Pontiac, IL Weather Forecast
Local 7-day forecast
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Pontiac, IL in one place.
A slight chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms between 7am and 1pm, then showers and thunderstorms likely. Partly sunny, with a high near 89. Southwest wind around 6 mph. Chance of precipitation is 70%.
Local Weather Overview
This forecast page for Pontiac, 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 9, 2026 12:29 AM CDT.
The active forecast window currently covers Jul 10 to Jul 15, 2026 for Pontiac, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 10 to Jul 15, 2026
- Latest sync
- Jul 9, 2026 12:29 AM CDT
- Forecast office
- LSX
- Source
- NOAA / NWS
Daily Outlook
This Week in Pontiac
Wednesday looks like the warmest upcoming period in Pontiac at 92 degrees F.
Sunday Night is the coolest period ahead with temperatures near 69 degrees F.
The strongest winds are forecast for Sunday at about 3 to 8 mph NE.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 9, 2026 12:29 AM CDT
- Coverage
- 6 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
Showers and thunderstorms likely before 1am, then showers and thunderstorms likely. Mostly cloudy, with a low around 72. Southwest wind 2 to 6 mph. Chance of precipitation is 70%.
Showers and thunderstorms likely before 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 88. Chance of precipitation is 60%.
A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Partly cloudy, with a low around 70. Chance of precipitation is 50%.
A slight chance of rain showers before 1pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 87. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 69. Chance of precipitation is 30%.
Sunny, with a high near 88.
Mostly clear, with a low around 71.
Sunny, with a high near 91.
Mostly clear, with a low around 72.
Sunny, with a high near 92.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Jul 10
|
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
|
89°F |
6 mph
SW
|
|
Friday Night
Jul 10
|
Showers And Thunderstorms Likely
|
72°F |
2 to 6 mph
SW
|
|
Saturday
Jul 11
|
Showers And Thunderstorms Likely
|
88°F |
6 mph
NW
|
|
Saturday Night
Jul 11
|
Chance Showers And Thunderstorms
|
70°F |
2 to 6 mph
NE
|
|
Sunday
Jul 12
|
Chance Showers And Thunderstorms
|
87°F |
3 to 8 mph
NE
|
|
Sunday Night
Jul 12
|
Chance Showers And Thunderstorms then Mostly Clear
|
69°F |
2 to 8 mph
NE
|
|
Monday
Jul 13
|
Sunny
|
88°F |
3 to 8 mph
NE
|
|
Monday Night
Jul 13
|
Mostly Clear
|
71°F |
1 to 8 mph
NE
|
|
Tuesday
Jul 14
|
Sunny
|
91°F |
1 to 6 mph
E
|
|
Tuesday Night
Jul 14
|
Mostly Clear
|
72°F |
1 to 5 mph
SE
|
|
Wednesday
Jul 15
|
Sunny
|
92°F |
2 to 6 mph
N
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Pontiac.
