Weather forecast for 10 days
Alton, IA

Weather forecast for the weekend

Saturday, Jun 21.

Partly Cloudy
5:43 am

9:08 pm
CDT
Partly Cloudy
95°F / 73°F
  • Wind: 17mph SSW
  • Humidity: 55%
  • Precip. probability: 3%
  • Precipitation: 0"
  • UV index: 8
On Saturday, June 21, clouds will come and go, but expect bright periods in between.
Rainfall is not anticipated. Temperature fluctuations between a sizzling 95°F and a temperate 73.4°F are forecasted.
On Saturday, the expected high temperature is higher and fits better with July's average than with June's usual.
Sunrise will be at 5:43 am and sunset at 9:08 pm; the daylight will last for 15h and 25min.

Sunday, Jun 22.

Sunny / Wind
5:43 am

9:08 pm
CDT
Sunny / Wind
91°F / 68°F
  • Wind: 22mph SSW
  • Humidity: 56%
  • Precip. probability: 6%
  • Precipitation: 0"
  • UV index: 8
On Sunday, June 22, clear skies and strong winds are expected.
Rainfall is not predicted. The highest forecasted temperature is a blazing 91.4°F, while the lowest temperature will be a pleasant 68°F.
On Sunday, the hotter weather will bring a peak temperature more in tune with July's 81.7°F.
Sunrise will be at 5:43 am and sunset at 9:08 pm; the daylight will last for 15h and 25min.

Frequently asked questions

What is the weather forecast for Alton for Saturday?
On Saturday, mostly clear with scattered clouds is expected.
Will it rain on Saturday?
No, it will not rain on Saturday.
What will be the highest temperature on Saturday?
On Saturday, the highest temperature will be 95°F, while the lowest temperature will be 73.4°F.
What is the weather forecast for Alton for Sunday?
On Sunday, wind gusts may pick up while sunny weather holds steady.
Will it rain on Sunday?
No, it will not rain on Sunday.
What will be the maximum temperature on Sunday?
On Sunday, the maximum temperature in Alton will be 91.4°F, while the minimum temperature will be 68°F.
What is the weather forecast for Alton for the next ten days?
In Alton, a combination of storm-filled, clear and dull weather is forecasted for the next ten days.
Will it rain in the next ten days?
Rainfall is anticipated on Monday through Wednesday, next Monday through next Wednesday in Alton. With moderate precipitation of 0.75", next Monday and Wednesday will be the wettest days.
How hot will it be in the next ten days in Alton?
The maximum temperature will range between 75.2°F and 95°F, as the minimum temperature will range between 57.2°F and 75.2°F.
Combining with the humidity, the maximum feel-like temperature will range between 75.2°F and 113°F.
What will be the hottest and the coldest days?
With the maximum temperature of 95°F, Saturday will be the hottest day. With a maximum temperature of 75.2°F, next Monday and Tuesday will be the coldest days.

Long-term weather forecast

MonJun 16.
  • 88°F
  • 63°F
Strong Storms
Strong Storms
  • Wind: 16mph SSW
  • Humidity: 63%
  • UV index: 8
  • Precip. probability: 75%
  • Precipitation: 0.35"
  • 5:42 am 9:07 pm CDT
TueJun 17.
  • 81°F
  • 61°F
PM Thunderstorms
PM Thunderstorms
  • Wind: 9mph NE
  • Humidity: 76%
  • UV index: 5
  • Precip. probability: 41%
  • Precipitation: 0.04"
  • 5:42 am 9:07 pm CDT
WedJun 18.
  • 79°F
  • 61°F
PM Thunderstorms
PM Thunderstorms
  • Wind: 7mph N
  • Humidity: 68%
  • UV index: 8
  • Precip. probability: 40%
  • Precipitation: 0.16"
  • 5:42 am 9:07 pm CDT
ThuJun 19.
  • 90°F
  • 68°F
Mostly Sunny
Mostly Sunny
  • Wind: 10mph SW
  • Humidity: 60%
  • UV index: 8
  • Precip. probability: 23%
  • Precipitation: 0"
  • 5:43 am 9:08 pm CDT
FriJun 20.
  • 93°F
  • 75°F
Mostly Sunny / Wind
Mostly Sunny / Wind
  • Wind: 21mph S
  • Humidity: 66%
  • UV index: 8
  • Precip. probability: 12%
  • Precipitation: 0"
  • 5:43 am 9:08 pm CDT
SatJun 21.
  • 95°F
  • 73°F
Partly Cloudy
Partly Cloudy
  • Wind: 17mph SSW
  • Humidity: 55%
  • UV index: 8
  • Precip. probability: 3%
  • Precipitation: 0"
  • 5:43 am 9:08 pm CDT
SunJun 22.
  • 91°F
  • 68°F
Sunny / Wind
Sunny / Wind
  • Wind: 22mph SSW
  • Humidity: 56%
  • UV index: 8
  • Precip. probability: 6%
  • Precipitation: 0"
  • 5:43 am 9:08 pm CDT
MonJun 23.
  • 75°F
  • 57°F
PM Thunderstorms
PM Thunderstorms
  • Wind: 13mph NW
  • Humidity: 73%
  • UV index: 8
  • Precip. probability: 59%
  • Precipitation: 0.75"
  • 5:44 am 9:08 pm CDT
TueJun 24.
  • 75°F
  • 59°F
Scattered Thunderstorms
Scattered Thunderstorms
  • Wind: 10mph NE
  • Humidity: 71%
  • UV index: 7
  • Precip. probability: 43%
  • Precipitation: 0.28"
  • 5:44 am 9:08 pm CDT
WedJun 25.
  • 77°F
  • 61°F
Scattered Thunderstorms
Scattered Thunderstorms
  • Wind: 11mph ESE
  • Humidity: 78%
  • UV index: 7
  • Precip. probability: 44%
  • Precipitation: 0.75"
  • 5:44 am 9:08 pm CDT
Models point to a combination of thunderstorm-prone, dry and sunny and dull weather is expected.
Rainfall is forecasted for Monday through Wednesday, next Monday through next Wednesday. The days with the most rainfall will be next Monday and Wednesday, with moderate precipitation of 0.75".
Temperature fluctuation will be noticeable over the next several days. Forecast highs will fluctuate between 75.2°F and 95°F, while the difference in minimum temperatures will be also substantial, as the minimum temperature is expected to range between 57.2°F and 75.2°F.
With the highest temperature of 95°F, Saturday will be the hottest day; next Monday and Tuesday, with the highest temperature of 75.2°F, will be the coldest days in Alton.
Taking the humidity into consideration, the maximum feel-like temperature may increase substantially and range between 75.2°F and a life-threatening 113°F.
Updated: Jun 16, 2025 @ 12:57:38 UTC
Published by: Weather U.S. | About Us
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