LEMAY, MO 63125 Weather Forecast & Current Conditions

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63125 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
EAST ST. LOUIS, IL Current Weather
4:53 PM CDT MAY 16, 2026
Clear 75°F
Feels Like:	75°F
Dewpoint:	66°F
Rel. Hum.:	74%
Visibility:	10 miles
Wind:	SSE at 12 mph
Pressure:	29.88 inches
Last 72 hours
Local Area Snow Depth
Illinois Current Weather
Illinois MOS Forecast Weather

Regional Weather Maps

(Automated weather data from NWS/FAA)

63125 WEATHER FORECAST
10-Day model forecast maps 2025 Hurricanes	LEMAY, MO 63125 Weather Forecast	Snowfall Forecast pages Snow Depth pages

TONIGHT
Mostly cloudy. A chance of showers and thunderstorms this evening. Lows in the mid 60s. Southeast winds 5 to 10 mph. Chance of rain 30 percent.

SUNDAY
Sunny. Highs in the upper 80s. South winds 15 to 20 mph with gusts up to 30 mph.

SUNDAY NIGHT
Mostly clear in the evening, then becoming partly cloudy. Lows around 70. South winds 15 to 20 mph with gusts up to 30 mph.

MONDAY
Partly sunny with a slight chance of showers and thunderstorms in the morning, then mostly cloudy with showers likely with a chance of thunderstorms in the afternoon. Highs in the upper 80s. South winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 70 percent.

MONDAY NIGHT
Partly cloudy with a chance of showers with a slight chance of thunderstorms. Lows in the lower 70s. South winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 50 percent.

TUESDAY
Showers likely with a chance of thunderstorms in the morning, then showers with thunderstorms likely in the afternoon. Highs in the upper 80s. Chance of rain 90 percent.

TUESDAY NIGHT
Showers with a chance of thunderstorms in the evening, then a chance of showers with a slight chance of thunderstorms after midnight. Cooler with lows around 60. Chance of rain 90 percent.

WEDNESDAY
Mostly cloudy in the morning, then becoming partly sunny. A slight chance of thunderstorms in the morning. A slight chance of showers. Much cooler with highs in the lower 70s. Chance of rain 20 percent.

WEDNESDAY NIGHT
Mostly cloudy with a 20 percent chance of showers. Lows in the lower 50s.

THURSDAY
Partly sunny. Highs in the lower 70s.

THURSDAY NIGHT THROUGH FRIDAY NIGHT
Mostly cloudy with a 20 percent chance of showers. Lows in the mid 50s. Highs in the mid 70s.

SATURDAY
Mostly sunny with a slight chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 20 percent.

63125 WEATHER SATELLITE LOOPS

Visible Weather Satellite
LEMAY, MO 63125

Infrared Weather Satellite
LEMAY, MO 63125

63125 WEATHER RADAR LOOP

NEXRAD Weather Radar
LEMAY, MO 63125

MOS COMPUTER WEATHER FORECAST

EAST ST. LOUIS, IL 3 hourly weather forecast

weather forecast created 6:00 AM MDT 5/16/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Saturday
16 MAY 2026

1 PM

80°

82°

Mostly Cloudy

28%
RAIN
.1–.25 in

0% Thunder
( 42% severe)

SSW 10

60%

65°

High 85°

4 PM

84°

86°

Mostly Cloudy

SSW 9

53%

65°

Mostly Cloudy

Chance of Rain

7 PM

82°

84°

Mostly Cloudy

6%

0% Thunder
( 14% severe)

S 9

55%

64°

10 PM

74°

74°

Partly Cloudy

SSE 8

69%

63°

Sunday
17 MAY 2026

1 AM

72°

72°

Mostly Cloudy

3%

0% Thunder
( 7% severe)

SSE 8

71%

62°

Low 64°

4 AM

69°

69°

Mostly Cloudy

SSE 8

78%

62°

High 91°

7 AM

69°

69°

Partly Cloudy

1%

0% Thunder
( 4% severe)

S 10

76%

61°

Clear

10 AM

80°

81°

Clear

S 14

56%

63°

1 PM

87°

88°

Clear

1%

0% Thunder
( 12% severe)

S 16

45%

63°

4 PM

90°

90°

Clear

S 17

38%

61°

7 PM

88°

88°

Clear

0%

0% Thunder
( 11% severe)

S 15

39%

60°

10 PM

79°

80°

Clear

S 14

50%

59°

Monday
18 MAY 2026

1 AM

76°

78°

Partly Cloudy

4%

0% Thunder
( 14% severe)

S 13

58%

60°

Low 69°

4 AM

74°

74°

Mostly Cloudy

S 13

69%

63°

High 90°

7 AM

73°

73°

Mostly Cloudy

18%
RAIN
<.01 in

0% Thunder
( 21% severe)

S 15

76%

65°

Mostly Cloudy

Chance of Rain

Breezy

10 AM

82°

85°

Mostly Cloudy

S 16

61%

67°

1 PM

86°

89°

Mostly Cloudy

45%
RAIN
.25–.5 in

0% Thunder
( 54% severe)

S 17

53%

67°

4 PM

88°

91°

Mostly Cloudy

S 17

50%

67°

7 PM

86°

88°

Mostly Cloudy

S 16

50%

65°


EAST ST. LOUIS, IL extended weather forecast
Tuesday 19 MAY 2026	Wednesday 20 MAY 2026	Thursday 21 MAY 2026	Friday 22 MAY 2026	Saturday 23 MAY 2026
Low 69°	Low 62°	Low 53°	Low 50°	Low 54°
High 81°	High 67°	High 71°	High 74°	High 78°

Overcast 80% Rain	Overcast 78% Rain	Overcast 44% Rain	Partly Cloudy 25% Rain	Partly Cloudy 16% Rain

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