SAINT LOUIS, MO 63139 Weather Forecast & Current Conditions

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63139 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
EAST ST. LOUIS, IL Current Weather
9:53 AM CDT APR 4, 2026
Overcast 55°F
Feels Like:	53°F
Dewpoint:	50°F
Rel. Hum.:	83%
Visibility:	10 miles
Wind:	WNW at 8 mph, gusts to 26
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)

63139 WEATHER FORECAST
10-Day model forecast maps 2025 Hurricanes	SAINT LOUIS, MO 63139 Weather Forecast	Snowfall Forecast pages Snow Depth pages

REST OF TODAY
Mostly cloudy. A chance of showers late this morning. Much cooler with highs in the lower 60s. West winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 50 percent.

TONIGHT
Partly cloudy in the evening, then clearing. Much cooler with lows in the upper 30s. Northwest winds 10 to 15 mph with gusts up to 25 mph.

SUNDAY
Sunny. Highs in the upper 50s. Northwest winds 10 to 15 mph.

SUNDAY NIGHT
Clear. Lows around 40. West winds 5 to 10 mph.

MONDAY
Sunny. Highs in the lower 60s. Northwest winds 5 to 10 mph.

MONDAY NIGHT
Mostly cloudy. A slight chance of rain showers after midnight. Lows in the mid 30s. Chance of rain 20 percent.

TUESDAY AND TUESDAY NIGHT
Mostly cloudy. Highs in the lower 50s. Lows around 40.

WEDNESDAY AND WEDNESDAY NIGHT
Partly cloudy. Highs in the lower 70s. Lows in the lower 50s.

THURSDAY AND THURSDAY NIGHT
Partly cloudy. A 20 percent chance of showers. Highs in the mid 70s. Lows in the mid 50s.

FRIDAY
Partly sunny with a slight chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 20 percent.

63139 WEATHER SATELLITE LOOPS

Visible Weather Satellite
SAINT LOUIS, MO 63139

Infrared Weather Satellite
SAINT LOUIS, MO 63139

63139 WEATHER RADAR LOOP

NEXRAD Weather Radar
SAINT LOUIS, MO 63139

MOS COMPUTER WEATHER FORECAST

EAST ST. LOUIS, IL 3 hourly weather forecast

weather forecast created 5:00 PM MST 4/ 3/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Saturday
4 APR 2026

12 AM

72°

72°

Mostly Cloudy

97%
RAIN
***

0% Thunder
( 43% severe)

S 13

71%

62°

Low 57°

3 AM

67°

67°

Mostly Cloudy

SSW 13

84%

62°

High 64°

6 AM

63°

62°

Mostly Cloudy

87%
RAIN
***

0% Thunder
( 11% severe)

WSW 9

87%

59°

Mostly Cloudy

Rain Likely

9 AM

58°

56°

Mostly Cloudy

WNW 12

80%

52°

12 PM

55°

52°

Mostly Cloudy

16%
RAIN
.01–.1 in

0% Thunder
( 1% severe)

WNW 13

72%

46°

3 PM

57°

54°

Mostly Cloudy

WNW 14

57%

42°

6 PM

54°

50°

Mostly Cloudy

1%

0% Thunder
( 1% severe)

WNW 13

52%

37°

9 PM

49°

45°

Partly Cloudy

WNW 10

58%

35°

Sunday
5 APR 2026

12 AM

45°

41°

Partly Cloudy

0%

0% Thunder
( 1% severe)

WNW 8

65%

34°

Low 39°

3 AM

42°

37°

Clear

WNW 8

70%

33°

High 59°

6 AM

40°

35°

Partly Cloudy

0%

0% Thunder
( 0% severe)

WNW 7

73%

32°

Partly Cloudy

9 AM

46°

41°

Partly Cloudy

NW 10

60%

33°

12 PM

53°

49°

Clear

0%

0% Thunder
( 0% severe)

NW 12

48%

34°

3 PM

58°

56°

Clear

NW 10

40%

34°

6 PM

55°

54°

Clear

0%

0% Thunder
( 1% severe)

NW 6

47%

35°

9 PM

49°

48°

Clear

WNW 3

58%

35°


EAST ST. LOUIS, IL extended weather forecast
Monday 6 APR 2026	Tuesday 7 APR 2026	Wednesday 8 APR 2026	Thursday 9 APR 2026	Friday 10 APR 2026
Low 38°	Low 36°	Low 37°	Low 49°	Low 53°
High 63°	High 54°	High 68°	High 66°	High 72°

Mostly Cloudy 18% Rain	Overcast 32% Rain/Snow	Mostly Cloudy 25% Rain	Overcast 48% Rain	Overcast 34% Rain

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