Weather forecast for 10 daysUnion, IL

10-day overview

Daily temperatures

Maximum temperature: 55°C.
Coldest day: Friday 41°C.

Chance of precipitation

Highest chance: tomorrow 66%.

Long-term weather forecast

  • Tuesday
  • Nov 10, 2026
  • min.
  • 39°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 9%
  • Precipitation: 0"
  • Wind: 2mphS 174°
  • Humidity: 77%
  • UV index: 0
  • Sunrise: 6:38 am CST
  • Sunset: 4:37 pm CST
  • ▼
  • Wednesday
  • Nov 11, 2026
  • 52°F
  • 36°F
Rain
Rain
  • Precip. probability: 66%
  • Precipitation: 0.35"
  • Wind: 9mphNE 56°
  • Humidity: 80%
  • UV index: 1
  • Sunrise: 6:39 am CST
  • Sunset: 4:36 pm CST
  • ▼
  • Thursday
  • Nov 12, 2026
  • 43°F
  • 28°F
Cloudy
Cloudy
  • Precip. probability: 19%
  • Precipitation: 0"
  • Wind: 17mphN 354°
  • Humidity: 68%
  • UV index: 1
  • Sunrise: 6:41 am CST
  • Sunset: 4:35 pm CST
  • ▼
  • Friday
  • Nov 13, 2026
  • 41°F
  • 25°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 12mphNNW 344°
  • Humidity: 63%
  • UV index: 2
  • Sunrise: 6:42 am CST
  • Sunset: 4:34 pm CST
  • ▼
  • Saturday
  • Nov 14, 2026
  • 45°F
  • 25°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 7mphNNW 337°
  • Humidity: 68%
  • UV index: 2
  • Sunrise: 6:43 am CST
  • Sunset: 4:33 pm CST
  • ▼
  • Sunday
  • Nov 15, 2026
  • 46°F
  • 27°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 4mphN 6°
  • Humidity: 69%
  • UV index: 2
  • Sunrise: 6:44 am CST
  • Sunset: 4:32 pm CST
  • ▼
  • Monday
  • Nov 16, 2026
  • 48°F
  • 28°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 4mphS 187°
  • Humidity: 66%
  • UV index: 2
  • Sunrise: 6:46 am CST
  • Sunset: 4:31 pm CST
  • ▼
  • Tuesday
  • Nov 17, 2026
  • 54°F
  • 30°F
Sunny
Sunny
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 6mphS 186°
  • Humidity: 63%
  • UV index: 2
  • Sunrise: 6:47 am CST
  • Sunset: 4:30 pm CST
  • ▼
  • Wednesday
  • Nov 18, 2026
  • 54°F
  • 37°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 9mphS 173°
  • Humidity: 63%
  • UV index: 2
  • Sunrise: 6:48 am CST
  • Sunset: 4:30 pm CST
  • ▼
  • Thursday
  • Nov 19, 2026
  • 55°F
  • 39°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 21%
  • Precipitation: 0"
  • Wind: 10mphS 190°
  • Humidity: 65%
  • UV index: 2
  • Sunrise: 6:49 am CST
  • Sunset: 4:29 pm CST
  • ▼
Over the next ten days, a mix of cloud-filled, sunny and damp weather is expected.
With a 66% probability, rainfall is forecasted only for Wednesday. Anticipated precipitation will be light at 0.35".
There will be a considerable variation in temperature throughout the forecast window. The temperature is expected to swing from 41°F up to 55.4°F, while the lowest night temperatures will vary also significantly, as the overnight lows will vary from 24.8°F to 39.2°F.
Expect the warmest day on next Thursday, with temperatures peaking at 55.4°F; with the highest temperature of 41°F, Friday will be the coldest day.
Updated: Nov 10, 2026 @ 23:23:14 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

In Union, a combination of cloudy, mostly clear and showery weather is predicted for the next ten days.

Rainfall is predicted only for Wednesday. With a probability of 66%, light precipitation of 0.35" is expected.

The maximum temperature will range between 41°F and 55.4°F, as the minimum temperature will be between 24.8°F and 39.2°F.

The warmest day will be next Thursday, with a maximum of 55.4°F. Friday will be the coldest day, with a maximum temperature of 41°F.

On Saturday, sunshine will lead the day, with clouds making only brief appearances.

No, it will not rain on Saturday.

On Saturday, the maximum temperature will be 44.6°F, while the minimum temperature will be 24.8°F.

On Sunday, sunshine will dominate, with only occasional cloud cover.

No, it will not rain on Sunday.

On Sunday, the highest temperature will be 46.4°F, while the lowest temperature will be 26.6°F.