SAINT LOUIS, MO 63112 Weather Forecast & Current Conditions

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ST. LOUIS, MO
Current Weather

5:51 AM CDT MAY 19, 2026
Overcast
Thunder Rain
Mist
NA
Feels Like: NA
Dewpoint: NA
Rel. Hum.: NA%
Visibility: 6 miles
Wind: SW at 6 mph
Pressure:
Last 72 hours

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SAINT LOUIS, MO 63112
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
TODAY
Mostly cloudy with a chance of thunderstorms. Showers, mainly this morning. Some thunderstorms may produce heavy rainfall. Highs in the upper 70s. South winds 5 to 10 mph, becoming southwest 10 to 15 mph this afternoon. Chance of rain 90 percent.
TONIGHT
Cloudy with a chance of showers. A chance of thunderstorms, mainly in the evening. Lows in the mid 50s. North winds 5 to 10 mph. Chance of rain 50 percent.
WEDNESDAY
Partly sunny. A slight chance of showers and thunderstorms in the morning. Highs in the upper 60s. North winds 5 to 10 mph. Chance of rain 20 percent.
WEDNESDAY NIGHT
Mostly cloudy. Lows in the lower 50s. Northeast winds 5 to 10 mph.
THURSDAY
Mostly cloudy. Highs in the lower 70s. Northeast winds 5 to 10 mph.
THURSDAY NIGHT
Mostly cloudy. A slight chance of showers in the evening, then showers likely with a slight chance of thunderstorms after midnight. Lows in the upper 50s. Chance of rain 60 percent.
FRIDAY
A chance of thunderstorms. Showers. Highs in the lower 70s. Chance of rain 80 percent.
FRIDAY NIGHT THROUGH SATURDAY NIGHT
Mostly cloudy with a slight chance of showers and thunderstorms. Lows in the upper 50s. Highs in the upper 70s. Chance of rain 20 percent.
SUNDAY
Mostly cloudy in the morning, then becoming partly sunny. A slight chance of thunderstorms. A chance of showers, mainly in the morning. Highs in the lower 80s. Chance of rain 30 percent.
SUNDAY NIGHT
Mostly cloudy with a slight chance of thunderstorms. A slight chance of showers in the evening, then a chance of showers after midnight. Lows in the lower 60s. Chance of rain 40 percent.
MEMORIAL DAY
Mostly cloudy in the morning, then becoming partly sunny. A chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 40 percent.

Visible Weather Satellite
SAINT LOUIS, MO 63112
Infrared Weather Satellite
SAINT LOUIS, MO 63112
NEXRAD Weather Radar
SAINT LOUIS, MO 63112

ST. LOUIS, MO 3 hourly weather forecast

weather forecast created  7:00 PM CDT  5/18/2026
Tuesday
19 MAY 2026
SAINT LOUIS, MO 63112 weather forecast Day 1, 0 hours 1 AM 75° 75° Partly Cloudy 45%
RAIN
.01–.1 in
0% Thunder
( 22% severe)
S   14 74% 66°
Low 72° SAINT LOUIS, MO 63112 weather forecast Day 1, 3 hours 4 AM 74° 74° Mostly Cloudy SSW   13 74% 65°
High 83° SAINT LOUIS, MO 63112 weather forecast Day 1, 6 hours 7 AM 73° 73° Mostly Cloudy 51%
RAIN
.25–.5 in
0% Thunder
( 32% severe)
SSW   12 76% 65°

Mostly Cloudy

Rain Likely

SAINT LOUIS, MO 63112 weather forecast Day 1, 9 hours 10 AM 79° 81° Mostly Cloudy SSW   15 67% 67°
SAINT LOUIS, MO 63112 weather forecast Day 1, 12 hours 1 PM 80° 83° Mostly Cloudy 61%
RAIN
***
0% Thunder
( 50% severe)
SW   14 67% 68°
SAINT LOUIS, MO 63112 weather forecast Day 1, 15 hours 4 PM 78° 80° Mostly Cloudy W   12 74% 69°
SAINT LOUIS, MO 63112 weather forecast Day 1, 18 hours 7 PM 74° 74° Mostly Cloudy 62%
RAIN
***
0% Thunder
( 45% severe)
NNW   12 74% 65°
SAINT LOUIS, MO 63112 weather forecast Day 1, 21 hours 10 PM 68° 68° Mostly Cloudy NNW   10 81% 62°
Wednesday
20 MAY 2026
SAINT LOUIS, MO 63112 weather forecast Day 2, 0 hours 1 AM 64° 63° Mostly Cloudy 42%
RAIN
.5–1 in
0% Thunder
( 16% severe)
N   10 84% 59°
Low 57° SAINT LOUIS, MO 63112 weather forecast Day 2, 3 hours 4 AM 61° 59° Mostly Cloudy N   12 81% 55°
High 69° SAINT LOUIS, MO 63112 weather forecast Day 2, 6 hours 7 AM 58° 56° Mostly Cloudy 8%

0% Thunder
( 6% severe)
N   12 77% 51°

Mostly Cloudy



SAINT LOUIS, MO 63112 weather forecast Day 2, 9 hours 10 AM 61° 59° Mostly Cloudy NNE   12 67% 50°
SAINT LOUIS, MO 63112 weather forecast Day 2, 12 hours 1 PM 65° 65° Mostly Cloudy 6%

0% Thunder
( 4% severe)
NNE   10 60% 51°
SAINT LOUIS, MO 63112 weather forecast Day 2, 15 hours 4 PM 68° 68° Mostly Cloudy NNE   10 59% 53°
SAINT LOUIS, MO 63112 weather forecast Day 2, 18 hours 7 PM 68° 68° Mostly Cloudy 4%

0% Thunder
( 3% severe)
NE   10 54% 51°
SAINT LOUIS, MO 63112 weather forecast Day 2, 21 hours 10 PM 64° 64° Mostly Cloudy ENE   9 65% 52°

ST. LOUIS, MO extended weather forecast

Thursday
21 MAY 2026
Friday
22 MAY 2026
Saturday
23 MAY 2026
Sunday
24 MAY 2026
Monday
25 MAY 2026
Low 56° Low 58° Low 63° Low 64° Low 66°
High 73° High 69° High 79° High 81° High 80°
SAINT LOUIS, MO 63112 weather forecast Day 3 SAINT LOUIS, MO 63112 weather forecast Day 4 SAINT LOUIS, MO 63112 weather forecast Day 5 SAINT LOUIS, MO 63112 weather forecast Day 6 SAINT LOUIS, MO 63112 weather forecast Day 7
Overcast
33% Rain
Overcast
68% Rain
Overcast
58% Rain
Overcast
61% Rain
Overcast
49% Rain
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