Union Hill, IL Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Union Hill, IL in one place.
Sunny, with a high near 66.
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: Apr 16, 2026 8:50 PM CDT.
The active forecast window currently covers Apr 19 to Apr 23, 2026 for Union Hill, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 19 to Apr 23, 2026
- Latest sync
- Apr 16, 2026 8:50 PM CDT
- Forecast office
- LSX
- Source
- NOAA / NWS
Daily Outlook
This Week in Union Hill
Wednesday looks like the warmest upcoming period in Union Hill at 79 degrees F.
Sunday Night is the coolest period ahead with temperatures near 42 degrees F.
The strongest winds are forecast for Sunday at about 6 to 13 mph NW.
Precipitation is mentioned in 1 upcoming forecast period.
Forecast Details
- Last updated
- Apr 16, 2026 8:50 PM CDT
- Coverage
- 5 days
- Time zone
- America/Chicago
- Forecast office
- LSX
- Radar station
- KLSX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly clear, with a low around 42.
Sunny, with a high near 73.
Mostly clear, with a low around 53.
Sunny, with a high near 78.
Partly cloudy, with a low around 57.
Sunny, with a high near 79.
Partly cloudy, with a low around 58.
A slight chance of rain showers between 7am and 1pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 79. Chance of precipitation is 30%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Sunday
Apr 19
|
Sunny
|
66°F |
6 to 13 mph
NW
|
|
Sunday Night
Apr 19
|
Mostly Clear
|
42°F |
3 to 8 mph
NE
|
|
Monday
Apr 20
|
Sunny
|
73°F |
3 to 9 mph
SE
|
|
Monday Night
Apr 20
|
Mostly Clear
|
53°F |
9 mph
S
|
|
Tuesday
Apr 21
|
Sunny
|
78°F |
8 to 13 mph
SW
|
|
Tuesday Night
Apr 21
|
Partly Cloudy
|
57°F |
6 to 10 mph
SW
|
|
Wednesday
Apr 22
|
Sunny
|
79°F |
6 to 9 mph
SW
|
|
Wednesday Night
Apr 22
|
Partly Cloudy
|
58°F |
7 mph
S
|
|
Thursday
Apr 23
|
Chance Showers And Thunderstorms
|
79°F |
7 to 12 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Union Hill.