Forecast Monster: Real-Time Local Weather Forecasts

Forecast Monster

St. Louis, MO

Monday, August 18, 2025 at 12:47 PM

MOSTLY_CLEAR

95°C

Feels like 106°C

Mostly sunny

High: 96°C

Low: 77°C

Today's Details

Wind

4mph

Gusts

9mph

Cloud Cover

25%

UV Index

8

Humidity

52%

Precipitation

0%

Sunrise

6:17AM

Sunset

7:50PM

Hourly Forecast

12:00PM

MOSTLY_CLEAR
93°C

Mostly sunny

1:00PM

MOSTLY_CLEAR
95°C

Mostly sunny

2:00PM

PARTLY_CLOUDY
95°C

Partly sunny

3:00PM

PARTLY_CLOUDY
95°C

Partly sunny

4:00PM

PARTLY_CLOUDY
95°C

Partly sunny

5:00PM

PARTLY_CLOUDY
95°C

Partly sunny

6:00PM

PARTLY_CLOUDY
93°C

Partly sunny

7:00PM

PARTLY_CLOUDY
91°C

Partly sunny

8:00PM

CHANCE_OF_SHOWERS
89°C

Chance of showers

9:00PM

CHANCE_OF_SHOWERS
86°C

Chance of showers

10:00PM

MOSTLY_CLEAR
85°C

Clear with periodic clouds

11:00PM

MOSTLY_CLEAR
84°C

Clear with periodic clouds

12:00AM

CLEAR
82°C

Clear

1:00AM

CLEAR
81°C

Clear

2:00AM

CLEAR
81°C

Clear

3:00AM

CLEAR
80°C

Clear

4:00AM

CLEAR
79°C

Clear

5:00AM

CLEAR
79°C

Clear

6:00AM

MOSTLY_CLEAR
79°C

Clear with periodic clouds

7:00AM

MOSTLY_CLEAR
78°C

Mostly sunny

8:00AM

RAIN_SHOWERS
80°C

Rain showers

9:00AM

CHANCE_OF_SHOWERS
84°C

Chance of showers

10:00AM

PARTLY_CLOUDY
87°C

Partly sunny

11:00AM

MOSTLY_CLEAR
89°C

Mostly sunny

Live St. Louis, MO Weather Radar

2025-08-18 11:52 CDT

10-Day Forecast for St. Louis, MO

Find a detailed, 10-day weather forecast for St. Louis, MO below. Click the row to expand the forecast for that day and night.

Daytime
Partly sunny

Partly sunny

High: 95°C

Low: 78°C

Humidity: 60%

Clouds: 44%

UV Index: 8 (Very High)

Rain: 15%

Wind: 7 mph

Nighttime
Clear

Clear

Humidity: 74%

Clouds: 35%

Rain: 20%

Wind: 6 mph


Sun Events

Sunrise:

6:17AM

Sunset:

7:50PM

Moon Events

Phase:

🌘

waning crescent

Moonrise:

12:55AM

Moonset:

5:01PM

Additional Details

Feels Like High

106°C

Feels Like Low

83°C

Heat Index

106°C

70% Thunderstorm
High UV Index

Daytime
Heavy thunderstorm

Heavy thunderstorm

High: 93°C

Low: 73°C

Humidity: 67%

Clouds: 75%

UV Index: 8 (Very High)

Rain: 55%

Wind: 8 mph

Nighttime
Partly cloudy

Partly cloudy

Humidity: 88%

Clouds: 80%

Rain: 45%

Wind: 6 mph


Sun Events

Sunrise:

6:18AM

Sunset:

7:49PM

Moon Events

Phase:

🌘

waning crescent

Moonrise:

1:58AM

Moonset:

5:55PM

Additional Details

Feels Like High

104°C

Feels Like Low

78°C

Heat Index

104°C

70% Thunderstorm
High UV Index

Daytime
Partly sunny

Partly sunny

High: 85°C

Low: 68°C

Humidity: 70%

Clouds: 80%

UV Index: 7 (High)

Rain: 20%

Wind: 10 mph

Nighttime
Clear with periodic clouds

Clear with periodic clouds

Humidity: 78%

Clouds: 40%

Rain: 15%

Wind: 9 mph


Sun Events

Sunrise:

6:19AM

Sunset:

7:47PM

Moon Events

Phase:

🌘

waning crescent

Moonrise:

3:08AM

Moonset:

6:38PM

Additional Details

Feels Like High

89°C

Feels Like Low

75°C

Heat Index

89°C

40% Thunderstorm
Windy

Daytime
Partly sunny

Partly sunny

High: 82°C

Low: 68°C

Humidity: 67%

Clouds: 56%

UV Index: 7 (High)

