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Union Park, IL Weather Forecast

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Union Park, IL Weather Forecast

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Union Park IL weather - Mostly Clear - 55°F
Mostly Clear
55°F
Updated 5:12 am
Feels Like 54°F
Humidity 74%
Wind SSW 6 mph
Barometer  30.12 in
Dew Point 47°F
Union Park IL weather - Mostly Clear - 13°C
Mostly Clear
13°C
Updated 5:12 am
Feels Like 12°C
Humidity 74%
Wind SSW 10 km/h
Barometer  102 kPa
Dew Point 8°C
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Union Park Weather Forecast

EARLY THIS MORNING TODAY TONIGHT MONDAY MONDAY NIGHT TUESDAY TUESDAY NIGHT WEDNESDAY WEDNESDAY NIGHT THURSDAY THURSDAY NIGHT FRIDAY
Union Park, IL Weather - Early This Morning Clearing Union Park, IL Weather - Today Mostly Sunny Union Park, IL Weather - Tonight Mostly Clear Union Park, IL Weather - Monday Sunny Union Park, IL Weather - Monday Night Clear Union Park, IL Weather - Tuesday Sunny Union Park, IL Weather - Tuesday Night Mostly Clear Union Park, IL Weather - Wednesday Mostly Sunny Union Park, IL Weather - Wednesday Night Partly Cloudy Union Park, IL Weather - Thursday Partly Cloudy Union Park, IL Weather - Thursday Night Partly Cloudy Union Park, IL Weather - Friday Mostly Sunny
Clearing Mostly Sunny Mostly Clear Sunny Clear Sunny Mostly Clear Mostly Sunny Partly Cloudy Partly Cloudy Partly Cloudy Mostly Sunny
Hi: 55°FHi: 13°C
 Hi: 71°FHi: 22°C
 Lo: 49°FLo: 9°C Hi: 65°FHi: 18°C
 Lo: 49°FLo: 9°C Hi: 69°FHi: 21°C
 Lo: 55°FLo: 13°C Hi: 71°FHi: 22°C
 Lo: 51°FLo: 11°C Hi: 69°FHi: 21°C
 Lo: 51°FLo: 11°C Hi: 69°FHi: 21°C
POP = Probability of Precipitation.
Weather Outlook Updated: 420 AM CDT Sun Oct 04 2026 Union Park, IL Weather - WeatherWorld.com

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Union Park Forecast Discussion

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Issued: 152 AM CDT Sun Oct 4 2026

Key Messages

  • Dry weather with seasonable temperatures are expected through much of the upcoming week.

Discussion

... Issued at 152 AM CDT Sun Oct 4 2026

A potent mid-level wave crossing the northern Great Lakes early this morning continues to encounter dry mid-level air across the CWA. However, the strong forcing interacting with little available moisture below modestly steep lapse rates has yielded an axis of isolated showers strong enough to result in precip reaching the surface north of I-88/290 ...