Carterville, IL Weather Forecast
Local 7-day forecast
Showers And Thunderstorms Likely
Track current conditions, temperature changes, wind, and the full daily outlook for Carterville, IL in one place.
A chance of rain showers between 7am and 1pm, then showers and thunderstorms likely. Mostly cloudy, with a high near 78. East wind 1 to 5 mph. Chance of precipitation is 70%.
Local Weather Overview
This forecast page for Carterville, 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 24, 2026 1:39 PM CDT.
The active forecast window currently covers May 26 to May 30, 2026 for Carterville, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- May 26 to May 30, 2026
- Latest sync
- May 24, 2026 1:39 PM CDT
- Forecast office
- PAH
- Source
- NOAA / NWS
Daily Outlook
This Week in Carterville
Thursday looks like the warmest upcoming period in Carterville at 83 degrees F.
Saturday Night is the coolest period ahead with temperatures near 62 degrees F.
The strongest winds are forecast for Saturday at about 3 to 7 mph E.
Precipitation is mentioned in 10 upcoming forecast periods.
Forecast Details
- Last updated
- May 24, 2026 1:39 PM CDT
- Coverage
- 5 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
Showers and thunderstorms likely. Mostly cloudy, with a low around 64. Southeast wind around 3 mph. Chance of precipitation is 70%.
Showers and thunderstorms likely. Partly sunny, with a high near 81. South wind around 3 mph.
Showers and thunderstorms likely before 7pm. Partly cloudy, with a low around 65. East southeast wind around 2 mph.
A slight chance of rain showers between 7am and 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 83. East northeast wind 0 to 3 mph.
A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 67. East wind around 3 mph.
A chance of rain showers before 7am, then showers and thunderstorms likely. Mostly cloudy, with a high near 79. East wind around 5 mph.
Showers and thunderstorms likely. Mostly cloudy, with a low around 64. East wind around 5 mph.
A chance of rain showers before 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 78. East wind 3 to 7 mph.
A chance of showers and thunderstorms. Partly cloudy, with a low around 62. East wind 3 to 7 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
May 26
|
Showers And Thunderstorms Likely
|
78°F |
1 to 5 mph
E
|
|
Tuesday Night
May 26
|
Showers And Thunderstorms Likely
|
64°F |
3 mph
SE
|
|
Wednesday
May 27
|
Showers And Thunderstorms Likely
|
81°F |
3 mph
S
|
|
Wednesday Night
May 27
|
Showers And Thunderstorms Likely then Partly Cloudy
|
65°F |
2 mph
ESE
|
|
Thursday
May 28
|
Slight Chance Rain Showers then Chance Showers And Thunderstorms
|
83°F |
0 to 3 mph
ENE
|
|
Thursday Night
May 28
|
Chance Showers And Thunderstorms
|
67°F |
3 mph
E
|
|
Friday
May 29
|
Showers And Thunderstorms Likely
|
79°F |
5 mph
E
|
|
Friday Night
May 29
|
Showers And Thunderstorms Likely
|
64°F |
5 mph
E
|
|
Saturday
May 30
|
Chance Rain Showers
|
78°F |
3 to 7 mph
E
|
|
Saturday Night
May 30
|
Chance Showers And Thunderstorms
|
62°F |
3 to 7 mph
E
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Carterville.