Weather forecast for 10 days
Sumner, IL

Weather forecast for the weekend

Saturday, Apr 19.

Heavy Thunderstorms
6:07 am

7:33 pm
CDT
Heavy Thunderstorms
70°F / 57°F
  • Wind: 9mph W
  • Humidity: 81%
  • Precip. probability: 99%
  • Precipitation: 0.91"
  • UV index: 3
Today, severe thunderstorms may develop, producing heavy downpours and lightning.
Substantial precipitation is predicted. The temperature is anticipated to oscillate between a maximum of an agreeable 69.8°F and a minimum of a refreshing 57.2°F.
The maximum temperature will be a couple of degrees higher than the regular high of 64.4°F in April.
Sunrise will be at 6:07 am and sunset at 7:33 pm; the daylight will last for 13h and 26min.

Sunday, Apr 20.

AM Showers
6:05 am

7:34 pm
CDT
AM Showers
81°F / 61°F
  • Wind: 15mph SE
  • Humidity: 66%
  • Precip. probability: 52%
  • Precipitation: 0.39"
  • UV index: 6
Tomorrow, in Sumner, scattered morning showers will bring brief periods of rain.
The likelihood of precipitation is high. However, the rainfall will be light. Temperatures are anticipated to peak at a temperate 80.6°F and drop to a minimum of a comfortable 60.8°F.
The maximum heat index, which modifies the air temperature to account for humidity, is assessed at 84.2°F.
Conditions will lean warmer, as the high of 80.6°F is more representative of May's climate.
Sunrise will be at 6:05 am and sunset at 7:34 pm; tomorrow's daylight will last for 13h and 29min.

Frequently asked questions

What is the weather forecast for Sumner for tomorrow?
Tomorrow, occasional light showers are possible in the morning hours.
Will it rain tomorrow?
Light precipitation of 0.39" is expected. The chance of rainfall is 52%.
What will be the highest temperature tomorrow?
Tomorrow, the maximum temperature will be 80.6°F, while the minimum temperature will be 60.8°F. The maximum heat index, which combines air temperature and relative humidity, is estimated at 84.2°F.
The maximum temperature tomorrow will be noticeably higher than the average highest temperature of 64.4°F in April. The lowest temperature will be also noticeably higher than the average low of 47.7°F.
What time are sunrise and sunset tomorrow?
On Sunday, in Sumner, sunrise will be at 6:05 am and sunset at 7:34 pm (CDT).
How long will the day be tomorrow?
In Sumner, the length of the day tomorrow will be 13h and 29min.
What is the weather forecast for Sumner for the next ten days?
In Sumner, a combination of cloudy, stormy and rainy weather is forecasted for the next ten days.
Will it rain in the next ten days?
Rainfall is anticipated on Saturday, Sunday, Thursday and Friday in Sumner. With increased precipitation of 0.91", Saturday will be the day with the most rainfall.
How warm will it be in the next ten days?
The maximum temperature will vary between 68°F and 80.6°F, as the minimum temperature will vary between 48.2°F and 62.6°F.
What will be the warmest and the coldest days?
The warmest days will be Sunday, Wednesday and Thursday, with a maximum of 80.6°F. Monday will be the coldest day, with a maximum temperature of 68°F.

Long-term weather forecast

SatApr 19.
  • 70°F
  • 57°F
Heavy Thunderstorms
Heavy Thunderstorms
  • Wind: 9mph W
  • Humidity: 81%
  • UV index: 3
  • Precip. probability: 99%
  • Precipitation: 0.91"
  • 6:07 am 7:33 pm CDT
SunApr 20.
  • 81°F
  • 61°F
AM Showers
AM Showers
  • Wind: 15mph SE
  • Humidity: 66%
  • UV index: 6
  • Precip. probability: 52%
  • Precipitation: 0.39"
  • 6:05 am 7:34 pm CDT
MonApr 21.
  • 68°F
  • 48°F
Partly Cloudy
Partly Cloudy
  • Wind: 17mph WSW
  • Humidity: 62%
  • UV index: 8
  • Precip. probability: 8%
  • Precipitation: 0"
  • 6:04 am 7:35 pm CDT
TueApr 22.
  • 77°F
  • 52°F
Partly Cloudy
Partly Cloudy
  • Wind: 6mph SE
  • Humidity: 54%
  • UV index: 6
  • Precip. probability: 8%
  • Precipitation: 0"
  • 6:03 am 7:36 pm CDT
WedApr 23.
  • 81°F
  • 57°F
Partly Cloudy
Partly Cloudy
  • Wind: 7mph ESE
  • Humidity: 47%
  • UV index: 7
  • Precip. probability: 15%
  • Precipitation: 0"
  • 6:01 am 7:37 pm CDT
ThuApr 24.
  • 81°F
  • 63°F
Isolated Thunderstorms
Isolated Thunderstorms
  • Wind: 10mph SSE
  • Humidity: 56%
  • UV index: 7
  • Precip. probability: 35%
  • Precipitation: 0.16"
  • 6:00 am 7:38 pm CDT
FriApr 25.
  • 75°F
  • 57°F
Scattered Thunderstorms
Scattered Thunderstorms
  • Wind: 11mph SSE
  • Humidity: 69%
  • UV index: 5
  • Precip. probability: 53%
  • Precipitation: 0.35"
  • 5:59 am 7:39 pm CDT
SatApr 26.
  • 75°F
  • 55°F
Cloudy
Cloudy
  • Wind: 12mph NE
  • Humidity: 61%
  • UV index: 5
  • Precip. probability: 24%
  • Precipitation: 0"
  • 5:57 am 7:40 pm CDT
SunApr 27.
  • 75°F
  • 57°F
Partly Cloudy
Partly Cloudy
  • Wind: 10mph E
  • Humidity: 58%
  • UV index: 7
  • Precip. probability: 24%
  • Precipitation: 0"
  • 5:56 am 7:41 pm CDT
MonApr 28.
  • 73°F
  • 61°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 12mph SE
  • Humidity: 61%
  • UV index: 6
  • Precip. probability: 24%
  • Precipitation: 0"
  • 5:55 am 7:42 pm CDT
Over the next ten days, a mix of cloudy, thunderstorm-prone and showery weather is forecasted.
Rainfall is predicted for Saturday, Sunday, Thursday and Friday.
Noticeable swings in temperature are expected over the next several days. Highs will range from 68°F to 80.6°F, while the nightly low temperatures will show also a considerable swing, as the lowest temperatures will be recorded between 48.2°F and 62.6°F.
With a maximum temperature of 80.6°F, Sunday, Wednesday and Thursday will be the warmest days in Sumner; the coldest day will be Monday, with a maximum of 68°F.
Updated: Apr 19, 2025 @ 10:00:45 UTC
Published by: Weather U.S. | About Us
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