Atlanta, IL Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Atlanta, IL in one place.
Sunny, with a high near 89. West southwest wind 8 to 13 mph, with gusts as high as 20 mph.
Local Weather Overview
This forecast page for Atlanta, 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: Oct 12, 2026 1:06 AM CDT.
The active forecast window currently covers Oct 13 to Oct 18, 2026 for Atlanta, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 13 to Oct 18, 2026
- Latest sync
- Oct 12, 2026 1:06 AM CDT
- Forecast office
- ILX
- Source
- NOAA / NWS
Daily Outlook
This Week in Atlanta
Tuesday looks like the warmest upcoming period in Atlanta at 89 degrees F.
Saturday Night is the coolest period ahead with temperatures near 36 degrees F.
The strongest winds are forecast for Friday at about 18 to 24 mph NW.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 12, 2026 1:06 AM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- ILX
- Radar station
- KILX
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 between 7pm and 1am, then showers and thunderstorms likely. Partly cloudy, with a low around 66. East northeast wind around 6 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Showers and thunderstorms likely. Mostly cloudy, with a high near 78. North northwest wind 6 to 9 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Rain showers likely. Mostly cloudy, with a low around 59. Northeast wind around 12 mph, with gusts as high as 17 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
A chance of rain showers before 7am, then showers and thunderstorms. Mostly cloudy, with a high near 73. Chance of precipitation is 80%.
Showers and thunderstorms before 1am, then a slight chance of showers and thunderstorms. Mostly cloudy, with a low around 52. Chance of precipitation is 80%.
A slight chance of showers and thunderstorms before 7am. Partly sunny, with a high near 63.
Partly cloudy, with a low around 38.
Sunny, with a high near 58.
Clear, with a low around 36.
Sunny, with a high near 65.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Oct 13
|
Sunny
|
89°F |
8 to 13 mph
WSW
|
|
Tuesday Night
Oct 13
|
Chance Showers And Thunderstorms
|
66°F |
6 mph
ENE
|
|
Wednesday
Oct 14
|
Showers And Thunderstorms Likely
|
78°F |
6 to 9 mph
NNW
|
|
Wednesday Night
Oct 14
|
Rain Showers Likely
|
59°F |
12 mph
NE
|
|
Thursday
Oct 15
|
Showers And Thunderstorms
|
73°F |
13 mph
E
|
|
Thursday Night
Oct 15
|
Showers And Thunderstorms
|
52°F |
13 to 18 mph
NNW
|
|
Friday
Oct 16
|
Slight Chance Showers And Thunderstorms then Partly Sunny
|
63°F |
18 to 24 mph
NW
|
|
Friday Night
Oct 16
|
Partly Cloudy
|
38°F |
13 to 22 mph
NNW
|
|
Saturday
Oct 17
|
Sunny
|
58°F |
7 to 12 mph
NNW
|
|
Saturday Night
Oct 17
|
Clear
|
36°F |
6 mph
ESE
|
|
Sunday
Oct 18
|
Sunny
|
65°F |
5 to 13 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Atlanta.
