Weather forecast for 10 days
Saint Charles, SD

Weather forecast for the weekend

Saturday, Jun 21.

Sunny
5:55 am

9:21 pm
CDT
Sunny
100°F / 77°F
  • Wind: 14mph SSW
  • Humidity: 35%
  • Precip. probability: 1%
  • Precipitation: 0"
  • UV index: 8
On Saturday, June 21, sunshine will likely continue with scattered clouds at most.
Rainfall is not predicted. The temperature is forecasted to vary between a maximum of a fiery hot 100.4°F and a minimum of a temperate 77°F.
On Saturday, the high of 100.4°F will be higher and more in line with July's typical maximum of 85.1°F than June's 78.4°F.
Sunrise will be at 5:55 am and sunset at 9:21 pm; the daylight will last for 15h and 26min.

Sunday, Jun 22.

Sunny
5:55 am

9:21 pm
CDT
Sunny
88°F / 59°F
  • Wind: 17mph W
  • Humidity: 45%
  • Precip. probability: 3%
  • Precipitation: 0.28"
  • UV index: 8
On Sunday, in Saint Charles, expect consistent sunshine and open skies.
The highest daytime temperature will touch a tropical 87.8°F, creating a significant contrast with the forecasted nighttime low of a mild 59°F.
On Sunday, the higher temperature fits better with the expected maximum in July than June.
Sunrise will be at 5:55 am and sunset at 9:21 pm; the daylight will last for 15h and 26min.

Frequently asked questions

What is the weather forecast for Saint Charles for Saturday?
On Saturday, sunshine will likely continue with scattered clouds at most.
Will it rain on Saturday?
No, it will not rain on Saturday.
What will be the maximum temperature on Saturday?
On Saturday, the maximum temperature will be 100.4°F, while the minimum temperature will be 77°F.
What is the weather forecast for Saint Charles for Sunday?
On Sunday, skies will stay clear and sunny.
What will be the highest temperature on Sunday?
On Sunday, the highest temperature will be 87.8°F, while the lowest temperature will be 59°F.
What is the weather forecast for Saint Charles for the next ten days?
In Saint Charles, a combination of stormy, dry and sunny and rainy weather is predicted for the next ten days.
Will it rain in the next ten days?
Rainfall is predicted for Tuesday, Wednesday, Monday through next Thursday in Saint Charles. With moderate precipitation of 0.71", next Wednesday will be the day with the most rainfall.
How hot will it be in the next ten days?
The maximum temperature will range between 69.8°F and 100.4°F, as the minimum temperature will range between 55.4°F and 77°F.
Combining with the humidity, the maximum feel-like temperature will range between 69.8°F and 114.8°F.
What will be the hottest and the coldest days in Saint Charles?
With a maximum temperature of 100.4°F, Friday and Saturday will be the hottest days. The coldest day will be Monday, with a maximum of 69.8°F.

Long-term weather forecast

TueJun 17.
  • min.
  • 59°F
Scattered Thunderstorms
Scattered Thunderstorms
  • Wind: 9mph NNW
  • Humidity: 80%
  • UV index: 0
  • Precip. probability: 52%
  • Precipitation: 0.04"
  • 5:54 am 9:20 pm CDT
WedJun 18.
  • 81°F
  • 59°F
AM Thunderstorms
AM Thunderstorms
  • Wind: 7mph NNW
  • Humidity: 64%
  • UV index: 8
  • Precip. probability: 35%
  • Precipitation: 0.04"
  • 5:54 am 9:20 pm CDT
ThuJun 19.
  • 93°F
  • 72°F
Sunny
Sunny
  • Wind: 17mph SSW
  • Humidity: 47%
  • UV index: 8
  • Precip. probability: 5%
  • Precipitation: 0"
  • 5:55 am 9:20 pm CDT
FriJun 20.
  • 100°F
  • 77°F
Sunny
Sunny
  • Wind: 17mph S
  • Humidity: 46%
  • UV index: 8
  • Precip. probability: 2%
  • Precipitation: 0"
  • 5:55 am 9:20 pm CDT
SatJun 21.
  • 100°F
  • 77°F
Sunny
Sunny
  • Wind: 14mph SSW
  • Humidity: 35%
  • UV index: 8
  • Precip. probability: 1%
  • Precipitation: 0"
  • 5:55 am 9:21 pm CDT
SunJun 22.
  • 88°F
  • 59°F
Sunny
Sunny
  • Wind: 17mph W
  • Humidity: 45%
  • UV index: 8
  • Precip. probability: 3%
  • Precipitation: 0.28"
  • 5:55 am 9:21 pm CDT
MonJun 23.
  • 70°F
  • 55°F
AM Showers
AM Showers
  • Wind: 12mph N
  • Humidity: 68%
  • UV index: 5
  • Precip. probability: 39%
  • Precipitation: 0.2"
  • 5:55 am 9:21 pm CDT
TueJun 24.
  • 72°F
  • 57°F
Scattered Thunderstorms
Scattered Thunderstorms
  • Wind: 10mph NE
  • Humidity: 73%
  • UV index: 4
  • Precip. probability: 46%
  • Precipitation: 0.47"
  • 5:56 am 9:21 pm CDT
WedJun 25.
  • 73°F
  • 61°F
Scattered Thunderstorms
Scattered Thunderstorms
  • Wind: 9mph E
  • Humidity: 78%
  • UV index: 5
  • Precip. probability: 43%
  • Precipitation: 0.71"
  • 5:56 am 9:21 pm CDT
ThuJun 26.
  • 79°F
  • 59°F
AM Thunderstorms
AM Thunderstorms
  • Wind: 9mph NW
  • Humidity: 67%
  • UV index: 8
  • Precip. probability: 40%
  • Precipitation: 0.12"
  • 5:57 am 9:21 pm CDT
storm-filled, mostly clear and damp weather is anticipated.
Rainfall is anticipated on Tuesday, Wednesday, Monday through next Thursday.
The temperature will vary considerably in the next ten days. Forecast highs will fluctuate between 69.8°F and 100.4°F, while the lowest nightly temperature differences will be also quite pronounced, as the minimum temperature is expected to range between 55.4°F and 77°F.
The hottest days in Saint Charles will be Friday and Saturday, with a maximum of 100.4°F; the coldest day will be Monday, with a maximum of 69.8°F.
Including the humidity's impact, the maximum feel-like temperature may increase substantially and range between 69.8°F and a life-threatening 114.8°F.
Updated: Jun 17, 2025 @ 20:44:40 UTC
Published by: Weather U.S. | About Us
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