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
8:51 PM CDT JUL 18, 2026
Broken Clouds 84°F
Feels Like:	90°F
Dewpoint:	73°F
Rel. Hum.:	70%
Visibility:	10 miles
Wind:	W at 6 mph
Pressure:	29.93 inches
Last 72 hours
Local Area Snow Depth
Missouri Current Weather
Missouri MOS Forecast Weather

Regional Weather Maps

(Automated weather data from NWS/FAA)

63145 WEATHER FORECAST
10-Day model forecast maps 2025 Hurricanes	SAINT LOUIS, MO 63145 Weather Forecast	Snowfall Forecast pages Snow Depth pages

TONIGHT
Mostly clear this evening, then becoming partly cloudy. A slight chance of showers and thunderstorms. Lows in the mid 70s. West winds 5 to 10 mph. Chance of rain 20 percent. Heat index values up to 101 early this evening.

SUNDAY
Mostly sunny. Thunderstorms likely with a chance of showers in the afternoon. Humid with highs around 90. Northeast winds around 5 mph. Chance of rain 70 percent.

SUNDAY NIGHT
Partly cloudy. A chance of showers and thunderstorms in the evening. Lows in the lower 70s. East winds around 5 mph in the evening, becoming light and variable. Chance of rain 40 percent.

MONDAY
Mostly sunny. Humid with highs in the lower 90s. South winds around 5 mph. Heat index values up to 104.

MONDAY NIGHT
Mostly clear in the evening, then becoming partly cloudy. Humid with lows in the upper 70s. South winds around 5 mph. Heat index values up to 104 early in the evening.

TUESDAY
Sunny with a slight chance of showers and thunderstorms. Hot with highs in the mid 90s. Chance of rain 20 percent. Heat index values up to 105.

TUESDAY NIGHT AND WEDNESDAY
Mostly clear. Lows around 70. Highs in the mid 80s. Heat index values up to 100.

WEDNESDAY NIGHT
Mostly clear. Lows in the mid 60s.

THURSDAY
Mostly sunny. Highs in the mid 80s.

THURSDAY NIGHT
Partly cloudy. A slight chance of showers and thunderstorms after midnight. Lows in the mid 60s. Chance of rain 20 percent.

FRIDAY
Partly sunny with a slight chance of thunderstorms. A chance of showers, mainly in the morning. Highs in the mid 80s. Chance of rain 50 percent.

FRIDAY NIGHT
Partly cloudy. A slight chance of showers and thunderstorms after midnight. Lows in the upper 60s. Chance of rain 20 percent.

SATURDAY
Mostly sunny. Highs around 90.

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 AM CDT 7/18/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Saturday
18 JUL 2026

1 PM

91°

99°

Partly Cloudy

9%

0% Thunder
( 39% severe)

W 12

54%

72°

High 92°

4 PM

91°

99°

Partly Cloudy

W 13

54%

72°

Partly Cloudy

Chance of Rain

7 PM

89°

96°

Partly Cloudy

20%
RAIN
.25–.5 in

0% Thunder
( 30% severe)

W 10

57%

72°

10 PM

84°

90°

Partly Cloudy

W 7

67%

72°

Sunday
19 JUL 2026

1 AM

80°

84°

Partly Cloudy

12%
RAIN
<.01 in

0% Thunder
( 21% severe)

W 6

79%

73°

Low 77°

4 AM

77°

78°

Mostly Cloudy

W 5

87%

73°

High 89°

7 AM

77°

78°

Partly Cloudy

12%
RAIN
<.01 in

0% Thunder
( 19% severe)

N 3

87%

73°

Partly Cloudy

Chance of Rain

10 AM

84°

90°

Partly Cloudy

NE 6

70%

73°

1 PM

88°

96°

Partly Cloudy

41%
RAIN
***

0% Thunder
( 35% severe)

NNE 6

61%

73°

4 PM

88°

96°

Mostly Cloudy

ENE 7

61%

73°

7 PM

86°

92°

Partly Cloudy

16%
RAIN
.01–.1 in

0% Thunder
( 28% severe)

E 7

63%

72°

10 PM

80°

84°

Partly Cloudy

E 6

77%

72°

Monday
20 JUL 2026

1 AM

77°

78°

Partly Cloudy

2%

0% Thunder
( 15% severe)

ESE 5

85%

72°

Low 74°

4 AM

75°

75°

Partly Cloudy

ESE 2

90%

72°

High 92°

7 AM

75°

75°

Mostly Cloudy

2%

0% Thunder
( 14% severe)

ESE 3

90%

72°

Partly Cloudy

10 AM

84°

90°

Partly Cloudy

SSE 5

70%

73°

1 PM

90°

99°

Partly Cloudy

4%

0% Thunder
( 19% severe)

S 3

58%

73°

4 PM

92°

100°

Partly Cloudy

SSW 5

52%

72°

7 PM

90°

98°

Clear

S 8

56%

72°


ST. LOUIS, MO extended weather forecast
Tuesday 21 JUL 2026	Wednesday 22 JUL 2026	Thursday 23 JUL 2026	Friday 24 JUL 2026	Saturday 25 JUL 2026
Low 78°	Low 69°	Low 67°	Low 67°	Low 68°
High 97°	High 89°	High 84°	High 86°	High 88°

Partly Cloudy 29% Rain	Partly Cloudy 18% Rain	Partly Cloudy 19% Rain	Overcast 30% Rain	Partly Cloudy 38% Rain

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