Fort Saint Charles, MN Weather Forecast
Local 7-day forecast
Slight Chance Rain Showers then Mostly Cloudy
Track current conditions, temperature changes, wind, and the full daily outlook for Fort Saint Charles, MN in one place.
A slight chance of rain showers between 7am and 8am. Mostly cloudy. High near 64, with temperatures falling to around 60 in the afternoon. West wind 17 to 23 mph, with gusts as high as 39 mph. Chance of precipitation is 20%.
Local Weather Overview
This forecast page for Fort 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: Sep 15, 2026 8:40 AM CDT.
The active forecast window currently covers Sep 15 to Sep 21, 2026 for Fort Saint Charles, MN.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 15 to Sep 21, 2026
- Latest sync
- Sep 15, 2026 8:40 AM CDT
- Forecast office
- FGF
- Source
- NOAA / NWS
Daily Outlook
This Week in Fort Saint Charles
Monday looks like the warmest upcoming period in Fort Saint Charles at 71 degrees F.
Tonight is the coolest period ahead with temperatures near 43 degrees F.
The strongest winds are forecast for Today at about 17 to 23 mph W.
Precipitation is mentioned in 8 upcoming forecast periods.
Forecast Details
- Last updated
- Sep 15, 2026 8:40 AM CDT
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- FGF
- Radar station
- KMVX
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 43. Northwest wind 0 to 16 mph.
A chance of rain showers after 1pm. Partly sunny. High near 63, with temperatures falling to around 60 in the afternoon. South southeast wind 0 to 5 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
Rain showers likely before 1am. Mostly cloudy, with a low around 47. South wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.
Mostly sunny, with a high near 65. North northwest wind around 3 mph. New rainfall amounts less than a tenth of an inch possible.
Partly cloudy, with a low around 49. East northeast wind around 5 mph.
A slight chance of rain showers after 1pm. Partly sunny, with a high near 67. Southeast wind around 7 mph. Chance of precipitation is 20%.
A chance of rain showers. Mostly cloudy, with a low around 52. East southeast wind around 6 mph. Chance of precipitation is 50%.
A chance of rain showers before 1pm, then a slight chance of showers and thunderstorms. Mostly cloudy, with a high near 67. Northeast wind around 6 mph. Chance of precipitation is 50%.
A slight chance of showers and thunderstorms before 7pm. Mostly cloudy, with a low around 49. Northeast wind around 5 mph. Chance of precipitation is 20%.
Partly sunny, with a high near 68. East southeast wind around 3 mph.
Partly cloudy, with a low around 49. South southwest wind around 2 mph.
Mostly sunny, with a high near 71. South wind around 5 mph.
Mostly clear, with a low around 52. South wind 2 to 6 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Today
Sep 15
|
Slight Chance Rain Showers then Mostly Cloudy
|
64°F |
17 to 23 mph
W
|
|
Tonight
Sep 15
|
Partly Cloudy
|
43°F |
0 to 16 mph
NW
|
|
Wednesday
Sep 16
|
Partly Sunny then Chance Rain Showers
|
63°F |
0 to 5 mph
SSE
|
|
Wednesday Night
Sep 16
|
Rain Showers Likely
|
47°F |
5 mph
S
|
|
Thursday
Sep 17
|
Mostly Sunny
|
65°F |
3 mph
NNW
|
|
Thursday Night
Sep 17
|
Partly Cloudy
|
49°F |
5 mph
ENE
|
|
Friday
Sep 18
|
Partly Sunny then Slight Chance Rain Showers
|
67°F |
7 mph
SE
|
|
Friday Night
Sep 18
|
Chance Rain Showers
|
52°F |
6 mph
ESE
|
|
Saturday
Sep 19
|
Chance Rain Showers then Slight Chance Showers And Thunderstorms
|
67°F |
6 mph
NE
|
|
Saturday Night
Sep 19
|
Slight Chance Showers And Thunderstorms then Mostly Cloudy
|
49°F |
5 mph
NE
|
|
Sunday
Sep 20
|
Partly Sunny
|
68°F |
3 mph
ESE
|
|
Sunday Night
Sep 20
|
Partly Cloudy
|
49°F |
2 mph
SSW
|
|
Monday
Sep 21
|
Mostly Sunny
|
71°F |
5 mph
S
|
|
Monday Night
Sep 21
|
Mostly Clear
|
52°F |
2 to 6 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Fort Saint Charles.