Pontiac, IL Weather Forecast
Local 7-day forecast
Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Pontiac, IL in one place.
A chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms. Partly sunny, with a high near 81.
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: Apr 10, 2026 11:37 AM CDT.
The active forecast window currently covers Apr 13 to Apr 16, 2026 for Pontiac, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 13 to Apr 16, 2026
- Latest sync
- Apr 10, 2026 11:37 AM CDT
- Forecast office
- LOT
- Source
- NOAA / NWS
Daily Outlook
This Week in Pontiac
Tuesday looks like the warmest upcoming period in Pontiac at 82 degrees F.
Thursday Night is the coolest period ahead with temperatures near 54 degrees F.
The strongest winds are forecast for Monday at about 15 to 20 mph SW.
Precipitation is mentioned in 8 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 10, 2026 11:37 AM CDT
- Coverage
- 4 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 chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 65.
A chance of rain showers before 7am, then a slight chance of showers and thunderstorms between 7am and 1pm, then showers and thunderstorms likely. Mostly cloudy, with a high near 82.
Showers and thunderstorms likely before 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 62.
A chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms. Partly sunny, with a high near 77.
A chance of showers and thunderstorms. Partly cloudy, with a low around 55.
A chance of rain showers. Mostly sunny, with a high near 78.
A chance of rain showers. Partly cloudy, with a low around 54.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Monday
Apr 13
|
Chance Showers And Thunderstorms
|
81°F |
15 to 20 mph
SW
|
|
Monday Night
Apr 13
|
Chance Showers And Thunderstorms
|
65°F |
15 mph
SSW
|
|
Tuesday
Apr 14
|
Slight Chance Showers And Thunderstorms
|
82°F |
15 to 20 mph
SSW
|
|
Tuesday Night
Apr 14
|
Showers And Thunderstorms Likely
|
62°F |
15 to 20 mph
SSW
|
|
Wednesday
Apr 15
|
Chance Showers And Thunderstorms
|
77°F |
15 to 20 mph
SW
|
|
Wednesday Night
Apr 15
|
Chance Showers And Thunderstorms
|
55°F |
10 to 15 mph
SW
|
|
Thursday
Apr 16
|
Chance Rain Showers
|
78°F |
10 to 15 mph
SSW
|
|
Thursday Night
Apr 16
|
Chance Rain Showers
|
54°F |
10 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Pontiac.