Live Weather & Forecast

Weather in Saint Louis

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

Flag of United States
Partly cloudy
24°C
Feels like 26°C
75°F / Feels 78°F
Partly cloudy
Saint Louis, Missouri
🌞 Daytime
Updated: 2026-04-15 10:30
💧
Humidity
58%
💨
Wind
20.2 km/h S
🌬️
Wind Gust
25.8 km/h
🌡️
Pressure
1013 mb
👁️
Visibility
16 km
☀️
UV Index
1.9 (Low)
🌧️
Precipitation
0.06 mm
☁️
Cloud Cover
75%
💦
Dew Point
16.1°C
🌐
Wind Degree
190°

Air Quality Index

US EPA: Good UK DEFRA: Low (1)
CO
161.9 μg/m³
NO₂
3.7 μg/m³
O₃
100 μg/m³
SO₂
2.7 μg/m³
PM 2.5
6.9 μg/m³
PM 10
7.3 μg/m³

Weather Alerts 4

Met · Severe · Immediate
Flood Warning issued April 14 at 11:11AM CDT until April 19 at 1:00AM CDT by NWS St Louis MO

...The Flood Warning is extended for the following rivers in Illinois...Missouri... Mississippi River at Clarksville. Mississippi River at Louisiana. ...The Flood Warning continues for the following rivers in Illinois...Missouri... Mississippi River at Saverton. Mississippi River at Hannibal. Mississippi River at Winfield. River forecasts are based on observed precipitation and forecast pre...

Motorists should not attempt to drive around barricades or drive cars through flooded areas. Rainfall heavier than forecast could cause river levels to rise even higher than predicted. The National Weather Service will monitor this developing situation and issue follow up statements as conditions...

Effective: 2026-04-14T11:11:00-05:00  ·  Expires: 2026-04-15T23:15:00-05:00
Met · Severe · Immediate
Flood Warning issued April 14 at 11:11AM CDT until April 21 at 7:00AM CDT by NWS St Louis MO

...The Flood Warning is extended for the following rivers in Illinois...Missouri... Mississippi River at Clarksville. Mississippi River at Louisiana. ...The Flood Warning continues for the following rivers in Illinois...Missouri... Mississippi River at Saverton. Mississippi River at Hannibal. Mississippi River at Winfield. River forecasts are based on observed precipitation and forecast pre...

Motorists should not attempt to drive around barricades or drive cars through flooded areas. Rainfall heavier than forecast could cause river levels to rise even higher than predicted. The National Weather Service will monitor this developing situation and issue follow up statements as conditions...

Effective: 2026-04-14T11:11:00-05:00  ·  Expires: 2026-04-15T23:15:00-05:00
Met · Severe · Immediate
Flood Warning issued April 14 at 9:26PM CDT until April 21 at 1:00AM CDT by NWS St Louis MO

...The Flood Warning continues for the following rivers in Illinois...Missouri... Mississippi River at Clarksville. Mississippi River at Louisiana. Mississippi River at Hannibal. Mississippi River at Saverton. ...The Flood Warning is extended for the following rivers in Illinois...Missouri... Mississippi River at Winfield. River forecasts are based on observed precipitation and forecast pre...

Motorists should not attempt to drive around barricades or drive cars through flooded areas. Rainfall heavier than forecast could cause river levels to rise even higher than predicted. The National Weather Service will monitor this developing situation and issue follow up statements as conditions...

Effective: 2026-04-14T21:26:00-05:00  ·  Expires: 2026-04-16T09:30:00-05:00
Met · Severe · Immediate
Flood Warning issued April 14 at 9:26PM CDT until April 19 at 1:00AM CDT by NWS St Louis MO

...The Flood Warning continues for the following rivers in Illinois...Missouri... Mississippi River at Clarksville. Mississippi River at Louisiana. Mississippi River at Hannibal. Mississippi River at Saverton. ...The Flood Warning is extended for the following rivers in Illinois...Missouri... Mississippi River at Winfield. River forecasts are based on observed precipitation and forecast pre...

Motorists should not attempt to drive around barricades or drive cars through flooded areas. Rainfall heavier than forecast could cause river levels to rise even higher than predicted. The National Weather Service will monitor this developing situation and issue follow up statements as conditions...

