St. Charles, Idaho 7 Day & Night Forecast & Conditions

Current Conditions

Maps Alerts Climate Index

Overcast 64°F 18°C	Observed at: St. Charles, ID	Elevation: 4000 ft | 1219 m
	Last Updated: July 29, 4:15 AM Timezone: GMT -5/-4
	Sky Conditions: Overcast	Temperature: 64°F | 18°C
	Pressure: 23.31 in | 789.2 mb	Dewpoint: 39°F | 4°C
	Humidity: 40%	Wind: S 8 mph | S 13 kph
	Feels Like: 58°F | 14°C	Visibility: 89.9 mi | 144.7 km
	Lat/Long: 42.1147 | -111.4602	Sunrise: 6:16 AM   Sunset: 8:48 PM

7 Day Graphical Forecast

Valid: 4:21 AM 7/29/2026

Tonight Light Showers 57 °F 26% Chance Precipitation Thursday Heavy Drizzle 84 |55 °F 8% Chance Precipitation Friday Clear 91 |57 °F 0% Chance Precipitation Saturday Clear 94 |62 °F 0% Chance Precipitation Sunday Overcast 94 |62 °F 0% Chance Precipitation Monday Partly Cloudy 90 |60 °F 0% Chance Precipitation Tuesday Clear 84 |52 °F 1% Chance Precipitation

7 Hour Graphical Forecast

Valid: 4:21 AM 7/29/2026

4 AM Overcast 65 °F 2% Chance Precipitation

5 AM Overcast 65 °F 5% Chance Precipitation

6 AM Overcast 62 °F 8% Chance Precipitation

7 AM Overcast 64 °F 10% Chance Precipitation

8 AM Overcast 70 °F 12% Chance Precipitation

9 AM Mostly Clear 76 °F 11% Chance Precipitation

10 AM Mostly Clear 76 °F 8% Chance Precipitation

7 Day Textual Forecast - with QPF, Max Wind, Humidity, Snowfall & UV Index

7 Day & Night Weather Forecast for St. Charles, ID - (Fahrenheit & Celsius) Valid: 4:21 AM 7/29/2026 Tonight Light Showers with a low around 57°F [14°C]. SE wind to around 30 mph [49 kph], with gusts to near 41 mph [66 kph]. Chance of precipitation 26% with QPF of 0.37 in [9.4 mm]. Thursday Heavy Drizzle with a high near 84°F [29°C]. NNW wind to around 10 mph [17 kph], with gusts to near 12 mph [19 kph]. Dewpoint near 39°F [4°C] with humidity of 82%. Pressure around 23.31 in [789.2 mb]. UV Index: 7.95. Chance of precipitation 8% with QPF of 0.04 in [1.1 mm]. Thursday Night Heavy Drizzle with a low around 55°F [13°C]. NNW wind to around 10 mph [17 kph], with gusts to near 12 mph [19 kph]. Chance of precipitation 8% with QPF of 0.04 in [1.1 mm]. Friday Clear with a high near 91°F [33°C]. WSW wind to around 19 mph [31 kph], with gusts to near 21 mph [34 kph]. Dewpoint near 39°F [4°C] with humidity of 58%. Pressure around 23.31 in [789.2 mb]. UV Index: 8.25. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Friday Night Clear with a low around 57°F [14°C]. WSW wind to around 19 mph [31 kph], with gusts to near 21 mph [34 kph]. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Saturday Clear with a high near 94°F [35°C]. WSW wind to around 19 mph [30 kph], with gusts to near 19 mph [31 kph]. Dewpoint near 39°F [4°C] with humidity of 22%. Pressure around 23.31 in [789.2 mb]. UV Index: 8.35. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Saturday Night Clear with a low around 62°F [17°C]. WSW wind to around 19 mph [30 kph], with gusts to near 19 mph [31 kph]. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Sunday Overcast with a high near 94°F [34°C]. WSW wind to around 20 mph [31 kph], with gusts to near 22 mph [35 kph]. Dewpoint near 39°F [4°C] with humidity of 21%. Pressure around 23.31 in [789.2 mb]. UV Index: 8.3. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Sunday Night Overcast with a low around 62°F [16°C]. WSW wind to around 20 mph [31 kph], with gusts to near 22 mph [35 kph]. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Monday Partly Cloudy with a high near 90°F [32°C]. WNW wind to around 20 mph [32 kph], with gusts to near 30 mph [48 kph]. Dewpoint near 39°F [4°C] with humidity of 26%. Pressure around 23.31 in [789.2 mb]. UV Index: 8.05. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Monday Night Partly Cloudy with a low around 60°F [16°C]. WNW wind to around 20 mph [32 kph], with gusts to near 30 mph [48 kph]. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Tuesday Clear with a high near 84°F [29°C]. WNW wind to around 15 mph [25 kph], with gusts to near 16 mph [26 kph]. Dewpoint near 39°F [4°C] with humidity of 21%. Pressure around 23.31 in [789.2 mb]. UV Index: 7.95. Chance of precipitation 1% with QPF of 0.00 in [0.0 mm]. Tuesday Night Clear with a low around 52°F [11°C]. WNW wind to around 15 mph [25 kph], with gusts to near 16 mph [26 kph]. Chance of precipitation 1% with QPF of 0.00 in [0.0 mm].