Rain: 15%

Wind: 8 mph

Nighttime
Clear

Clear

Humidity: 81%

Clouds: 45%

Rain: 5%

Wind: 8 mph


Sun Events

Sunrise:

6:20AM

Sunset:

7:46PM

Moon Events

Phase:

🌘

waning crescent

Moonrise:

4:20AM

Moonset:

7:13PM

Additional Details

Feels Like High

85°C

Feels Like Low

75°C

Heat Index

85°C

50% Thunderstorm

Daytime
Mostly sunny

Mostly sunny

High: 85°C

Low: 69°C

Humidity: 62%

Clouds: 37%

UV Index: 8 (Very High)

Wind: 6 mph

Nighttime
Clear

Clear

Humidity: 76%

Clouds: 24%

Wind: 5 mph


Sun Events

Sunrise:

6:21AM

Sunset:

7:45PM

Moon Events

Phase:

🌑

new moon

Moonrise:

5:30AM

Moonset:

7:42PM

Additional Details

Feels Like High

88°C

Feels Like Low

75°C

Heat Index

88°C

High UV Index

Daytime
Partly sunny

Partly sunny

High: 85°C

Low: 65°C

Humidity: 61%

Clouds: 60%

UV Index: 6 (High)

Rain: 15%

Wind: 6 mph

Nighttime
Rain showers

Rain showers

Humidity: 73%

Clouds: 45%

Rain: 45%

Wind: 6 mph


Sun Events

Sunrise:

6:22AM

Sunset:

7:43PM

Moon Events

Phase:

🌑

new moon

Moonrise:

6:38AM

Moonset:

8:06PM

Additional Details

Feels Like High

88°C

Feels Like Low

65°C

Heat Index

88°C

60% Thunderstorm

Daytime
Mostly sunny

Mostly sunny

High: 79°C

Low: 60°C

Humidity: 61%

Clouds: 25%

UV Index: 8 (Very High)

Rain: 45%

Wind: 8 mph

Nighttime
Clear with periodic clouds

Clear with periodic clouds

Humidity: 74%

Clouds: 20%

Wind: 8 mph


Sun Events

Sunrise:

6:23AM

Sunset:

7:42PM

Moon Events

Phase:

🌒

waxing crescent

Moonrise:

7:42AM

Moonset:

8:28PM

Additional Details

Feels Like High

80°C

Feels Like Low

59°C

Heat Index

80°C

10% Thunderstorm
High UV Index

Daytime
Partly sunny

Partly sunny

High: 76°C

Low: 60°C

Humidity: 58%

Clouds: 75%

UV Index: 5 (Moderate)

Rain: 10%

Wind: 7 mph

Nighttime
Partly cloudy

Partly cloudy

Humidity: 74%

Clouds: 45%

Rain: 5%

Wind: 5 mph


Sun Events

Sunrise:

6:24AM

Sunset:

7:40PM

Moon Events

Phase:

🌒

waxing crescent

Moonrise:

8:44AM

Moonset:

8:49PM

Additional Details

Feels Like High

78°C

Feels Like Low

60°C

Heat Index

78°C

Daytime
Partly sunny

Partly sunny

High: 77°C

Low: 62°C

Humidity: 59%

Clouds: 45%

UV Index: 7 (High)

Rain: 5%

Wind: 3 mph

Nighttime
Partly cloudy

Partly cloudy

Humidity: 74%

Clouds: 45%

Rain: 5%

Wind: 5 mph


Sun Events

Sunrise:

6:25AM

Sunset:

7:39PM

Moon Events

Phase:

🌒

waxing crescent

Moonrise:

9:45AM

Moonset:

9:10PM

Additional Details

Feels Like High

79°C

Feels Like Low

62°C

Heat Index

79°C

Daytime
Partly sunny

Partly sunny

High: 82°C

Low: 65°C

Humidity: 58%

Clouds: 65%

UV Index: 6 (High)

Rain: 5%

Wind: 6 mph

Nighttime
Partly cloudy

Partly cloudy

Humidity: 73%

Clouds: 70%

Rain: 10%

Wind: 6 mph


Sun Events

Sunrise:

6:25AM

Sunset:

7:37PM

Moon Events

Phase:

🌒

waxing crescent

Moonrise:

10:46AM

Moonset:

9:33PM

Additional Details

Feels Like High

83°C

Feels Like Low

65°C

Heat Index

83°C

St. Louis, MO Weather

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