Saint Charles, MN Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Saint Charles, MN in one place.
Sunny, with a high near 76. Southeast wind 7 to 15 mph, with gusts as high as 23 mph.
Local Weather Overview
This forecast page for Saint Charles, MN 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: Apr 20, 2026 10:18 PM CDT.
The active forecast window currently covers Apr 22 to Apr 27, 2026 for Saint Charles, MN.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 22 to Apr 27, 2026
- Latest sync
- Apr 20, 2026 10:18 PM CDT
- Forecast office
- ARX
- Source
- NOAA / NWS
Daily Outlook
This Week in Saint Charles
Wednesday looks like the warmest upcoming period in Saint Charles at 76 degrees F.
Saturday Night is the coolest period ahead with temperatures near 37 degrees F.
The strongest winds are forecast for Thursday at about 18 to 24 mph S.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 20, 2026 10:18 PM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- ARX
- Radar station
- KARX
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. South wind 15 to 18 mph, with gusts as high as 26 mph.
A chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 72. South wind 18 to 24 mph, with gusts as high as 35 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
Showers and thunderstorms. Mostly cloudy, with a low around 48. Southwest wind 16 to 21 mph, with gusts as high as 31 mph. Chance of precipitation is 80%.
A chance of rain showers before 1pm. Partly sunny, with a high near 59. Northwest wind around 16 mph. Chance of precipitation is 40%.
Partly cloudy, with a low around 39. Northwest wind around 13 mph.
Sunny, with a high near 55. Northwest wind 10 to 14 mph.
Partly cloudy, with a low around 37. Northwest wind 7 to 12 mph.
A slight chance of rain showers after 1pm. Mostly sunny, with a high near 56. Northwest wind around 10 mph. Chance of precipitation is 20%.
A chance of rain showers. Mostly cloudy, with a low around 39. Northeast wind around 10 mph. Chance of precipitation is 30%.
A chance of rain showers. Partly sunny, with a high near 56. North wind 9 to 13 mph. Chance of precipitation is 30%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Apr 22
|
Sunny
|
76°F |
7 to 15 mph
SE
|
|
Wednesday Night
Apr 22
|
Partly Cloudy
|
59°F |
15 to 18 mph
S
|
|
Thursday
Apr 23
|
Partly Sunny then Chance Showers And Thunderstorms
|
72°F |
18 to 24 mph
S
|
|
Thursday Night
Apr 23
|
Showers And Thunderstorms
|
48°F |
16 to 21 mph
SW
|
|
Friday
Apr 24
|
Chance Rain Showers
|
59°F |
16 mph
NW
|
|
Friday Night
Apr 24
|
Partly Cloudy
|
39°F |
13 mph
NW
|
|
Saturday
Apr 25
|
Sunny
|
55°F |
10 to 14 mph
NW
|
|
Saturday Night
Apr 25
|
Partly Cloudy
|
37°F |
7 to 12 mph
NW
|
|
Sunday
Apr 26
|
Mostly Sunny then Slight Chance Rain Showers
|
56°F |
10 mph
NW
|
|
Sunday Night
Apr 26
|
Chance Rain Showers
|
39°F |
10 mph
NE
|
|
Monday
Apr 27
|
Chance Rain Showers
|
56°F |
9 to 13 mph
N
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Saint Charles.