SAINT LOUIS, MO 63145 Weather Forecast & Current Conditions

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ST. LOUIS, MO
Current Weather

2:51 AM CDT AUG 30, 2026
Few Clouds
73°F
Feels Like: 73°F
Dewpoint: 63°F
Rel. Hum.: 71%
Visibility: 10 miles
Wind: S at 10 mph
Pressure: 30.03 inches
Last 72 hours

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SAINT LOUIS, MO 63145
Weather Forecast

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Snow Depth pages
REST OF TONIGHT
Mostly clear. Near steady temperature in the upper 60s. South winds around 5 mph.
SUNDAY
Sunny, hot with highs in the mid 90s. South winds 5 to 10 mph.
SUNDAY NIGHT
Mostly clear. Lows in the lower 70s. South winds 5 to 10 mph.
MONDAY
Sunny, hot with highs in the upper 90s. South winds 5 to 10 mph.
MONDAY NIGHT
Mostly clear. Lows in the mid 70s. South winds 5 to 10 mph. Heat index values up to 101 early in the evening.
TUESDAY
Sunny, hot with highs in the upper 90s.
TUESDAY NIGHT THROUGH THURSDAY NIGHT
Mostly clear. Hot. Lows in the upper 70s. Highs around 100. Heat index values up to 105.
FRIDAY
Mostly sunny. A slight chance of showers in the morning. Hot with highs in the upper 90s. Chance of rain 20 percent. Heat index values up to 105.
FRIDAY NIGHT AND SATURDAY
Partly cloudy. A slight chance of showers and thunderstorms. Hot. Lows in the mid 70s. Highs in the mid 90s. Chance of rain 20 percent. Heat index values up to 105.

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 PM CDT  8/29/2026
Sunday
30 AUG 2026
SAINT LOUIS, MO 63145 weather forecast Day 1, 0 hours 1 AM 77° 79° Partly Cloudy 0%

0% Thunder
( 1% severe)
S   9 60% 62°
Low 71° SAINT LOUIS, MO 63145 weather forecast Day 1, 3 hours 4 AM 74° 74° Partly Cloudy S   9 62% 60°
High 95° SAINT LOUIS, MO 63145 weather forecast Day 1, 6 hours 7 AM 72° 72° Partly Cloudy 0%

0% Thunder
( 0% severe)
S   9 66% 60°

Partly Cloudy



SAINT LOUIS, MO 63145 weather forecast Day 1, 9 hours 10 AM 82° 83° Partly Cloudy SSW   10 49% 61°
SAINT LOUIS, MO 63145 weather forecast Day 1, 12 hours 1 PM 92° 92° Partly Cloudy 0%

0% Thunder
( 2% severe)
SSW   12 36% 61°
SAINT LOUIS, MO 63145 weather forecast Day 1, 15 hours 4 PM 95° 95° Partly Cloudy S   12 31% 60°
SAINT LOUIS, MO 63145 weather forecast Day 1, 18 hours 7 PM 91° 90° Partly Cloudy 1%

0% Thunder
( 3% severe)
S   12 34% 59°
SAINT LOUIS, MO 63145 weather forecast Day 1, 21 hours 10 PM 84° 84° Partly Cloudy S   12 43% 59°
Monday
31 AUG 2026
SAINT LOUIS, MO 63145 weather forecast Day 2, 0 hours 1 AM 81° 81° Partly Cloudy 1%

0% Thunder
( 1% severe)
S   10 47% 59°
Low 76° SAINT LOUIS, MO 63145 weather forecast Day 2, 3 hours 4 AM 78° 79° Partly Cloudy SSW   9 52% 59°
High 99° SAINT LOUIS, MO 63145 weather forecast Day 2, 6 hours 7 AM 76° 78° Partly Cloudy 0%

0% Thunder
( 1% severe)
SSW   9 58% 60°

Partly Cloudy



SAINT LOUIS, MO 63145 weather forecast Day 2, 9 hours 10 AM 85° 86° Partly Cloudy SSW   12 46% 62°
SAINT LOUIS, MO 63145 weather forecast Day 2, 12 hours 1 PM 95° 96° Partly Cloudy 0%

0% Thunder
( 4% severe)
SSW   12 35% 63°
SAINT LOUIS, MO 63145 weather forecast Day 2, 15 hours 4 PM 99° 101° Partly Cloudy SSW   10 30% 62°
SAINT LOUIS, MO 63145 weather forecast Day 2, 18 hours 7 PM 95° 96° Clear 0%

0% Thunder
( 3% severe)
S   9 35% 63°
SAINT LOUIS, MO 63145 weather forecast Day 2, 21 hours 10 PM 88° 89° Clear S   12 45% 64°

ST. LOUIS, MO extended weather forecast

Tuesday
1 SEP 2026
Wednesday
2 SEP 2026
Thursday
3 SEP 2026
Friday
4 SEP 2026
Saturday
5 SEP 2026
Low 78° Low 78° Low 77° Low 75° Low 76°
High 102° High 102° High 100° High 94° High 95°
SAINT LOUIS, MO 63145 weather forecast Day 3 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
Clear
9% Rain
Clear
10% Rain
Partly Cloudy
14% Rain
Partly Cloudy
15% Rain
Partly Cloudy
19% Rain
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