FLORISSANT, MO 63033 Weather Forecast & Current Conditions

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63033 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
ST. LOUIS, MO Current Weather
12:51 PM CDT AUG 18, 2025
Few Clouds 93°F
Feels Like:	101°F
Dewpoint:	72°F
Rel. Hum.:	51%
Visibility:	10 miles
Wind:	Calm
Pressure:	30.03 inches
Last 72 hours
Local Area Snow Depth
Missouri Current Weather
Missouri MOS Forecast Weather

Regional Weather Maps

(Automated weather data from NWS/FAA)

63033 WEATHER FORECAST
10-Day model forecast maps 2025 Hurricanes	FLORISSANT, MO 63033 Weather Forecast	Snowfall Forecast pages Snow Depth pages

THIS AFTERNOON
Sunny with a slight chance of showers and thunderstorms. Hot. Near steady temperature in the mid 90s. South winds 5 to 10 mph. Chance of rain 20 percent. Heat index values up to 109.

TONIGHT
Mostly clear with a slight chance of showers and thunderstorms in the evening, then partly cloudy with a chance of showers and thunderstorms after midnight. Humid with lows in the mid 70s. South winds around 5 mph. Chance of rain 30 percent. Heat index values up to 105 early in the evening.

TUESDAY
Mostly sunny with a slight chance of showers and thunderstorms. Humid with highs in the lower 90s. Southwest winds around 5 mph, becoming northwest in the afternoon. Chance of rain 20 percent. Heat index values up to 105.

TUESDAY NIGHT
Partly cloudy with a chance of showers and thunderstorms in the evening, then mostly cloudy with a chance of showers with a slight chance of thunderstorms after midnight. Humid with lows in the lower 70s. North winds 5 to 10 mph. Chance of rain 40 percent. Heat index values up to 101 early in the evening.

WEDNESDAY
Mostly sunny. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Humid with highs in the upper 80s. North winds 5 to 10 mph. Chance of rain 30 percent.

WEDNESDAY NIGHT
Partly cloudy. Lows in the mid 60s.

THURSDAY THROUGH SUNDAY
Mostly clear. Highs in the mid 80s. Lows in the mid 60s.

63033 WEATHER SATELLITE LOOPS

Visible Weather Satellite
FLORISSANT, MO 63033

Infrared Weather Satellite
FLORISSANT, MO 63033

63033 WEATHER RADAR LOOP

NEXRAD Weather Radar
FLORISSANT, MO 63033

MOS COMPUTER WEATHER FORECAST

ST. LOUIS, MO 3 hourly weather forecast

weather forecast created 7:00 AM CDT 8/18/2025

DAY/DATE &
WEATHER FORECAST SUMMARY

Monday
18 AUG 2025

1 PM

93°

101°

Partly Cloudy

7%

0% Thunder
( 17% severe)

S 8

51%

72°

High 95°

4 PM

94°

101°

Partly Cloudy

SSE 7

47%

71°

Partly Cloudy

7 PM

91°

98°

Partly Cloudy

9%

0% Thunder
( 26% severe)

S 7

52%

71°

10 PM

86°

92°

Clear

SSE 6

63%

72°

Tuesday
19 AUG 2025

1 AM

82°

87°

Partly Cloudy

22%
RAIN
<.01 in

0% Thunder
( 20% severe)

S 6

72%

72°

Low 77°

4 AM

80°

83°

Partly Cloudy

S 5

74%

71°

High 93°

7 AM

79°

82°

Partly Cloudy

21%
RAIN
<.01 in

0% Thunder
( 16% severe)

SW 5

77%

71°

Partly Cloudy

Chance of Rain

10 AM

85°

91°

Partly Cloudy

W 6

65%

72°

1 PM

90°

98°

Partly Cloudy

34%
RAIN
.01–.1 in

0% Thunder
( 37% severe)

WNW 7

56%

72°

4 PM

91°

99°

Partly Cloudy

NW 7

54%

72°

7 PM

87°

93°

Partly Cloudy

29%
RAIN
***

0% Thunder
( 44% severe)

N 7

61%

72°

10 PM

82°

87°

Partly Cloudy

NNW 5

74%

73°

Wednesday
20 AUG 2025

1 AM

79°

82°

Partly Cloudy

16%
RAIN
.01–.1 in

0% Thunder
( 22% severe)

N 5

82%

73°

Low 74°

4 AM

77°

78°

Mostly Cloudy

N 6

87%

73°

High 88°

7 AM

76°

76°

Mostly Cloudy

12%
RAIN
<.01 in

0% Thunder
( 11% severe)

NNE 7

87%

72°

Partly Cloudy

10 AM

81°

85°

Partly Cloudy

NNE 8

74%

72°

1 PM

85°

90°

Partly Cloudy

12%
RAIN
<.01 in

0% Thunder
( 21% severe)

NNE 10

63%

71°

4 PM

85°

89°

Partly Cloudy

NNE 12

59%

69°

7 PM

83°

86°

Partly Cloudy

NNE 12

61%

68°


ST. LOUIS, MO extended weather forecast
Thursday 21 AUG 2025	Friday 22 AUG 2025	Saturday 23 AUG 2025	Sunday 24 AUG 2025	Monday 25 AUG 2025
Low 70°	Low 71°	Low 72°	Low 64°	Low 64°
High 88°	High 90°	High 87°	High 80°	High 83°

Partly Cloudy 12% Rain	Clear 11% Rain	Partly Cloudy 12% Rain	Partly Cloudy 29% Rain	Partly Cloudy 38% Rain

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