Pontoosuc, IL Weather Forecast
Local 7-day forecast
Areas Of Fog then Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Pontoosuc, IL in one place.
Areas of fog before 8am. Sunny, with a high near 83. East wind 0 to 5 mph.
Local Weather Overview
This forecast page for Pontoosuc, 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: Aug 3, 2026 1:49 AM CDT.
The active forecast window currently covers Aug 3 to Aug 9, 2026 for Pontoosuc, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Aug 3 to Aug 9, 2026
- Latest sync
- Aug 3, 2026 1:49 AM CDT
- Forecast office
- DVN
- Source
- NOAA / NWS
Daily Outlook
This Week in Pontoosuc
Sunday looks like the warmest upcoming period in Pontoosuc at 88 degrees F.
Monday Night is the coolest period ahead with temperatures near 67 degrees F.
The strongest winds are forecast for Sunday at about 5 to 10 mph S.
Precipitation is mentioned in 8 upcoming forecast periods.
Forecast Details
- Last updated
- Aug 3, 2026 1:49 AM CDT
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- DVN
- Radar station
- KDVN
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 67. Southeast wind around 5 mph.
Sunny, with a high near 85. South wind around 5 mph.
Partly cloudy, with a low around 70.
A chance of showers and thunderstorms between 7am and 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 82. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 7pm, then showers and thunderstorms. Mostly cloudy, with a low around 69. Chance of precipitation is 80%.
Showers and thunderstorms before 1pm. Partly sunny, with a high near 81. Chance of precipitation is 80%.
A slight chance of rain showers after 1am. Partly cloudy, with a low around 68.
A slight chance of rain showers. Mostly sunny, with a high near 83.
A slight chance of rain showers before 7pm, then a slight chance of showers and thunderstorms. Partly cloudy, with a low around 70.
A slight chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 86.
A slight chance of showers and thunderstorms between 7pm and 1am. Mostly clear, with a low around 73.
Mostly sunny, with a high near 88.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Monday
Aug 3
|
Areas Of Fog then Sunny
|
83°F |
0 to 5 mph
E
|
|
Monday Night
Aug 3
|
Mostly Clear
|
67°F |
5 mph
SE
|
|
Tuesday
Aug 4
|
Sunny
|
85°F |
5 mph
S
|
|
Tuesday Night
Aug 4
|
Partly Cloudy
|
70°F |
5 mph
SE
|
|
Wednesday
Aug 5
|
Chance Showers And Thunderstorms
|
82°F |
0 to 5 mph
SE
|
|
Wednesday Night
Aug 5
|
Chance Showers And Thunderstorms then Showers And Thunderstorms
|
69°F |
5 mph
NE
|
|
Thursday
Aug 6
|
Showers And Thunderstorms
|
81°F |
5 mph
NE
|
|
Thursday Night
Aug 6
|
Partly Cloudy then Slight Chance Rain Showers
|
68°F |
0 to 5 mph
E
|
|
Friday
Aug 7
|
Slight Chance Rain Showers
|
83°F |
0 to 5 mph
SE
|
|
Friday Night
Aug 7
|
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
|
70°F |
0 to 5 mph
SE
|
|
Saturday
Aug 8
|
Slight Chance Showers And Thunderstorms then Mostly Sunny
|
86°F |
5 mph
S
|
|
Saturday Night
Aug 8
|
Slight Chance Showers And Thunderstorms
|
73°F |
5 mph
S
|
|
Sunday
Aug 9
|
Mostly Sunny
|
88°F |
5 to 10 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Pontoosuc.