Weather forecast for 10 daysUnion, IL

10-day overview

Daily temperatures

Warmest period: Thursday - Friday 57°C.
Coldest period: tomorrow - Friday 43°C.

Chance of precipitation

Highest chance: today 71%.

Long-term weather forecast

  • Wednesday
  • Nov 11, 2026
  • 52°F
  • 36°F
AM Showers
AM Showers
  • Precip. probability: 71%
  • Precipitation: 0"
  • Wind: 11mphNE 51°
  • Humidity: 79%
  • UV index: 1
  • Sunrise: 6:39 am CST
  • Sunset: 4:36 pm CST
  • ▼
  • Thursday
  • Nov 12, 2026
  • 43°F
  • 28°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0.16"
  • Wind: 17mphN 353°
  • Humidity: 66%
  • UV index: 2
  • Sunrise: 6:41 am CST
  • Sunset: 4:35 pm CST
  • ▼
  • Friday
  • Nov 13, 2026
  • 43°F
  • 25°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 14mphNNW 346°
  • Humidity: 61%
  • 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 333°
  • Humidity: 69%
  • UV index: 2
  • Sunrise: 6:43 am CST
  • Sunset: 4:33 pm CST
  • ▼
  • Sunday
  • Nov 15, 2026
  • 46°F
  • 27°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 4mphN 7°
  • 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: 9%
  • Precipitation: 0"
  • Wind: 6mphS 189°
  • 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: 6mphSSW 193°
  • 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: 8mphS 174°
  • Humidity: 64%
  • UV index: 2
  • Sunrise: 6:48 am CST
  • Sunset: 4:30 pm CST
  • ▼
  • Thursday
  • Nov 19, 2026
  • 57°F
  • 43°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 21%
  • Precipitation: 0"
  • Wind: 9mphS 190°
  • Humidity: 67%
  • UV index: 2
  • Sunrise: 6:49 am CST
  • Sunset: 4:29 pm CST
  • ▼
  • Friday
  • Nov 20, 2026
  • 57°F
  • 46°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 7mphSSW 193°
  • Humidity: 74%
  • UV index: 1
  • Sunrise: 6:51 am CST
  • Sunset: 4:28 pm CST
  • ▼
Models point to a combination of primarily dull and occasionally clear and wet weather is forecasted.
Rainfall is not predicted in Union in the upcoming days.
Significant changes in temperature are expected over the next several days. Maximum temperatures are forecasted between 42.8°F and 57.2°F, while the lowest nightly temperature differences will be also quite pronounced, as the minimum temperature is expected to range between 24.8°F and 46.4°F.
Next Thursday and Friday, with the highest temperature of 57.2°F, will be the warmest days; Thursday and Friday, with the highest temperature of 42.8°F, will be the coldest days.
Updated: Nov 11, 2026 @ 06:21:12 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

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

The maximum temperature will range between 42.8°F and 57.2°F, as the minimum temperature will vary between 24.8°F and 46.4°F.

The warmest days will be next Thursday and Friday, with a maximum of 57.2°F. With a maximum temperature of 42.8°F, Thursday and Friday will be the coldest days.

On Saturday, expect plenty of sunshine and only a few scattered clouds.

No, it will not rain on Saturday.

On Saturday, the highest temperature will be 44.6°F, while the lowest temperature will be 24.8°F.

On Sunday, moderate cloud cover will mix with sunshine throughout the day.

No, it will not rain on Sunday.

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