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7 Day and Night - QPF Forecast for St. Charles, ID

Tonight: 9.4 mm | 0.37 in

Thursday: 1.1 mm | 0.04 in

Thursday Night: 1.1 mm | 0.04 in

Friday: 0.0 mm | 0.00 in

Friday Night: 0.0 mm | 0.00 in

Saturday: 0.0 mm | 0.00 in

Saturday Night: 0.0 mm | 0.00 in

Sunday: 0.0 mm | 0.00 in

Sunday Night: 0.0 mm | 0.00 in

Monday: 0.0 mm | 0.00 in

Monday Night: 0.0 mm | 0.00 in

Tuesday: 0.0 mm | 0.00 in

Tuesday Night: 0.0 mm | 0.00 in

7 Day and Night - Maximum Wind Speed Forecast for St. Charles, ID

Tonight: SE @ 49 kph | 30 mph

Thursday: NNW @ 17 kph | 10 mph

Thursday Night: NNW @ 17 kph | 10 mph

Friday: WSW @ 31 kph | 19 mph

Friday Night: WSW @ 31 kph | 19 mph

Saturday: WSW @ 30 kph | 19 mph

Saturday Night: WSW @ 30 kph | 19 mph

Sunday: WSW @ 31 kph | 20 mph

Sunday Night: WSW @ 31 kph | 20 mph

Monday: WNW @ 32 kph | 20 mph

Monday Night: WNW @ 32 kph | 20 mph

Tuesday: WNW @ 25 kph | 15 mph

Tuesday Night: WNW @ 25 kph | 15 mph

7 Day and Night - Maximum Humidity Forecast for St. Charles, ID

Tonight: 86 %

Thursday: 82 %

Thursday Night: 82 %

Friday: 58 %

Friday Night: 58 %

Saturday: 22 %

Saturday Night: 22 %

Sunday: 21 %

Sunday Night: 21 %

Monday: 26 %

Monday Night: 26 %

Tuesday: 21 %

Tuesday Night: 21 %

7 Day and Night - Snowfall Totals Forecast for St. Charles, ID

Tonight: 0.0 cm | 0.00 in

Thursday: 0.0 cm | 0.00 in

Thursday Night: 0.0 cm | 0.00 in

Friday: 0.0 cm | 0.00 in

Friday Night: 0.0 cm | 0.00 in

Saturday: 0.0 cm | 0.00 in

Saturday Night: 0.0 cm | 0.00 in

Sunday: 0.0 cm | 0.00 in

Sunday Night: 0.0 cm | 0.00 in

Monday: 0.0 cm | 0.00 in

Monday Night: 0.0 cm | 0.00 in

Tuesday: 0.0 cm | 0.00 in

Tuesday Night: 0.0 cm | 0.00 in

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