Grand Tower, IL Weather Forecast
Local 7-day forecast
Mostly Clear
Track current conditions, temperature changes, wind, and the full daily outlook for Grand Tower, IL in one place.
Mostly clear, with a low around 64. North northeast wind around 5 mph.
Local Weather Overview
This forecast page for Grand Tower, 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: Jun 2, 2026 4:02 AM CDT.
The active forecast window currently covers Jun 2 to Jun 8, 2026 for Grand Tower, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jun 2 to Jun 8, 2026
- Latest sync
- Jun 2, 2026 4:02 AM CDT
- Forecast office
- PAH
- Source
- NOAA / NWS
Daily Outlook
This Week in Grand Tower
Saturday looks like the warmest upcoming period in Grand Tower at 86 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 55 degrees F.
The strongest winds are forecast for Tuesday at about 6 to 10 mph ENE.
Precipitation is mentioned in 5 upcoming forecast periods.
Forecast Details
- Last updated
- Jun 2, 2026 4:02 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. High near 81, with temperatures falling to around 79 in the afternoon. East northeast wind 6 to 10 mph.
Clear. Low around 55, with temperatures rising to around 57 overnight. Northeast wind 3 to 9 mph.
Sunny, with a high near 82. East northeast wind around 5 mph.
Mostly clear, with a low around 59. Southeast wind around 5 mph.
Sunny, with a high near 84. South wind 2 to 8 mph.
Mostly clear, with a low around 62. South wind 3 to 8 mph.
Mostly sunny, with a high near 85. South wind 3 to 9 mph.
Partly cloudy, with a low around 67. South wind 5 to 9 mph.
A chance of rain showers between 7am and 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 86. South southwest wind 5 to 9 mph.
A chance of showers and thunderstorms before 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 69. South wind 3 to 9 mph.
A chance of showers and thunderstorms before 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 86. South wind 3 to 7 mph.
A chance of showers and thunderstorms before 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 70. South wind 2 to 7 mph.
Showers and thunderstorms likely. Partly sunny, with a high near 86. South southeast wind 3 to 7 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
Jun 2
|
Mostly Clear
|
64°F |
5 mph
NNE
|
|
Tuesday
Jun 2
|
Mostly Sunny
|
81°F |
6 to 10 mph
ENE
|
|
Tuesday Night
Jun 2
|
Clear
|
55°F |
3 to 9 mph
NE
|
|
Wednesday
Jun 3
|
Sunny
|
82°F |
5 mph
ENE
|
|
Wednesday Night
Jun 3
|
Mostly Clear
|
59°F |
5 mph
SE
|
|
Thursday
Jun 4
|
Sunny
|
84°F |
2 to 8 mph
S
|
|
Thursday Night
Jun 4
|
Mostly Clear
|
62°F |
3 to 8 mph
S
|
|
Friday
Jun 5
|
Mostly Sunny
|
85°F |
3 to 9 mph
S
|
|
Friday Night
Jun 5
|
Partly Cloudy
|
67°F |
5 to 9 mph
S
|
|
Saturday
Jun 6
|
Chance Rain Showers then Chance Showers And Thunderstorms
|
86°F |
5 to 9 mph
SSW
|
|
Saturday Night
Jun 6
|
Chance Showers And Thunderstorms
|
69°F |
3 to 9 mph
S
|
|
Sunday
Jun 7
|
Chance Showers And Thunderstorms
|
86°F |
3 to 7 mph
S
|
|
Sunday Night
Jun 7
|
Chance Showers And Thunderstorms
|
70°F |
2 to 7 mph
S
|
|
Monday
Jun 8
|
Showers And Thunderstorms Likely
|
86°F |
3 to 7 mph
SSE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Grand Tower.
