Carterville, IL Weather Forecast
Local 7-day forecast
Mostly Sunny then Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Carterville, IL in one place.
A chance of showers and thunderstorms between 3pm and 4pm, then a chance of showers and thunderstorms. Mostly sunny. High near 78, with temperatures falling to around 75 in the afternoon. Southwest wind 7 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 50%.
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: Apr 9, 2026 8:31 PM CDT.
The active forecast window currently covers Apr 10 to Apr 16, 2026 for Carterville, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 10 to Apr 16, 2026
- Latest sync
- Apr 9, 2026 8:31 PM CDT
- Forecast office
- PAH
- Source
- NOAA / NWS
Daily Outlook
This Week in Carterville
Tuesday looks like the warmest upcoming period in Carterville at 85 degrees F.
Friday Night is the coolest period ahead with temperatures near 54 degrees F.
The strongest winds are forecast for Monday at about 13 to 16 mph SSW.
Precipitation is mentioned in 12 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 9, 2026 8:31 PM 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
A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms between 7pm and 4am, then a slight chance of showers and thunderstorms. Mostly cloudy. Low around 54, with temperatures rising to around 56 overnight. North northeast wind 2 to 7 mph. Chance of precipitation is 50%.
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 79. East southeast wind around 5 mph. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 61. South southeast wind around 6 mph. Chance of precipitation is 20%.
Partly sunny, with a high near 81. South wind 6 to 15 mph, with gusts as high as 28 mph.
A slight chance of rain showers between 7pm and 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 66. South southwest wind around 13 mph, with gusts as high as 23 mph.
A chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms between 7am and 1pm, then a slight chance of showers and thunderstorms. Mostly cloudy, with a high near 82. South southwest wind 13 to 16 mph, with gusts as high as 26 mph.
A slight chance of showers and thunderstorms before 7pm. Mostly cloudy, with a low around 69. South southwest wind 10 to 14 mph, with gusts as high as 23 mph.
A slight chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 85. South southwest wind 10 to 16 mph, with gusts as high as 28 mph.
A slight chance of showers and thunderstorms before 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 67. South southwest wind around 14 mph, with gusts as high as 23 mph.
A chance of showers and thunderstorms. Partly sunny, with a high near 83. South southwest wind 12 to 15 mph, with gusts as high as 25 mph.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 62. South southwest wind 6 to 12 mph, with gusts as high as 20 mph.
A chance of showers and thunderstorms. Partly sunny, with a high near 79. South southwest wind 6 to 9 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Apr 10
|
Mostly Sunny then Chance Showers And Thunderstorms
|
78°F |
7 to 13 mph
SW
|
|
Friday Night
Apr 10
|
Chance Showers And Thunderstorms
|
54°F |
2 to 7 mph
NNE
|
|
Saturday
Apr 11
|
Slight Chance Showers And Thunderstorms
|
79°F |
5 mph
ESE
|
|
Saturday Night
Apr 11
|
Slight Chance Showers And Thunderstorms then Partly Cloudy
|
61°F |
6 mph
SSE
|
|
Sunday
Apr 12
|
Partly Sunny
|
81°F |
6 to 15 mph
S
|
|
Sunday Night
Apr 12
|
Slight Chance Rain Showers then Chance Showers And Thunderstorms
|
66°F |
13 mph
SSW
|
|
Monday
Apr 13
|
Chance Showers And Thunderstorms
|
82°F |
13 to 16 mph
SSW
|
|
Monday Night
Apr 13
|
Slight Chance Showers And Thunderstorms then Mostly Cloudy
|
69°F |
10 to 14 mph
SSW
|
|
Tuesday
Apr 14
|
Partly Sunny then Slight Chance Showers And Thunderstorms
|
85°F |
10 to 16 mph
SSW
|
|
Tuesday Night
Apr 14
|
Slight Chance Showers And Thunderstorms
|
67°F |
14 mph
SSW
|
|
Wednesday
Apr 15
|
Chance Showers And Thunderstorms
|
83°F |
12 to 15 mph
SSW
|
|
Wednesday Night
Apr 15
|
Chance Showers And Thunderstorms
|
62°F |
6 to 12 mph
SSW
|
|
Thursday
Apr 16
|
Chance Showers And Thunderstorms
|
79°F |
6 to 9 mph
SSW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Carterville.