Saint Charles, ID Weather Forecast
Local 7-day forecast
Light Snow Likely then Snow Showers
Track current conditions, temperature changes, wind, and the full daily outlook for Saint Charles, ID in one place.
Snow likely before noon, then snow showers and a slight chance of thunderstorms. Mostly cloudy, with a high near 40. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Local Weather Overview
This forecast page for Saint Charles, ID 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 19, 2026 4:14 AM MDT.
The active forecast window currently covers Apr 22 to Apr 25, 2026 for Saint Charles, ID.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 22 to Apr 25, 2026
- Latest sync
- Apr 19, 2026 4:14 AM MDT
- Forecast office
- PIH
- Source
- NOAA / NWS
Daily Outlook
This Week in Saint Charles
Saturday looks like the warmest upcoming period in Saint Charles at 41 degrees F.
Friday Night is the coolest period ahead with temperatures near 25 degrees F.
The strongest winds are forecast for Wednesday at about 15 to 24 mph SW.
Precipitation is mentioned in 7 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 19, 2026 4:14 AM MDT
- Coverage
- 4 days
- Time zone
- America/Boise
- Forecast office
- PIH
- Radar station
- KMTX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Snow. Mostly cloudy, with a low around 29. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.
Snow. Cloudy, with a high near 33. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
A chance of snow. Mostly cloudy, with a low around 26. Chance of precipitation is 40%. New snow accumulation of less than half an inch possible.
A chance of snow. Partly sunny, with a high near 36. Chance of precipitation is 40%. New snow accumulation of less than half an inch possible.
A slight chance of snow. Partly cloudy, with a low around 25. Chance of precipitation is 20%.
A chance of snow after noon. Mostly sunny, with a high near 41. Chance of precipitation is 30%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Apr 22
|
Light Snow Likely then Snow Showers
|
40°F |
15 to 24 mph
SW
|
|
Wednesday Night
Apr 22
|
Snow
|
29°F |
17 to 23 mph
WSW
|
|
Thursday
Apr 23
|
Light Snow
|
33°F |
12 to 16 mph
WSW
|
|
Thursday Night
Apr 23
|
Chance Light Snow
|
26°F |
7 to 13 mph
W
|
|
Friday
Apr 24
|
Chance Light Snow
|
36°F |
7 to 10 mph
WSW
|
|
Friday Night
Apr 24
|
Slight Chance Light Snow
|
25°F |
6 to 13 mph
WSW
|
|
Saturday
Apr 25
|
Mostly Sunny then Chance Light Snow
|
41°F |
5 to 9 mph
W
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Saint Charles.