Junction, IL Weather Forecast
Local 7-day forecast
Partly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Junction, IL in one place.
Partly sunny. High near 81, with temperatures falling to around 79 in the afternoon. Northeast wind 0 to 3 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: Jul 23, 2026 9:59 PM CDT.
The active forecast window currently covers Jul 24 to Jul 30, 2026 for Junction, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 24 to Jul 30, 2026
- Latest sync
- Jul 23, 2026 9:59 PM CDT
- Forecast office
- PAH
- Source
- NOAA / NWS
Daily Outlook
This Week in Junction
Monday looks like the warmest upcoming period in Junction at 96 degrees F.
Friday Night is the coolest period ahead with temperatures near 65 degrees F.
The strongest winds are forecast for Monday at about 2 to 8 mph SW.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 23, 2026 9:59 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
A chance of rain showers before 7pm, then a chance of showers and thunderstorms between 7pm and 9pm, then a slight chance of showers and thunderstorms between 9pm and 10pm, then a chance of showers and thunderstorms between 10pm and midnight, then a slight chance of showers and thunderstorms between midnight and 1am, then a chance of showers and thunderstorms between 1am and 2am, then a slight chance of showers and thunderstorms between 2am and 3am, then showers and thunderstorms likely. Mostly cloudy. Low around 65, with temperatures rising to around 67 overnight. East wind around 2 mph. Chance of precipitation is 50%.
Showers and thunderstorms likely before 1pm, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 87. South wind 1 to 5 mph. Chance of precipitation is 60%.
A slight chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 71. South wind around 2 mph. Chance of precipitation is 20%.
Mostly sunny, with a high near 92. West northwest wind around 2 mph.
Mostly clear, with a low around 73. South southwest wind around 2 mph.
Sunny, with a high near 96. Southwest wind 2 to 8 mph.
Mostly clear, with a low around 77. Southwest wind around 8 mph.
Sunny, with a high near 96. West northwest wind around 8 mph.
A slight chance of showers and thunderstorms between 7pm and 1am. Partly cloudy, with a low around 73. North northeast wind 2 to 7 mph.
Mostly sunny, with a high near 91. Northeast wind 2 to 6 mph.
Mostly clear, with a low around 70. East northeast wind 1 to 5 mph.
Sunny, with a high near 90. Northwest wind 1 to 6 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Jul 24
|
Partly Sunny
|
81°F |
0 to 3 mph
NE
|
|
Friday Night
Jul 24
|
Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
|
65°F |
2 mph
E
|
|
Saturday
Jul 25
|
Showers And Thunderstorms Likely
|
87°F |
1 to 5 mph
S
|
|
Saturday Night
Jul 25
|
Slight Chance Showers And Thunderstorms then Partly Cloudy
|
71°F |
2 mph
S
|
|
Sunday
Jul 26
|
Mostly Sunny
|
92°F |
2 mph
WNW
|
|
Sunday Night
Jul 26
|
Mostly Clear
|
73°F |
2 mph
SSW
|
|
Monday
Jul 27
|
Sunny
|
96°F |
2 to 8 mph
SW
|
|
Monday Night
Jul 27
|
Mostly Clear
|
77°F |
8 mph
SW
|
|
Tuesday
Jul 28
|
Sunny
|
96°F |
8 mph
WNW
|
|
Tuesday Night
Jul 28
|
Slight Chance Showers And Thunderstorms
|
73°F |
2 to 7 mph
NNE
|
|
Wednesday
Jul 29
|
Mostly Sunny
|
91°F |
2 to 6 mph
NE
|
|
Wednesday Night
Jul 29
|
Mostly Clear
|
70°F |
1 to 5 mph
ENE
|
|
Thursday
Jul 30
|
Sunny
|
90°F |
1 to 6 mph
NW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Junction.