly Cloudy SSE   5 87% 71°
High 97° EAST SAINT LOUIS, IL 62206 weather forecast Day 2, 6 hours 7 AM 74° 74° Partly Cloudy 0%

0% Thunder
( 9% severe)
SSE   5 84% 69°

Mostly Cloudy



EAST SAINT LOUIS, IL 62206 weather forecast Day 2, 9 hours 10 AM 86° 90° Partly Cloudy SSW   6 57% 69°
EAST SAINT LOUIS, IL 62206 weather forecast Day 2, 12 hours 1 PM 95° 99° Mostly Cloudy 1%

0% Thunder
( 12% severe)
WSW   7 40% 67°
EAST SAINT LOUIS, IL 62206 weather forecast Day 2, 15 hours 4 PM 97° 99° Mostly Cloudy SW   7 34% 64°
EAST SAINT LOUIS, IL 62206 weather forecast Day 2, 18 hours 7 PM 90° 92° Partly Cloudy 0%

0% Thunder
( 13% severe)
SSE   3 44% 65°
EAST SAINT LOUIS, IL 62206 weather forecast Day 2, 21 hours 10 PM 82° 84° Partly Cloudy SSE   3 56% 65°

EAST ST. LOUIS, IL extended weather forecast

Sunday
20 SEP 2026
Monday
21 SEP 2026
Tuesday
22 SEP 2026
Wednesday
23 SEP 2026
Thursday
24 SEP 2026
Low 63° Low 68° Low 62° Low 55° Low 56°
High 93° High 83° High 72° High 78° High 79°
EAST SAINT LOUIS, IL 62206 weather forecast Day 3 EAST SAINT LOUIS, IL 62206 weather forecast Day 4 EAST SAINT LOUIS, IL 62206 weather forecast Day 5 EAST SAINT LOUIS, IL 62206 weather forecast Day 6 EAST SAINT LOUIS, IL 62206 weather forecast Day 7
Partly Cloudy
19% Rain
Overcast
58% Rain
Overcast
35% Rain
Partly Cloudy
22% Rain
Partly Cloudy
15% Rain
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