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
2:51 PM CDT SEP 16, 2026
Broken Clouds 93°F
Feels Like:	101°F
Dewpoint:	72°F
Rel. Hum.:	51%
Visibility:	10 miles
Wind:	SSW at 6 mph
Pressure:	30.21 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 2026 Hurricanes	SAINT LOUIS, MO 63145 Weather Forecast	Snowfall Forecast pages Snow Depth pages

TONIGHT
Mostly cloudy with scattered thunderstorms with a slight chance of showers this evening, then mostly clear after midnight. Lows in the mid 70s. South winds around 5 mph. Chance of rain 40 percent.

THURSDAY
Sunny, hot with highs in the upper 90s. West winds around 5 mph. Heat index values up to 107.

THURSDAY NIGHT
Mostly clear. Humid with lows in the lower 70s. Northeast winds around 5 mph. Heat index values up to 102 early in the evening.

FRIDAY
Sunny, hot with highs in the mid 90s. East winds around 5 mph, becoming south in the afternoon. Heat index values up to 105 in the afternoon.

FRIDAY NIGHT
Mostly clear. Lows in the lower 70s. Southeast winds around 5 mph. Heat index values up to 100 early in the evening.

SATURDAY
Mostly sunny. Hot with highs in the upper 90s.

SATURDAY NIGHT AND SUNDAY
Partly cloudy. A chance of showers with a slight chance of thunderstorms. Lows in the lower 70s. Highs in the lower 90s. Chance of rain 40 percent.

SUNDAY NIGHT
Partly cloudy in the evening, then becoming mostly cloudy. A slight chance of thunderstorms in the evening. A slight chance of showers. Lows in the upper 60s. Chance of rain 20 percent.

MONDAY
Partly sunny. A slight chance of showers in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 40 percent.

MONDAY NIGHT
Mostly cloudy with a chance of showers in the evening, then partly cloudy with a slight chance of showers after midnight. Lows in the mid 60s. Chance of rain 40 percent.

TUESDAY THROUGH WEDNESDAY
Partly cloudy with a 20 percent chance of showers. Highs in the lower 80s. Lows in the lower 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 AM CDT 9/16/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Wednesday
16 SEP 2026

1 PM

92°

100°

Mostly Cloudy

17%
RAIN
<.01 in

0% Thunder
( 26% severe)

W 6

52%

72°

High 96°

4 PM

95°

104°

Partly Cloudy

W 5

48%

72°

Mostly Cloudy

7 PM

90°

96°

Mostly Cloudy

6%

0% Thunder
( 21% severe)

SSW 7

54%

71°

10 PM

84°

90°

Partly Cloudy

S 6

67%

72°

Thursday
17 SEP 2026

1 AM

82°

87°

Partly Cloudy

2%

0% Thunder
( 8% severe)

SSE 6

72%

72°

Low 77°

4 AM

80°

83°

Partly Cloudy

S 7

72%

70°

High 95°

7 AM

78°

80°

Partly Cloudy

2%

0% Thunder
( 5% severe)

SW 7

74%

69°

Partly Cloudy

10 AM

86°

91°

Clear

WSW 8

59%

70°

1 PM

93°

100°

Partly Cloudy

13%
RAIN
.1–.25 in

0% Thunder
( 25% severe)

W 7

49%

71°

4 PM

95°

102°

Partly Cloudy

WNW 6

45%

70°

7 PM

90°

96°

Partly Cloudy

4%

0% Thunder
( 20% severe)

SSE 5

52%

70°

10 PM

84°

90°

Partly Cloudy

E 5

67%

72°

Friday
18 SEP 2026

1 AM

81°

86°

Clear

3%

0% Thunder
( 11% severe)

ESE 6

77%

73°

Low 76°

4 AM

78°

80°

Partly Cloudy

ESE 7

82%

72°

High 94°

7 AM

76°

77°

Partly Cloudy

4%

0% Thunder
( 7% severe)

NE 7

85%

71°

Partly Cloudy

10 AM

83°

88°

Partly Cloudy

ESE 8

67%

71°

1 PM

91°

97°

Partly Cloudy

3%

0% Thunder
( 21% severe)

S 6

50%

70°

4 PM

94°

99°

Partly Cloudy

SSW 6

44%

69°

7 PM

90°

94°

Partly Cloudy

S 8

49%

68°


ST. LOUIS, MO extended weather forecast
Saturday 19 SEP 2026	Sunday 20 SEP 2026	Monday 21 SEP 2026	Tuesday 22 SEP 2026	Wednesday 23 SEP 2026
Low 76°	Low 72°	Low 69°	Low 61°	Low 62°
High 95°	High 92°	High 85°	High 82°	High 81°

Partly Cloudy 16% Rain	Partly Cloudy 22% Rain	Mostly Cloudy 30% Rain	Partly Cloudy 25% Rain	Mostly Cloudy 34% Rain

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