SAINT LOUIS, MO 63145 Weather Forecast & Current Conditions

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ST. LOUIS, MO
Current Weather

7:51 PM CDT JUL 4, 2026
Broken Clouds
75°F
Feels Like: 75°F
Dewpoint: 72°F
Rel. Hum.: 90%
Visibility: 10 miles
Wind: SW at 7 mph
Pressure: 29.92 inches
Last 72 hours

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SAINT LOUIS, MO 63145
Weather Forecast

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Snow Depth pages
TONIGHT
Showers and thunderstorms, mainly this evening. Lows in the lower 70s. West winds around 5 mph. Chance of rain near 100 percent.
SUNDAY
Partly sunny with a slight chance of showers and thunderstorms. Humid with highs in the upper 80s. Northwest winds 5 to 10 mph. Chance of rain 20 percent.
SUNDAY NIGHT
Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows in the upper 60s. Northeast winds 5 to 10 mph. Chance of rain 20 percent.
MONDAY
Mostly sunny. Highs in the upper 80s. Northeast winds 5 to 10 mph.
MONDAY NIGHT
Partly cloudy in the evening, then becoming mostly clear. Lows in the upper 60s. Northeast winds 5 to 10 mph.
TUESDAY AND TUESDAY NIGHT
Mostly clear. Highs in the upper 80s. Lows in the upper 60s.
WEDNESDAY
Sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 20 percent.
WEDNESDAY NIGHT
Mostly clear. Lows in the lower 70s.
THURSDAY
Mostly sunny with a slight chance of showers and thunderstorms. Highs in the lower 90s. Chance of rain 20 percent. Heat index values up to 100.
THURSDAY NIGHT
Partly cloudy with a chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. Lows in the lower 70s. Chance of rain 60 percent. Heat index values up to 100 early in the evening.
FRIDAY
Partly sunny with a chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 50 percent.
FRIDAY NIGHT
Partly cloudy with a chance of showers and thunderstorms. Lows in the lower 70s. Chance of rain 40 percent.
SATURDAY
Mostly sunny with a slight chance of showers and thunderstorms. Highs in the upper 80s. Chance of rain 20 percent.

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/ 4/2026
Saturday
4 JUL 2026
SAINT LOUIS, MO 63145 weather forecast Day 1, 12 hours 1 PM 89° 96° Mostly Cloudy 26%
RAIN
.1–.25 in
0% Thunder
( 66% severe)
W   7 57% 72°
High 90° SAINT LOUIS, MO 63145 weather forecast Day 1, 15 hours 4 PM 89° 96° Mostly Cloudy W   7 57% 72°
Mostly Cloudy

Chance of Rain

SAINT LOUIS, MO 63145 weather forecast Day 1, 18 hours 7 PM 86° 92° Mostly Cloudy 29%
RAIN
.01–.1 in
0% Thunder
( 27% severe)
WNW   7 63% 72°
SAINT LOUIS, MO 63145 weather forecast Day 1, 21 hours 10 PM 80° 84° Mostly Cloudy W   5 77% 72°
Sunday
5 JUL 2026
SAINT LOUIS, MO 63145 weather forecast Day 2, 0 hours 1 AM 77° 78° Partly Cloudy 21%
RAIN
.1–.25 in
0% Thunder
( 20% severe)
W   5 85% 72°
Low 73° SAINT LOUIS, MO 63145 weather forecast Day 2, 3 hours 4 AM 75° 75° Mostly Cloudy W   3 87% 71°
High 87° SAINT LOUIS, MO 63145 weather forecast Day 2, 6 hours 7 AM 75° 75° Mostly Cloudy 13%
RAIN
<.01 in
0% Thunder
( 20% severe)
W   3 87% 71°

Mostly Cloudy



SAINT LOUIS, MO 63145 weather forecast Day 2, 9 hours 10 AM 80° 83° Mostly Cloudy NW   6 74% 71°
SAINT LOUIS, MO 63145 weather forecast Day 2, 12 hours 1 PM 85° 90° Mostly Cloudy 19%
RAIN
<.01 in
0% Thunder
( 36% severe)
NNW   7 63% 71°
SAINT LOUIS, MO 63145 weather forecast Day 2, 15 hours 4 PM 87° 93° Mostly Cloudy NNW   8 59% 71°
SAINT LOUIS, MO 63145 weather forecast Day 2, 18 hours 7 PM 84° 89° Partly Cloudy 13%
RAIN
<.01 in
0% Thunder
( 29% severe)
N   9 65% 71°
SAINT LOUIS, MO 63145 weather forecast Day 2, 21 hours 10 PM 79° 82° Partly Cloudy NNE   6 77% 71°
Monday
6 JUL 2026
SAINT LOUIS, MO 63145 weather forecast Day 3, 0 hours 1 AM 76° 77° Clear 24%
RAIN
.1–.25 in
0% Thunder
( 12% severe)
NE   3 85% 71°
Low 72° SAINT LOUIS, MO 63145 weather forecast Day 3, 3 hours 4 AM 74° 74° Partly Cloudy NE   3 87% 70°
High 86° SAINT LOUIS, MO 63145 weather forecast Day 3, 6 hours 7 AM 73° 73° Partly Cloudy 9%

0% Thunder
( 13% severe)
NE   6 87% 69°

Partly Cloudy



SAINT LOUIS, MO 63145 weather forecast Day 3, 9 hours 10 AM 79° 82° Partly Cloudy NE   7 74% 70°
SAINT LOUIS, MO 63145 weather forecast Day 3, 15 hours 1 PM 84° 88° Partly Cloudy 12%
RAIN
<.01 in
0% Thunder
( 29% severe)
NE   8 61% 69°
SAINT LOUIS, MO 63145 weather forecast Day 3, 18 hours 4 PM 86° 90° Partly Cloudy NNE   9 57% 69°
SAINT LOUIS, MO 63145 weather forecast Day 3, 21 hours 7 PM 84° 87° Partly Cloudy     NE   10 59% 68°

ST. LOUIS, MO extended weather forecast

Tuesday
7 JUL 2026
Wednesday
8 JUL 2026
Thursday
9 JUL 2026
Friday
10 JUL 2026
Saturday
11 JUL 2026
Low 70° Low 72° Low 74° Low 73° Low 74°
High 89° High 92° High 89° High 90° High 91°
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
Clear
2% Rain
Partly Cloudy
13% Rain
Overcast
42% Rain
Overcast
45% Rain
Overcast
32% Rain
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