Live Weather & Forecast

Weather in Saint Louis

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

Flag of United States
Light rain
18°C
Feels like 18°C
64°F / Feels 64°F
Light rain
Saint Louis, Michigan
🌙 Nighttime
Updated: 2026-04-13 00:00
💧
Humidity
83%
💨
Wind
28.8 km/h SW
🌬️
Wind Gust
43.7 km/h
🌡️
Pressure
1009 mb
👁️
Visibility
16 km
☀️
UV Index
0 (Low)
🌧️
Precipitation
0.57 mm
☁️
Cloud Cover
100%
💦
Dew Point
13.7°C
🌐
Wind Degree
217°

Air Quality Index

US EPA: Good UK DEFRA: Low (1)
CO
149.9 μg/m³
NO₂
3.3 μg/m³
O₃
92 μg/m³
SO₂
2.5 μg/m³
PM 2.5
7.2 μg/m³
PM 10
7.5 μg/m³

Weather Alerts 2

Met · Severe · Future
Flood Watch issued April 12 at 1:40PM EDT until April 15 at 8:00AM EDT by NWS Grand Rapids MI

* WHAT...Flooding caused by excessive rainfall is possible. * WHERE...Portions of central and west central Michigan, including the following counties, in central Michigan, Clare, Mecosta and Osceola. In west central Michigan, Lake, Mason, Newaygo and Oceana. * WHEN...Through Wednesday morning. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying an...

You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop.

Met · Severe · Future
Flood Watch issued April 12 at 1:14PM EDT until April 15 at 8:00AM EDT by NWS Gaylord MI

Periods of rain will continue through tonight. Some of this rain may be heavy at times, especially during any thunderstorms. Shower and thunderstorm activity should taper into Monday. More showers and storms return later Monday night, lasting through Tuesday night, with heavy rainfall once again possible. possible. * WHAT...Flooding caused by rain and snowmelt continues to be possible. * WHERE.....

You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop.

Today's Hourly Forecast

24-hour breakdown for Saint Louis, Michigan

12 AM
Patchy rain nearby
19°
Patchy rain nearby
💧 56% 💨 29.2 km/h 🌧️ 83%
1 AM
Light rain
18°
Light rain
💧 83% 💨 28.8 km/h 🌧️ 100%
2 AM
Patchy rain nearby
17°
Patchy rain nearby
💧 90% 💨 22.3 km/h 🌧️ 100%
3 AM
Light rain
16°
Light rain
💧 92% 💨 28.8 km/h 🌧️ 100%
4 AM
Light rain
16°
Light rain
💧 93% 💨 29.5 km/h 🌧️ 100%
5 AM
Light drizzle
16°
Light drizzle
💧 94% 💨 33.8 km/h 🌧️ 100%
6 AM
Patchy rain nearby
15°
Patchy rain nearby
💧 92% 💨 31 km/h 🌧️ 100%
7 AM
Patchy rain nearby
15°
Patchy rain nearby
💧 93% 💨 32 km/h 🌧️ 100%
8 AM
Overcast
16°
Overcast
💧 94% 💨 29.9 km/h
9 AM
Overcast
16°
Overcast
💧 93% 💨 28.4 km/h
10 AM
Overcast
16°
Overcast
💧 92% 💨 28.4 km/h
11 AM
Patchy rain nearby
17°
Patchy rain nearby
💧 93% 💨 25.9 km/h 🌧️ 86%
12 PM
Patchy rain nearby
19°
Patchy rain nearby
💧 89% 💨 25.2 km/h 🌧️ 89%
1 PM
Cloudy
20°
Cloudy
💧 82% 💨 24.5 km/h
2 PM
Sunny
21°
Sunny
💧 74% 💨 23.8 km/h
3 PM
Sunny
22°
Sunny
💧 68% 💨 21.2 km/h
4 PM
Cloudy
22°
Cloudy
💧 65% 💨 18.7 km/h
5 PM
Partly Cloudy
22°
Partly Cloudy
💧 64% 💨 16.2 km/h
6 PM
Sunny
22°
Sunny
💧 66% 💨 14.8 km/h
7 PM
Cloudy
21°
Cloudy
💧 72% 💨 11.9 km/h
8 PM
Partly Cloudy
19°
Partly Cloudy
💧 83% 💨 10.8 km/h
9 PM
Clear
18°
Clear
💧 90% 💨 12.6 km/h
10 PM
Thundery outbreaks in nearby
18°
Thundery outbreaks in nearby
💧 93% 💨 14 km/h
11 PM
Mist
18°
Mist
💧 94% 💨 19.1 km/h

3-Day Forecast

Daily overview for Saint Louis, Michigan

Today
Moderate rain
Moderate rain
23° / 15°
🌧️ 89% chance of rain
💧 Avg. humidity: 83%
💨 Max wind: 33.8 km/h
🌧️ Total precip: 5.89 mm
☀️ UV Index: 1.4
🌅 Sunrise: 06:59 AM
🌇 Sunset: 08:19 PM
🌙 Waning Crescent
🌑 Moon: 23% lit
Tue, Apr 14
Patchy rain nearby
Patchy rain nearby
25° / 18°
🌧️ 80% chance of rain
💧 Avg. humidity: 86%
💨 Max wind: 32.8 km/h
🌧️ Total precip: 2.54 mm
☀️ UV Index: 1.4
🌅 Sunrise: 06:57 AM
🌇 Sunset: 08:20 PM
🌙 Waning Crescent
🌑 Moon: 15% lit
Wed, Apr 15
Heavy rain
Heavy rain
21° / 18°
🌧️ 88% chance of rain
💧 Avg. humidity: 93%
💨 Max wind: 20.9 km/h
🌧️ Total precip: 51.35 mm
☀️ UV Index: 0.8
🌅 Sunrise: 06:55 AM
🌇 Sunset: 08:21 PM
🌙 Waning Crescent
🌑 Moon: 8% 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: Light rain, temperature 18°C, humidity 83%.
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 43.4° 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 Michigan.
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 43.4084, -84.6067.