SAINT LOUIS, MO 63145 Weather Forecast & Current Conditions

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ST. LOUIS, MO
Current Weather

8:51 AM CDT MAR 19, 2026
Broken Clouds
55°F
Feels Like: 55°F
Dewpoint: 39°F
Rel. Hum.: 55%
Visibility: 10 miles
Wind: Calm
Pressure: 30.05 inches
Last 72 hours

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SAINT LOUIS, MO 63145
Weather Forecast

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TODAY
Partly sunny this morning, then clearing. Highs in the mid 70s. South winds around 5 mph.
TONIGHT
Mostly clear. Lows around 50. South winds around 5 mph.
FRIDAY
Sunny. Highs in the lower 80s. West winds 5 to 10 mph.
FRIDAY NIGHT
Partly cloudy in the evening, then clearing. Lows in the lower 50s. Northwest winds 5 to 10 mph.
SATURDAY
Sunny. Highs around 80. North winds around 5 mph, becoming southwest around 5 mph in the afternoon.
SATURDAY NIGHT
Mostly clear. Lows in the upper 50s.
SUNDAY AND SUNDAY NIGHT
Partly cloudy. Highs in the mid 80s. Lows around 40.
MONDAY
Sunny. Much cooler with highs in the mid 50s.
MONDAY NIGHT
Mostly clear in the evening, then becoming mostly cloudy. Lows in the mid 30s.
TUESDAY AND TUESDAY NIGHT
Mostly cloudy. Highs in the upper 50s. Lows around 40.
WEDNESDAY
Mostly sunny. Not as cool with highs around 70.

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  6:00 PM CST  3/18/2026
Thursday
19 MAR 2026
SAINT LOUIS, MO 63145 weather forecast Day 1, 0 hours 12 AM 51° 50° Partly Cloudy 3%

0% Thunder
( 3% severe)
S   3 63% 39°
Low 46° SAINT LOUIS, MO 63145 weather forecast Day 1, 3 hours 3 AM 47° 46° Partly Cloudy SSW   3 74% 39°
High 75° SAINT LOUIS, MO 63145 weather forecast Day 1, 6 hours 6 AM 47° 46° Mostly Cloudy 4%

0% Thunder
( 4% severe)
SW   3 76% 40°

Decreasing Clouds



SAINT LOUIS, MO 63145 weather forecast Day 1, 9 hours 9 AM 58° 58° Partly Cloudy SSW   3 57% 43°
SAINT LOUIS, MO 63145 weather forecast Day 1, 12 hours 12 PM 69° 69° Clear 1%

0% Thunder
( 2% severe)
SSW   5 40% 44°
SAINT LOUIS, MO 63145 weather forecast Day 1, 15 hours 3 PM 74° 74° Clear S   5 34% 44°
SAINT LOUIS, MO 63145 weather forecast Day 1, 18 hours 6 PM 69° 69° Clear 1%

0% Thunder
( 2% severe)
SSE   3 44% 46°
SAINT LOUIS, MO 63145 weather forecast Day 1, 21 hours 9 PM 62° 62° Partly Cloudy SSE   5 58% 47°
Friday
20 MAR 2026
SAINT LOUIS, MO 63145 weather forecast Day 2, 0 hours 12 AM 58° 58° Partly Cloudy 3%

0% Thunder
( 3% severe)
S   3 67% 47°
Low 51° SAINT LOUIS, MO 63145 weather forecast Day 2, 3 hours 3 AM 54° 54° Partly Cloudy SW   3 77% 47°
High 82° SAINT LOUIS, MO 63145 weather forecast Day 2, 6 hours 6 AM 53° 53° Clear 0%

0% Thunder
( 3% severe)
WSW   3 80% 47°

Partly Cloudy



SAINT LOUIS, MO 63145 weather forecast Day 2, 9 hours 9 AM 64° 64° Partly Cloudy WSW   7 60% 50°
SAINT LOUIS, MO 63145 weather forecast Day 2, 12 hours 12 PM 76° 78° Partly Cloudy 0%

0% Thunder
( 3% severe)
WSW   9 40% 50°
SAINT LOUIS, MO 63145 weather forecast Day 2, 15 hours 3 PM 81° 80° Partly Cloudy W   10 33% 49°
SAINT LOUIS, MO 63145 weather forecast Day 2, 18 hours 6 PM 75° 75° Partly Cloudy 0%

0% Thunder
( 3% severe)
W   7 41% 50°
SAINT LOUIS, MO 63145 weather forecast Day 2, 21 hours 9 PM 66° 66° Partly Cloudy NW   6 56% 50°

ST. LOUIS, MO extended weather forecast

BAD DAY
BAD DATE
BAD DAY
BAD DATE
BAD DAY
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Low 55° Low 55° Low 59° Low 48° Low 39°
High 84° High 76° High 83° High 57° High 59°
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
5% Rain
Clear
7% Rain
Clear
7% Rain
Partly Cloudy
27% Rain
Partly Cloudy
12% Rain
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