Live Weather & Forecast

Weather in St. Louis

Missouri, United States · Real-time conditions & 3-day outlook

Flag of United States
Partly cloudy
24°C
Feels like 25°C
76°F / Feels 78°F
Partly cloudy
St. Louis, Missouri
🌞 Daytime
Updated: 2026-04-12 17:30
💧
Humidity
47%
💨
Wind
28.8 km/h S
🌬️
Wind Gust
46 km/h
🌡️
Pressure
1013 mb
👁️
Visibility
16 km
☀️
UV Index
0.2 (Low)
🌧️
Precipitation
0 mm
☁️
Cloud Cover
75%
💦
Dew Point
15.2°C
🌐
Wind Degree
188°

Air Quality Index

US EPA: Good UK DEFRA: Low (1)
CO
156.9 μg/m³
NO₂
6.5 μg/m³
O₃
106 μg/m³
SO₂
3.1 μg/m³
PM 2.5
5.6 μg/m³
PM 10
5.9 μg/m³

Weather Alerts 2

Met · Severe · Immediate
Flood Warning issued April 11 at 9:46PM CDT by NWS St Louis MO

...The Flood Warning continues for the following rivers in Missouri...Illinois... Mississippi River at Hannibal. Mississippi River at Clarksville. Mississippi River at Louisiana. River forecasts are based on observed precipitation and forecast precipitation for the next 24 hours. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Mississippi River at Clarksville....

Motorists should not attempt to drive around barricades or drive cars through flooded areas. This product, along with additional weather and stream information, is available at https://water.noaa.gov/wfo/lsx

Effective: 2026-04-11T21:46:00-05:00  ·  Expires: 2026-04-13T10:00:00-05:00
Met · Severe · Immediate
Flood Warning issued April 12 at 11:41AM CDT until April 20 at 7:00AM CDT by NWS St Louis MO

...The Flood Warning continues for the following river in Missouri and Illinois... Mississippi River at Hannibal Clarksville Louisiana River forecasts are based on observed precipitation and forecast precipitation for the next 24 hours. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Mississippi River at Clarksville. * WHEN...Until Monday, April 20. * ADDITI...

Motorists should not attempt to drive around barricades or drive cars through flooded areas. This product, along with additional weather and stream information, is available at https://water.noaa.gov/wfo/lsx

Effective: 2026-04-12T11:41:00-05:00  ·  Expires: 2026-04-13T23:45:00-05:00

Today's Hourly Forecast

24-hour breakdown for St. Louis, Missouri

12 AM
Clear
17°
Clear
💧 80% 💨 16.2 km/h
1 AM
Clear
17°
Clear
💧 82% 💨 16.2 km/h
2 AM
Clear
17°
Clear
💧 84% 💨 17.6 km/h
3 AM
Clear
16°
Clear
💧 83% 💨 15.1 km/h
4 AM
Clear
16°
Clear
💧 82% 💨 14.8 km/h
5 AM
Clear
15°
Clear
💧 83% 💨 14.4 km/h
6 AM
Clear
15°
Clear
💧 83% 💨 13.7 km/h
7 AM
Sunny
16°
Sunny
💧 84% 💨 14.8 km/h
8 AM
Sunny
18°
Sunny
💧 80% 💨 18 km/h
9 AM
Sunny
20°
Sunny
💧 71% 💨 22.3 km/h
10 AM
Sunny
23°
Sunny
💧 65% 💨 22.7 km/h
11 AM
Sunny
26°
Sunny
💧 55% 💨 25.9 km/h
12 PM
Sunny
28°
Sunny
💧 47% 💨 26.6 km/h
1 PM
Sunny
29°
Sunny
💧 39% 💨 26.6 km/h
2 PM
Sunny
29°
Sunny
💧 39% 💨 29.9 km/h
3 PM
Patchy rain nearby
28°
Patchy rain nearby
💧 40% 💨 27.7 km/h 🌧️ 69%
4 PM
Patchy rain nearby
27°
Patchy rain nearby
💧 47% 💨 27.4 km/h 🌧️ 84%
5 PM
Partly cloudy
24°
Partly cloudy
💧 47% 💨 28.8 km/h
6 PM
Patchy rain nearby
25°
Patchy rain nearby
💧 48% 💨 32 km/h 🌧️ 61%
7 PM
Patchy rain nearby
23°
Patchy rain nearby
💧 54% 💨 30.6 km/h 🌧️ 100%
8 PM
Patchy rain nearby
21°
Patchy rain nearby
💧 58% 💨 29.5 km/h 🌧️ 100%
9 PM
Patchy rain nearby
21°
Patchy rain nearby
💧 66% 💨 26.3 km/h 🌧️ 100%
10 PM
Patchy rain nearby
20°
Patchy rain nearby
💧 79% 💨 22.3 km/h 🌧️ 100%
11 PM
Clear
20°
Clear
💧 83% 💨 21.2 km/h

3-Day Forecast

Daily overview for St. Louis, Missouri

Today
Patchy rain nearby
Patchy rain nearby
30° / 15°
🌧️ 88% chance of rain
💧 Avg. humidity: 66%
💨 Max wind: 32 km/h
🌧️ Total precip: 0.7 mm
☀️ UV Index: 1.5
🌅 Sunrise: 06:29 AM
🌇 Sunset: 07:35 PM
🌙 Waning Crescent
🌑 Moon: 33% lit
Mon, Apr 13
Thundery outbreaks in nearby
Thundery outbreaks in nearby
27° / 18°
🌧️ 0% chance of rain
💧 Avg. humidity: 78%
💨 Max wind: 28.4 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.9
🌅 Sunrise: 06:27 AM
🌇 Sunset: 07:36 PM
🌙 Waning Crescent
🌑 Moon: 23% lit
Tue, Apr 14
Thundery outbreaks in nearby
Thundery outbreaks in nearby
26° / 21°
🌧️ 0% chance of rain
💧 Avg. humidity: 76%
💨 Max wind: 27.7 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 2
🌅 Sunrise: 06:26 AM
🌇 Sunset: 07:37 PM
🌙 Waning Crescent
🌑 Moon: 15% lit

Best Time to Visit St. Louis

Plan your trip to St. Louis, United States around the most favorable weather conditions.

Peak Season
June – September
Warm, dry summers — ideal for outdoor activities.
Shoulder Season
April – May, October
Fewer crowds, moderate prices, mild weather.
Off Season
November – March
Cooler temperatures; some regions may experience rain or snow.
← Back to St. Louis 🗓 View Holidays 2026

Frequently Asked Questions

What is the current weather in St. Louis?
Current conditions in St. Louis: Partly cloudy, temperature 24°C, humidity 47%.
What is the best time to visit St. Louis?
The best time to visit St. Louis is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in St. Louis?
St. Louis is located at approximately 38.6° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in St. Louis?
The wettest period in St. Louis is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to St. Louis?
For visits to St. Louis during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is St. Louis in?
St. Louis is located in United States, in the state of Missouri.
What are the public holidays in St. Louis in 2026?
View the 2026 public holidays for St. Louis on our Holidays page.
What are the GPS coordinates used for the weather forecast in St. Louis?
The weather forecast for St. Louis uses coordinates 38.628, -90.191.