Weather forecast for 10 days
Saint Charles, IA

Weather forecast for the weekend

Saturday, Jun 21.

Sunny / Wind
5:40 am

8:53 pm
CDT
Sunny / Wind
97°F / 77°F
  • Wind: 27mph SSW
  • Humidity: 54%
  • Precip. probability: 3%
  • Precipitation: 0"
  • UV index: 9
Tomorrow, bright skies and windy conditions will continue.
A temperature range of a very hot 96.8°F to a moderately hot 77°F is predicted.
The maximum heat index, which calculates the temperature value influenced by the moisture in the air, is evaluated at a dangerously hot 113°F. Note that heat index values are valued for light wind and location in the shade. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
The maximum temperature will be higher and more in tune with July's average of 83.3°F than with June's.
Sunrise will be at 5:40 am and sunset at 8:53 pm; tomorrow's daylight will last for 15h and 13min.

Sunday, Jun 22.

Sunny / Wind
5:41 am

8:53 pm
CDT
Sunny / Wind
95°F / 75°F
  • Wind: 24mph SSW
  • Humidity: 56%
  • Precip. probability: 4%
  • Precipitation: 0"
  • UV index: 9
On Sunday, in Saint Charles, sunshine will prevail, though winds may remain active.
The expected temperature range extends from a high of a torrid 95°F to a low of a moderately hot 75.2°F.
With a forecast of 95°F, the day’s weather feels closer to July than June.
Sunrise will be at 5:41 am and sunset at 8:53 pm; the daylight will last for 15h and 13min.

Frequently asked questions

What is the weather forecast for Saint Charles for Sunday?
On Sunday, in Saint Charles, sunshine continues, but expect windy stretches at times.
What will be the maximum temperature on Sunday?
On Sunday, the maximum temperature will be 95°F, while the minimum temperature will be 75.2°F.
What is the weather forecast for Saint Charles for the next ten days?
In Saint Charles, a combination of predominantly thunderstorm-prone and occasionally sun-filled and cloudy weather is predicted for the next ten days.
Will it rain in the next ten days?
Rain is forecasted for Monday through Thursday, next Saturday and Sunday in Saint Charles. With moderate precipitation of 0.51", Monday will be the day with the most rainfall.
How hot will it be in the next ten days?
The maximum temperature will range between 84.2°F and 96.8°F, as the minimum temperature will range between 66.2°F and 78.8°F.
Including the humidity's impact, the maximum feel-like temperature will range between 89.6°F and 113°F.
What will be the hottest and the coldest days?
Tomorrow will be the hottest day, with a maximum temperature of 96.8°F. The coldest days will be Thursday and next Sunday, with a maximum of 84.2°F.

Long-term weather forecast

FriJun 20.
  • min.
  • 79°F
Clear / Wind
Clear / Wind
  • Wind: 21mph SSW
  • Humidity: 66%
  • UV index: 0
  • Precip. probability: 4%
  • Precipitation: 0"
  • 5:40 am 8:53 pm CDT
SatJun 21.
  • 97°F
  • 77°F
Sunny / Wind
Sunny / Wind
  • Wind: 27mph SSW
  • Humidity: 54%
  • UV index: 9
  • Precip. probability: 3%
  • Precipitation: 0"
  • 5:40 am 8:53 pm CDT
SunJun 22.
  • 95°F
  • 75°F
Sunny / Wind
Sunny / Wind
  • Wind: 24mph SSW
  • Humidity: 56%
  • UV index: 9
  • Precip. probability: 4%
  • Precipitation: 0"
  • 5:41 am 8:53 pm CDT
MonJun 23.
  • 93°F
  • 68°F
PM Thunderstorms
PM Thunderstorms
  • Wind: 16mph SW
  • Humidity: 57%
  • UV index: 9
  • Precip. probability: 72%
  • Precipitation: 0.51"
  • 5:41 am 8:53 pm CDT
TueJun 24.
  • 86°F
  • 70°F
Scattered Thunderstorms
Scattered Thunderstorms
  • Wind: 7mph S
  • Humidity: 74%
  • UV index: 8
  • Precip. probability: 38%
  • Precipitation: 0.2"
  • 5:41 am 8:54 pm CDT
WedJun 25.
  • 88°F
  • 70°F
Scattered Thunderstorms
Scattered Thunderstorms
  • Wind: 11mph SSW
  • Humidity: 70%
  • UV index: 9
  • Precip. probability: 43%
  • Precipitation: 0.24"
  • 5:41 am 8:54 pm CDT
ThuJun 26.
  • 84°F
  • 68°F
Isolated Thunderstorms
Isolated Thunderstorms
  • Wind: 11mph SW
  • Humidity: 72%
  • UV index: 9
  • Precip. probability: 33%
  • Precipitation: 0.2"
  • 5:42 am 8:54 pm CDT
FriJun 27.
  • 86°F
  • 70°F
Partly Cloudy
Partly Cloudy
  • Wind: 9mph SSW
  • Humidity: 70%
  • UV index: 8
  • Precip. probability: 24%
  • Precipitation: 0"
  • 5:42 am 8:54 pm CDT
SatJun 28.
  • 86°F
  • 68°F
PM Thunderstorms
PM Thunderstorms
  • Wind: 11mph SSW
  • Humidity: 67%
  • UV index: 8
  • Precip. probability: 36%
  • Precipitation: 0.35"
  • 5:43 am 8:54 pm CDT
SunJun 29.
  • 84°F
  • 66°F
Isolated Thunderstorms
Isolated Thunderstorms
  • Wind: 9mph WSW
  • Humidity: 68%
  • UV index: 8
  • Precip. probability: 34%
  • Precipitation: 0.31"
  • 5:43 am 8:54 pm CDT
Models point to a combination of primarily storm-filled and occasionally clear and cloud-filled weather is forecasted.
Rain is predicted for Monday through Thursday, next Saturday and Sunday.
The temperature will vary considerably across the forecast period. Maximum temperatures are forecasted between 84.2°F and 96.8°F, while there will be also a marked difference in overnight low temperatures, as temperatures overnight will fluctuate from 66.2°F up to 78.8°F.
Saturday is expected to be the hottest, reaching up to 96.8°F; with a maximum temperature of 84.2°F, Thursday and next Sunday will be the coldest days.
Taking the humidity into consideration, the maximum feel-like temperature may increase substantially and vary between a humid 89.6°F and a blazing hot 113°F.
Updated: Jun 20, 2025 @ 23:30:41 UTC
Published by: Weather Atlas | About Us
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