Junction, IL Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Junction, IL in one place.
Sunny, with a high near 78. West southwest wind 6 to 10 mph, with gusts as high as 18 mph.
Local Weather Overview
This forecast page for Junction, 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 21, 2026 10:07 PM CDT.
The active forecast window currently covers Apr 22 to Apr 28, 2026 for Junction, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 22 to Apr 28, 2026
- Latest sync
- Apr 21, 2026 10:07 PM CDT
- Forecast office
- PAH
- Source
- NOAA / NWS
Daily Outlook
This Week in Junction
Thursday looks like the warmest upcoming period in Junction at 81 degrees F.
Saturday Night is the coolest period ahead with temperatures near 54 degrees F.
The strongest winds are forecast for Monday at about 9 to 13 mph SSE.
Precipitation is mentioned in 10 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 21, 2026 10:07 PM CDT
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- PAH
- Radar station
- KVWX
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 57. South southwest wind around 6 mph.
Sunny, with a high near 81. South wind 3 to 12 mph, with gusts as high as 20 mph.
A slight chance of rain showers between 1am and 4am, then a slight chance of showers and thunderstorms. Partly cloudy, with a low around 62. South wind around 9 mph. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms before 7am, then showers and thunderstorms. Mostly cloudy, with a high near 77. South southwest wind 8 to 12 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.
Showers and thunderstorms. Mostly cloudy, with a low around 58. West wind 1 to 7 mph.
A chance of showers and thunderstorms. Partly sunny, with a high near 77. North wind 2 to 7 mph.
A chance of rain showers. Partly cloudy, with a low around 54. Northeast wind around 5 mph.
A slight chance of rain showers before 1pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 78. East northeast wind around 6 mph.
A chance of showers and thunderstorms. Partly cloudy, with a low around 59. East southeast wind 5 to 8 mph.
A chance of rain showers before 1pm, then showers and thunderstorms likely. Partly sunny, with a high near 79. South southeast wind 9 to 13 mph, with gusts as high as 21 mph.
Showers and thunderstorms likely. Partly cloudy, with a low around 56. Southwest wind 7 to 12 mph, with gusts as high as 18 mph.
A chance of rain showers before 7am, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 74. West wind around 9 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Apr 22
|
Sunny
|
78°F |
6 to 10 mph
WSW
|
|
Wednesday Night
Apr 22
|
Mostly Clear
|
57°F |
6 mph
SSW
|
|
Thursday
Apr 23
|
Sunny
|
81°F |
3 to 12 mph
S
|
|
Thursday Night
Apr 23
|
Partly Cloudy then Slight Chance Showers And Thunderstorms
|
62°F |
9 mph
S
|
|
Friday
Apr 24
|
Slight Chance Showers And Thunderstorms then Showers And Thunderstorms
|
77°F |
8 to 12 mph
SSW
|
|
Friday Night
Apr 24
|
Showers And Thunderstorms
|
58°F |
1 to 7 mph
W
|
|
Saturday
Apr 25
|
Chance Showers And Thunderstorms
|
77°F |
2 to 7 mph
N
|
|
Saturday Night
Apr 25
|
Chance Rain Showers
|
54°F |
5 mph
NE
|
|
Sunday
Apr 26
|
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
|
78°F |
6 mph
ENE
|
|
Sunday Night
Apr 26
|
Chance Showers And Thunderstorms
|
59°F |
5 to 8 mph
ESE
|
|
Monday
Apr 27
|
Showers And Thunderstorms Likely
|
79°F |
9 to 13 mph
SSE
|
|
Monday Night
Apr 27
|
Showers And Thunderstorms Likely
|
56°F |
7 to 12 mph
SW
|
|
Tuesday
Apr 28
|
Chance Rain Showers then Slight Chance Showers And Thunderstorms
|
74°F |
9 mph
W
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Junction.