Union Hill, IL Weather Forecast
Local 7-day forecast
Slight Chance Showers And Thunderstorms then Partly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Union Hill, IL in one place.
A slight chance of showers and thunderstorms before noon. Partly sunny, with a high near 87. Heat index values as high as 95. West southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
Local Weather Overview
This forecast page for Union Hill, IL is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Jun 8, 2026 9:40 PM CDT.
The active forecast window currently covers Jun 9 to Jun 15, 2026 for Union Hill, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jun 9 to Jun 15, 2026
- Latest sync
- Jun 8, 2026 9:40 PM CDT
- Forecast office
- LOT
- Source
- NOAA / NWS
Daily Outlook
This Week in Union Hill
Wednesday looks like the warmest upcoming period in Union Hill at 92 degrees F.
Sunday Night is the coolest period ahead with temperatures near 58 degrees F.
The strongest winds are forecast for Thursday at about 10 to 20 mph SSW.
Precipitation is mentioned in 12 upcoming forecast periods.
Forecast Details
- Last updated
- Jun 8, 2026 9:40 PM CDT
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- LOT
- Radar station
- KLOT
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A slight chance of rain showers between 7pm and 9pm, then a chance of showers and thunderstorms between 9pm and 3am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 71. South southwest wind 5 to 10 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
A chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 92. Heat index values as high as 101. South southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.
Showers and thunderstorms likely after 7pm. Mostly cloudy, with a low around 72. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.
Showers and thunderstorms likely. Mostly sunny, with a high near 88. Chance of precipitation is 70%.
Showers and thunderstorms before 1am, then a slight chance of showers and thunderstorms. Mostly cloudy, with a low around 62.
A slight chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 83.
Mostly clear, with a low around 62.
A slight chance of showers and thunderstorms after 1pm. Sunny, with a high near 86.
A chance of showers and thunderstorms. Partly cloudy, with a low around 62.
A chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms between 7am and 1pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 80.
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 58.
A slight chance of rain showers before 1pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 78.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Jun 9
|
Slight Chance Showers And Thunderstorms then Partly Sunny
|
87°F |
5 to 10 mph
WSW
|
|
Tuesday Night
Jun 9
|
Chance Showers And Thunderstorms
|
71°F |
5 to 10 mph
SSW
|
|
Wednesday
Jun 10
|
Chance Showers And Thunderstorms then Mostly Sunny
|
92°F |
10 to 15 mph
SSW
|
|
Wednesday Night
Jun 10
|
Showers And Thunderstorms Likely
|
72°F |
10 to 15 mph
SW
|
|
Thursday
Jun 11
|
Showers And Thunderstorms Likely
|
88°F |
10 to 20 mph
SSW
|
|
Thursday Night
Jun 11
|
Showers And Thunderstorms
|
62°F |
5 to 15 mph
WSW
|
|
Friday
Jun 12
|
Slight Chance Showers And Thunderstorms then Mostly Sunny
|
83°F |
5 to 10 mph
W
|
|
Friday Night
Jun 12
|
Mostly Clear
|
62°F |
5 to 10 mph
WSW
|
|
Saturday
Jun 13
|
Sunny then Slight Chance Showers And Thunderstorms
|
86°F |
5 to 10 mph
WSW
|
|
Saturday Night
Jun 13
|
Chance Showers And Thunderstorms
|
62°F |
5 to 10 mph
W
|
|
Sunday
Jun 14
|
Chance Showers And Thunderstorms
|
80°F |
5 to 10 mph
NNW
|
|
Sunday Night
Jun 14
|
Slight Chance Showers And Thunderstorms
|
58°F |
5 to 10 mph
NNE
|
|
Monday
Jun 15
|
Chance Showers And Thunderstorms
|
78°F |
5 to 10 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Union Hill.