SAINT LOUIS, MO 63145 Weather Forecast & Current Conditions
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  63145 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)
 CURRENT WEATHER

ST. LOUIS, MO
Current Weather
12:51 AM CDT AUG 16, 2026
Few Clouds
86°F
Feels Like: 93°F
Dewpoint: 73°F
Rel. Hum.: 65%
Visibility: 10 miles
Wind: S at 3 mph
Pressure: 30.03 inches
Last 72 hours

Local Area Snow Depth

Missouri Current Weather

Missouri MOS Forecast Weather


Weather Map

(Automated weather data from NWS/FAA)
  63145 WEATHER FORECAST
10-Day model forecast maps
2026 Hurricanes

SAINT LOUIS, MO 63145
Weather Forecast

 Snowfall Forecast pages
Snow Depth pages
REST OF TONIGHT
Mostly cloudy with a slight chance of showers and thunderstorms. Near steady temperature in the upper 70s. Southwest winds around 5 mph. Chance of rain 20 percent.
SUNDAY
Partly sunny. A chance of showers and thunderstorms, mainly in the morning. Humid with highs in the lower 90s. West winds 5 to 10 mph. Gusts up to 20 mph in the morning. Chance of rain 40 percent. Heat index values up to 111 in the afternoon.
SUNDAY NIGHT
Partly cloudy in the evening, then becoming mostly cloudy. A chance of showers and thunderstorms. Humid with lows in the lower 70s. North winds 5 to 10 mph. Chance of rain 40 percent. Heat index values up to 107 early in the evening.
MONDAY
Mostly sunny. Highs in the mid 80s. North winds 5 to 10 mph.
MONDAY NIGHT
Mostly clear. Lows in the mid 60s. North winds around 5 mph in the evening, becoming light and variable.
TUESDAY
Sunny. Highs in the upper 80s.
TUESDAY NIGHT
Partly cloudy. A chance of showers and thunderstorms after midnight. Lows in the lower 70s. Chance of rain 50 percent.
WEDNESDAY
Partly sunny with a slight chance of thunderstorms. A chance of showers, mainly in the morning. Highs in the upper 80s. Chance of rain 50 percent.
WEDNESDAY NIGHT
Partly cloudy in the evening, then becoming mostly cloudy. A chance of thunderstorms. A chance of showers. Lows in the upper 60s. Chance of rain 50 percent.
THURSDAY
Partly sunny. A chance of showers with a slight chance of thunderstorms in the morning. Highs in the lower 80s. Chance of rain 50 percent.
THURSDAY NIGHT
Mostly cloudy with a slight chance of showers and thunderstorms in the evening, then partly cloudy with a chance of showers after midnight. Lows in the mid 60s. Chance of rain 30 percent.
FRIDAY THROUGH SATURDAY
Partly cloudy. Highs in the mid 80s. Lows in the mid 60s.

  63145 WEATHER SATELLITE LOOPS
Visible Weather Satellite
SAINT LOUIS, MO 63145
Infrared Weather Satellite
SAINT LOUIS, MO 63145
  63145 WEATHER RADAR LOOP
NEXRAD Weather Radar
SAINT LOUIS, MO 63145
 MOS COMPUTER WEATHER FORECAST

ST. LOUIS, MO 3 hourly weather forecast
weather forecast created  7:00 PM CDT  8/15/2026
Sunday
16 AUG 2026		 SAINT LOUIS, MO 63145 weather forecast Day 1, 0 hours 1 AM 83° 88° Partly Cloudy 10%
RAIN
<.01 in		 0% Thunder
( 23% severe)		 SSW   6 70% 72°
Low 78° SAINT LOUIS, MO 63145 weather forecast Day 1, 3 hours 4 AM 81° 85° Mostly Cloudy WSW   8 72% 71°
High 94° SAINT LOUIS, MO 63145 weather forecast Day 1, 6 hours 7 AM 79° 82° Mostly Cloudy 14%
RAIN
<.01 in		 0% Thunder
( 17% severe)		 NW   7 77% 71°

Mostly Cloudy



 SAINT LOUIS, MO 63145 weather forecast Day 1, 9 hours 10 AM 86° 93° Mostly Cloudy W   8 65% 73°
SAINT LOUIS, MO 63145 weather forecast Day 1, 12 hours 1 PM 92° 102° Mostly Cloudy 13%
RAIN
<.01 in		 0% Thunder
( 28% severe)		 W   9 56% 74°
SAINT LOUIS, MO 63145 weather forecast Day 1, 15 hours 4 PM 94° 105° Partly Cloudy NW   10 53% 74°
SAINT LOUIS, MO 63145 weather forecast Day 1, 18 hours 7 PM 88° 96° Partly Cloudy 27%
RAIN
***		 0% Thunder
( 47% severe)		 NNW   12 61% 73°
SAINT LOUIS, MO 63145 weather forecast Day 1, 21 hours 10 PM 81° 86° Partly Cloudy N   10 79% 74°
Monday
17 AUG 2026		 SAINT LOUIS, MO 63145 weather forecast Day 2, 0 hours 1 AM 77° 78° Mostly Cloudy 17%
RAIN
.25–.5 in		 0% Thunder
( 22% severe)		 N   8 90% 74°
Low 72° SAINT LOUIS, MO 63145 weather forecast Day 2, 3 hours 4 AM 75° 75° Partly Cloudy NNW   8 94% 73°
High 85° SAINT LOUIS, MO 63145 weather forecast Day 2, 6 hours 7 AM 73° 73° Partly Cloudy 2%

 0% Thunder
( 4% severe)		 NNW   8 90% 70°

Partly Cloudy



 SAINT LOUIS, MO 63145 weather forecast Day 2, 9 hours 10 AM 78° 80° Partly Cloudy NNW   8 74% 69°
SAINT LOUIS, MO 63145 weather forecast Day 2, 12 hours 1 PM 83° 86° Partly Cloudy 0%

 0% Thunder
( 5% severe)		 NNW   8 61% 68°
SAINT LOUIS, MO 63145 weather forecast Day 2, 15 hours 4 PM 85° 88° Clear NNW   9 55% 67°
SAINT LOUIS, MO 63145 weather forecast Day 2, 18 hours 7 PM 82° 84° Partly Cloudy 0%

 0% Thunder
( 4% severe)		 N   8 58% 66°
SAINT LOUIS, MO 63145 weather forecast Day 2, 21 hours 10 PM 76° 77° Partly Cloudy NNE   5 74% 67°

ST. LOUIS, MO extended weather forecast
Tuesday
18 AUG 2026		 Wednesday
19 AUG 2026		 Thursday
20 AUG 2026		 Friday
21 AUG 2026		 Saturday
22 AUG 2026
Low 70° Low 73° Low 71° Low 68° Low 63°
High 95° High 91° High 84° High 82° High 87°
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
11% Rain		 Overcast
43% Rain		 Overcast
67% Rain		 Overcast
50% Rain		 Partly Cloudy
19% Rain
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