Effective: 2026-04-14T21:26:00-05:00  ·  Expires: 2026-04-16T09:30:00-05:00

Today's Hourly Forecast

24-hour breakdown for Saint Louis, Missouri

12 AM
Clear
23°
Clear
💧 71% 💨 21.2 km/h
1 AM
Clear
23°
Clear
💧 70% 💨 19.8 km/h
2 AM
Clear
23°
Clear
💧 68% 💨 15.8 km/h
3 AM
Clear
23°
Clear
💧 68% 💨 22 km/h
4 AM
Clear
23°
Clear
💧 68% 💨 19.1 km/h
5 AM
Clear
22°
Clear
💧 69% 💨 16.9 km/h
6 AM
Patchy rain nearby
22°
Patchy rain nearby
💧 71% 💨 15.1 km/h 🌧️ 100%
7 AM
Sunny
23°
Sunny
💧 72% 💨 15.1 km/h
8 AM
Sunny
23°
Sunny
💧 71% 💨 14.8 km/h
9 AM
Sunny
23°
Sunny
💧 61% 💨 16.2 km/h
10 AM
Partly cloudy
24°
Partly cloudy
💧 58% 💨 20.2 km/h 🌧️ 100%
11 AM
Patchy rain nearby
23°
Patchy rain nearby
💧 83% 💨 22 km/h 🌧️ 100%
12 PM
Patchy rain nearby
26°
Patchy rain nearby
💧 77% 💨 21.6 km/h 🌧️ 100%
1 PM
Sunny
27°
Sunny
💧 69% 💨 21.6 km/h
2 PM
Partly Cloudy
28°
Partly Cloudy
💧 60% 💨 22.7 km/h
3 PM
Sunny
27°
Sunny
💧 57% 💨 22.3 km/h
4 PM
Partly Cloudy
26°
Partly Cloudy
💧 58% 💨 23 km/h
5 PM
Light rain
25°
Light rain
💧 78% 💨 18.7 km/h 🌧️ 100%
6 PM
Moderate or heavy rain shower
23°
Moderate or heavy rain shower
💧 74% 💨 20.9 km/h 🌧️ 100%
7 PM
Moderate rain at times
21°
Moderate rain at times
💧 88% 💨 18.7 km/h 🌧️ 100%
8 PM
Moderate rain at times
20°
Moderate rain at times
💧 93% 💨 17.6 km/h 🌧️ 100%
9 PM
Patchy rain nearby
19°
Patchy rain nearby
💧 92% 💨 16.2 km/h 🌧️ 100%
10 PM
Patchy rain nearby
18°
Patchy rain nearby
💧 92% 💨 19.1 km/h 🌧️ 100%
11 PM
Clear
18°
Clear
💧 92% 💨 18.7 km/h

3-Day Forecast

Daily overview for Saint Louis, Missouri

Today
Moderate rain
Moderate rain
28° / 18°
🌧️ 80% chance of rain
💧 Avg. humidity: 74%
💨 Max wind: 23 km/h
🌧️ Total precip: 19.5 mm
☀️ UV Index: 1.1
🌅 Sunrise: 06:24 AM
🌇 Sunset: 07:38 PM
🌙 Waning Crescent
🌑 Moon: 8% lit
Thu, Apr 16
Moderate rain
Moderate rain
28° / 15°
🌧️ 77% chance of rain
💧 Avg. humidity: 69%
💨 Max wind: 27 km/h
🌧️ Total precip: 6.08 mm
☀️ UV Index: 1.9
🌅 Sunrise: 06:23 AM
🌇 Sunset: 07:39 PM
🌙 Waning Crescent
🌑 Moon: 3% lit
Fri, Apr 17
Partly Cloudy
Partly Cloudy
29° / 15°
🌧️ 0% chance of rain
💧 Avg. humidity: 70%
💨 Max wind: 31 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.9
🌅 Sunrise: 06:21 AM
🌇 Sunset: 07:40 PM
🌙 New Moon
🌑 Moon: 0% lit

Best Time to Visit Saint Louis

Plan your trip to Saint 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 Saint Louis 🗓 View Holidays 2026

Frequently Asked Questions

What is the current weather in Saint Louis?
Current conditions in Saint Louis: Partly cloudy, temperature 24°C, humidity 58%.
What is the best time to visit Saint Louis?
The best time to visit Saint Louis is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Saint Louis?
Saint 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 Saint Louis?
The wettest period in Saint Louis is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Saint Louis?
For visits to Saint Louis during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is Saint Louis in?
Saint Louis is located in United States, in the state of Missouri.
What are the public holidays in Saint Louis in 2026?
View the 2026 public holidays for Saint Louis on our Holidays page.
What are the GPS coordinates used for the weather forecast in Saint Louis?
The weather forecast for Saint Louis uses coordinates 38.628, -90.191.