New Grand Chain, IL Weather Forecast
Local 7-day forecast
Mostly Cloudy
Track current conditions, temperature changes, wind, and the full daily outlook for New Grand Chain, IL in one place.
Mostly cloudy. Low around 64, with temperatures rising to around 66 overnight. East southeast wind around 5 mph.
Local Weather Overview
This forecast page for New Grand Chain, 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: May 31, 2026 5:24 AM CDT.
The active forecast window currently covers May 31 to Jun 6, 2026 for New Grand Chain, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- May 31 to Jun 6, 2026
- Latest sync
- May 31, 2026 5:24 AM CDT
- Forecast office
- PAH
- Source
- NOAA / NWS
Daily Outlook
This Week in New Grand Chain
Saturday looks like the warmest upcoming period in New Grand Chain at 86 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 57 degrees F.
The strongest winds are forecast for Tuesday at about 6 to 10 mph NE.
Precipitation is mentioned in 5 upcoming forecast periods.
Forecast Details
- Last updated
- May 31, 2026 5:24 AM CDT
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- PAH
- Radar station
- KPAH
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly sunny, with a high near 84. East wind around 5 mph.
A chance of showers and thunderstorms after 9pm. Partly cloudy. Low around 66, with temperatures rising to around 68 overnight. Southeast wind around 2 mph. Chance of precipitation is 50%.
Rain showers likely before 7am, then showers and thunderstorms between 7am and 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 85. West southwest wind around 3 mph. Chance of precipitation is 80%.
A chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 64. Northeast wind around 5 mph. Chance of precipitation is 30%.
Sunny, with a high near 80. Northeast wind 6 to 10 mph, with gusts as high as 18 mph.
Clear, with a low around 57. Northeast wind 3 to 8 mph.
Sunny, with a high near 80. East northeast wind around 7 mph.
Clear, with a low around 58. East wind 1 to 5 mph.
Sunny, with a high near 83. South southeast wind 2 to 6 mph.
Mostly clear, with a low around 63. South wind around 5 mph.
Mostly sunny, with a high near 85. South wind 3 to 9 mph.
A slight chance of rain showers after 7pm. Partly cloudy, with a low around 68. South wind 3 to 7 mph.
A chance of rain showers before 1pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 86. South wind 5 to 10 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
May 31
|
Mostly Cloudy
|
64°F |
5 mph
ESE
|
|
Sunday
May 31
|
Mostly Sunny
|
84°F |
5 mph
E
|
|
Sunday Night
May 31
|
Chance Showers And Thunderstorms
|
66°F |
2 mph
SE
|
|
Monday
Jun 1
|
Showers And Thunderstorms
|
85°F |
3 mph
WSW
|
|
Monday Night
Jun 1
|
Chance Showers And Thunderstorms
|
64°F |
5 mph
NE
|
|
Tuesday
Jun 2
|
Sunny
|
80°F |
6 to 10 mph
NE
|
|
Tuesday Night
Jun 2
|
Clear
|
57°F |
3 to 8 mph
NE
|
|
Wednesday
Jun 3
|
Sunny
|
80°F |
7 mph
ENE
|
|
Wednesday Night
Jun 3
|
Clear
|
58°F |
1 to 5 mph
E
|
|
Thursday
Jun 4
|
Sunny
|
83°F |
2 to 6 mph
SSE
|
|
Thursday Night
Jun 4
|
Mostly Clear
|
63°F |
5 mph
S
|
|
Friday
Jun 5
|
Mostly Sunny
|
85°F |
3 to 9 mph
S
|
|
Friday Night
Jun 5
|
Slight Chance Rain Showers
|
68°F |
3 to 7 mph
S
|
|
Saturday
Jun 6
|
Chance Rain Showers then Chance Showers And Thunderstorms
|
86°F |
5 to 10 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around New Grand Chain.
Nearby forecast pages are not available for this location yet.