SAINT LOUIS, MO 63145 Weather Forecast & Current Conditions

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ST. LOUIS, MO
Current Weather

12:51 PM CDT JUL 8, 2026
Broken Clouds
Light Rain
81°F
Feels Like: 85°F
Dewpoint: 72°F
Rel. Hum.: 74%
Visibility: 10 miles
Wind: E at 8 mph
Pressure: 30.04 inches
Last 72 hours

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SAINT LOUIS, MO 63145
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
THIS AFTERNOON
Mostly sunny. A slight chance of showers and thunderstorms. Near steady temperature in the upper 80s. Southwest winds around 5 mph. Chance of rain 20 percent.
TONIGHT
Mostly clear. Isolated showers and thunderstorms in the evening. Lows in the lower 70s. South winds around 5 mph. Chance of rain 20 percent.
THURSDAY
Mostly sunny. Scattered showers and thunderstorms in the afternoon. Highs in the lower 90s. Southwest winds around 5 mph. Chance of rain 50 percent. Heat index values up to 103.
THURSDAY NIGHT
Mostly cloudy with scattered thunderstorms. Scattered showers. Humid with lows in the mid 70s. Southwest winds around 5 mph. Chance of rain 50 percent. Heat index values up to 101 early in the evening.
FRIDAY
Partly sunny. A chance of showers and thunderstorms in the morning, then showers and thunderstorms likely in the afternoon. Humid with highs around 90. West winds around 5 mph. Chance of rain 70 percent. Heat index values up to 101.
FRIDAY NIGHT
Showers and thunderstorms likely. Lows in the lower 70s. Chance of rain 70 percent.
SATURDAY
Mostly cloudy in the morning, then becoming partly sunny. A chance of showers and thunderstorms. Highs in the upper 80s. Chance of rain 50 percent.
SATURDAY NIGHT
Partly cloudy with a chance of showers and thunderstorms. Lows in the lower 70s. Chance of rain 50 percent.
SUNDAY
Mostly sunny. A chance of showers and thunderstorms, mainly in the morning. Highs in the upper 80s. Chance of rain 30 percent.
SUNDAY NIGHT AND MONDAY
Mostly clear. Lows around 70. Highs around 90.
MONDAY NIGHT
Clear. Lows in the lower 70s.
TUESDAY
Sunny. Highs in the lower 90s. Heat index values up to 100.

Visible Weather Satellite
SAINT LOUIS, MO 63145
Infrared Weather Satellite
SAINT LOUIS, MO 63145
NEXRAD Weather Radar
SAINT LOUIS, MO 63145

ST. LOUIS, MO 3 hourly weather forecast

weather forecast created  7:00 AM CDT  7/ 8/2026
Wednesday
8 JUL 2026
SAINT LOUIS, MO 63145 weather forecast Day 1, 12 hours 1 PM 87° 91° Partly Cloudy 17%
RAIN
.01–.1 in
0% Thunder
( 30% severe)
  CALM 55% 69°
High 89° SAINT LOUIS, MO 63145 weather forecast Day 1, 15 hours 4 PM 88° 92° Partly Cloudy   CALM 52% 68°
Partly Cloudy



SAINT LOUIS, MO 63145 weather forecast Day 1, 18 hours 7 PM 87° 90° Partly Cloudy 2%

0% Thunder
( 12% severe)
ESE   5 52% 67°
SAINT LOUIS, MO 63145 weather forecast Day 1, 21 hours 10 PM 81° 84° Clear SSE   6 67% 69°
Thursday
9 JUL 2026
SAINT LOUIS, MO 63145 weather forecast Day 2, 0 hours 1 AM 77° 79° Clear 3%

0% Thunder
( 4% severe)
S   6 79% 70°
Low 73° SAINT LOUIS, MO 63145 weather forecast Day 2, 3 hours 4 AM 75° 75° Clear S   6 84% 70°
High 92° SAINT LOUIS, MO 63145 weather forecast Day 2, 6 hours 7 AM 75° 75° Partly Cloudy 3%

0% Thunder
( 10% severe)
SSW   6 84% 70°

Mostly Cloudy

Chance of Rain

SAINT LOUIS, MO 63145 weather forecast Day 2, 9 hours 10 AM 85° 90° Partly Cloudy WSW   7 63% 71°
SAINT LOUIS, MO 63145 weather forecast Day 2, 12 hours 1 PM 91° 95° Mostly Cloudy 48%
RAIN
***
0% Thunder
( 32% severe)
WSW   7 47% 68°
SAINT LOUIS, MO 63145 weather forecast Day 2, 15 hours 4 PM 91° 95° Mostly Cloudy WSW   7 47% 68°
SAINT LOUIS, MO 63145 weather forecast Day 2, 18 hours 7 PM 88° 93° Partly Cloudy 64%
RAIN
***
0% Thunder
( 53% severe)
S   8 55% 70°
SAINT LOUIS, MO 63145 weather forecast Day 2, 21 hours 10 PM 82° 86° Mostly Cloudy SW   7 69% 71°
Friday
10 JUL 2026
SAINT LOUIS, MO 63145 weather forecast Day 3, 0 hours 1 AM 78° 80° Mostly Cloudy 80%
RAIN
***
0% Thunder
( 35% severe)
S   7 82% 72°
Low 74° SAINT LOUIS, MO 63145 weather forecast Day 3, 3 hours 4 AM 76° 77° Mostly Cloudy WSW   7 85% 71°
High 88° SAINT LOUIS, MO 63145 weather forecast Day 3, 6 hours 7 AM 75° 75° Mostly Cloudy 34%
RAIN
.1–.25 in
0% Thunder
( 22% severe)
WSW   7 87% 71°

Mostly Cloudy

Rain Likely

SAINT LOUIS, MO 63145 weather forecast Day 3, 9 hours 10 AM 80° 84° Mostly Cloudy SSW   8 77% 72°
SAINT LOUIS, MO 63145 weather forecast Day 3, 15 hours 1 PM 84° 90° Mostly Cloudy 51%
RAIN
***
0% Thunder
( 42% severe)
SW   7 67% 72°
SAINT LOUIS, MO 63145 weather forecast Day 3, 18 hours 4 PM 86° 92° Mostly Cloudy WSW   7 63% 72°
SAINT LOUIS, MO 63145 weather forecast Day 3, 21 hours 7 PM 83° 88° Mostly Cloudy     N   7 70% 72°

ST. LOUIS, MO extended weather forecast

Saturday
11 JUL 2026
Sunday
12 JUL 2026
Monday
13 JUL 2026
Tuesday
14 JUL 2026
Wednesday
15 JUL 2026
Low 72° Low 75° Low 72° Low 75° Low 76°
High 90° High 91° High 92° High 93° High 93°
SAINT LOUIS, MO 63145 weather forecast Day 4 SAINT LOUIS, MO 63145 weather forecast Day 5 SAINT LOUIS, MO 63145 weather forecast Day 6 SAINT LOUIS, MO 63145 weather forecast Day 7 <!--SEARCHED_TOWN_NAME--> weather forecast Day 8
Overcast
68% Rain
Partly Cloudy
18% Rain
Clear
8% Rain
Partly Cloudy
13% Rain
Partly Cloudy
16% Rain
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