SAINT LOUIS, MO 63150 Weather Forecast & Current Conditions
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  63150 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)
 CURRENT WEATHER

EAST ST. LOUIS, IL
Current Weather
4:53 AM CDT JUN 9, 2026
Overcast
79°F
Feels Like: 82°F
Dewpoint: 72°F
Rel. Hum.: 79%
Visibility: 10 miles
Wind: SSW at 6 mph
Pressure: 29.98 inches
Last 72 hours

Local Area Snow Depth

Illinois Current Weather

Illinois MOS Forecast Weather


Weather Map

(Automated weather data from NWS/FAA)
  63150 WEATHER FORECAST
10-Day model forecast maps
2025 Hurricanes

SAINT LOUIS, MO 63150
Weather Forecast

 Snowfall Forecast pages
Snow Depth pages
TODAY
Partly sunny. Showers likely with a slight chance of thunderstorms this morning, then a slight chance of showers and thunderstorms this afternoon. Some thunderstorms may produce heavy rainfall this morning. Highs in the lower 90s. Southwest winds 5 to 10 mph. Chance of rain 70 percent. Heat index values up to 108 this afternoon.
TONIGHT
Partly cloudy in the evening, then becoming mostly clear. Humid with lows in the mid 70s. South winds 5 to 10 mph. Heat index values up to 109 early in the evening.
WEDNESDAY
Sunny with highs in the mid 90s. Southwest winds 10 to 15 mph with gusts up to 25 mph. Heat index values up to 105.
WEDNESDAY NIGHT
Mostly clear. A slight chance of showers and thunderstorms in the evening. Lows in the mid 70s. South winds 10 to 15 mph. Chance of rain 20 percent. Heat index values up to 105 early in the evening.
THURSDAY
Sunny. A chance of showers and thunderstorms in the afternoon. Humid with highs in the mid 90s. South winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 40 percent. Heat index values up to 106.
THURSDAY NIGHT
Showers with a chance of thunderstorms in the evening, then mostly cloudy with a chance of showers with a slight chance of thunderstorms after midnight. Lows in the upper 60s. Chance of rain 80 percent. Heat index values up to 105 early in the evening.
FRIDAY
Mostly sunny. Highs in the mid 80s.
FRIDAY NIGHT
Mostly clear. Lows in the mid 60s.
SATURDAY
Mostly sunny with a slight chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 20 percent.
SATURDAY NIGHT
Partly cloudy in the evening, then becoming mostly cloudy. A chance of thunderstorms in the evening. A chance of showers. Lows in the upper 60s. Chance of rain 50 percent.
SUNDAY AND SUNDAY NIGHT
Mostly cloudy. A chance of showers and thunderstorms. Highs in the lower 80s. Lows in the lower 60s. Chance of rain 50 percent.
MONDAY
Mostly sunny with a slight chance of showers. A slight chance of thunderstorms in the afternoon. Highs around 80. Chance of rain 20 percent.

  63150 WEATHER SATELLITE LOOPS
Visible Weather Satellite
SAINT LOUIS, MO 63150
Infrared Weather Satellite
SAINT LOUIS, MO 63150
  63150 WEATHER RADAR LOOP
NEXRAD Weather Radar
SAINT LOUIS, MO 63150
 MOS COMPUTER WEATHER FORECAST

EAST ST. LOUIS, IL 3 hourly weather forecast
weather forecast created  6:00 PM MDT  6/ 8/2026
Tuesday
9 JUN 2026		 SAINT LOUIS, MO 63150 weather forecast Day 1, 0 hours 1 AM 75° 75° Mostly Cloudy 65%
RAIN
***		 0% Thunder
( 26% severe)		 SSW   3 90% 72°
Low 73° SAINT LOUIS, MO 63150 weather forecast Day 1, 3 hours 4 AM 74° 74° Mostly Cloudy SSW   5 90% 71°
High 93° SAINT LOUIS, MO 63150 weather forecast Day 1, 6 hours 7 AM 75° 75° Mostly Cloudy 37%
RAIN
1–2 in		 0% Thunder
( 33% severe)		 SSW   5 90% 72°

Mostly Cloudy

Chance of Rain

 SAINT LOUIS, MO 63150 weather forecast Day 1, 9 hours 10 AM 83° 90° Partly Cloudy WSW   8 74% 74°
SAINT LOUIS, MO 63150 weather forecast Day 1, 12 hours 1 PM 88° 99° Mostly Cloudy 19%
RAIN
<.01 in		 0% Thunder
( 39% severe)		 SW   9 68% 76°
SAINT LOUIS, MO 63150 weather forecast Day 1, 15 hours 4 PM 92° 106° Mostly Cloudy SW   9 62% 77°
SAINT LOUIS, MO 63150 weather forecast Day 1, 18 hours 7 PM 91° 106° Partly Cloudy 3%

 0% Thunder
( 15% severe)		 SSW   7 66% 78°
SAINT LOUIS, MO 63150 weather forecast Day 1, 21 hours 10 PM 83° 91° Partly Cloudy S   6 80% 76°
Wednesday
10 JUN 2026		 SAINT LOUIS, MO 63150 weather forecast Day 2, 0 hours 1 AM 80° 84° Clear 2%

 0% Thunder
( 8% severe)		 SSW   6 79% 73°
Low 74° SAINT LOUIS, MO 63150 weather forecast Day 2, 3 hours 4 AM 78° 80° Clear SSW   7 76% 70°
High 94° SAINT LOUIS, MO 63150 weather forecast Day 2, 6 hours 7 AM 78° 80° Partly Cloudy 0%

 0% Thunder
( 11% severe)		 SSW   7 76% 70°

Partly Cloudy



 SAINT LOUIS, MO 63150 weather forecast Day 2, 9 hours 10 AM 86° 92° Clear SSW   10 63% 72°
SAINT LOUIS, MO 63150 weather forecast Day 2, 12 hours 1 PM 92° 100° Clear 2%

 0% Thunder
( 32% severe)		 SSW   12 52% 72°
SAINT LOUIS, MO 63150 weather forecast Day 2, 15 hours 4 PM 94° 102° Partly Cloudy SSW   13 49% 72°
SAINT LOUIS, MO 63150 weather forecast Day 2, 18 hours 7 PM 91° 100° Clear 11%
RAIN
<.01 in		 0% Thunder
( 22% severe)		 S   12 56% 73°
SAINT LOUIS, MO 63150 weather forecast Day 2, 21 hours 10 PM 83° 88° Partly Cloudy SSW   10 70% 72°

EAST ST. LOUIS, IL extended weather forecast
Thursday
11 JUN 2026		 Friday
12 JUN 2026		 Saturday
13 JUN 2026		 Sunday
14 JUN 2026		 Monday
15 JUN 2026
Low 73° Low 69° Low 60° Low 65° Low 64°
High 96° High 84° High 86° High 79° High 80°
SAINT LOUIS, MO 63150 weather forecast Day 3 SAINT LOUIS, MO 63150 weather forecast Day 4 SAINT LOUIS, MO 63150 weather forecast Day 5 SAINT LOUIS, MO 63150 weather forecast Day 6 SAINT LOUIS, MO 63150 weather forecast Day 7
Partly Cloudy
29% Rain		 Partly Cloudy
58% Rain		 Partly Cloudy
16% Rain		 Overcast
60% Rain		 Overcast
45% Rain
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