Saint Louis, MI Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Saint Louis, MI in one place.
Sunny, with a high near 88. Southwest wind 5 to 8 mph.
Local Weather Overview
This forecast page for Saint Louis, MI is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: May 24, 2026 1:40 PM EDT.
The active forecast window currently covers May 26 to May 30, 2026 for Saint Louis, MI.
Page Snapshot
- Page focus
- city weather
- Forecast window
- May 26 to May 30, 2026
- Latest sync
- May 24, 2026 1:40 PM EDT
- Forecast office
- GRR
- Source
- NOAA / NWS
Daily Outlook
This Week in Saint Louis
Tuesday looks like the warmest upcoming period in Saint Louis at 88 degrees F.
Friday Night is the coolest period ahead with temperatures near 50 degrees F.
The strongest winds are forecast for Friday Night at about 3 to 13 mph NE.
Precipitation is mentioned in 2 upcoming forecast periods.
Forecast Details
- Last updated
- May 24, 2026 1:40 PM EDT
- Coverage
- 5 days
- Time zone
- America/Detroit
- Forecast office
- GRR
- Radar station
- KGRR
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Partly cloudy, with a low around 59.
A slight chance of rain showers after 2pm. Mostly sunny, with a high near 85.
A slight chance of rain showers before 8pm. Partly cloudy, with a low around 55.
Sunny, with a high near 78.
Mostly clear, with a low around 51.
Sunny, with a high near 75.
Mostly clear, with a low around 50.
Sunny, with a high near 75.
Mostly clear, with a low around 51.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
May 26
|
Sunny
|
88°F |
5 to 8 mph
SW
|
|
Tuesday Night
May 26
|
Partly Cloudy
|
59°F |
2 to 7 mph
SW
|
|
Wednesday
May 27
|
Mostly Sunny then Slight Chance Rain Showers
|
85°F |
2 to 7 mph
NNW
|
|
Wednesday Night
May 27
|
Slight Chance Rain Showers then Partly Cloudy
|
55°F |
3 to 9 mph
NE
|
|
Thursday
May 28
|
Sunny
|
78°F |
5 to 10 mph
NE
|
|
Thursday Night
May 28
|
Mostly Clear
|
51°F |
2 to 12 mph
NE
|
|
Friday
May 29
|
Sunny
|
75°F |
5 to 12 mph
NE
|
|
Friday Night
May 29
|
Mostly Clear
|
50°F |
3 to 13 mph
NE
|
|
Saturday
May 30
|
Sunny
|
75°F |
5 to 12 mph
NE
|
|
Saturday Night
May 30
|
Mostly Clear
|
51°F |
2 to 12 mph
NE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Saint Louis.
