Carthage, IL Weather Forecast
Local 7-day forecast
Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Carthage, IL in one place.
Rain showers before 4pm, then a chance of showers and thunderstorms. Cloudy, with a high near 68. South wind 10 to 15 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Local Weather Overview
This forecast page for Carthage, 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 15, 2026 2:53 PM CDT.
The active forecast window currently covers Oct 15 to Oct 21, 2026 for Carthage, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 15 to Oct 21, 2026
- Latest sync
- Oct 15, 2026 2:53 PM CDT
- Forecast office
- DVN
- Source
- NOAA / NWS
Daily Outlook
This Week in Carthage
Wednesday looks like the warmest upcoming period in Carthage at 76 degrees F.
Friday Night is the coolest period ahead with temperatures near 36 degrees F.
The strongest winds are forecast for Friday at about 20 to 25 mph NW.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 15, 2026 2:53 PM CDT
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- DVN
- Radar station
- KDVN
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 9pm. Mostly cloudy. Low around 46, with temperatures rising to around 49 overnight. Northwest wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 50%.
A chance of rain showers between 11am and 4pm. Mostly cloudy, with a high near 53. Northwest wind 20 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 30%.
Patchy frost after 5am. Partly cloudy, with a low around 36. North wind 5 to 20 mph, with gusts as high as 30 mph.
Patchy frost before 8am. Sunny, with a high near 57.
Areas of frost after 5am. Clear, with a low around 37.
Areas of frost before 7am. Sunny, with a high near 67.
Mostly clear, with a low around 42.
Mostly sunny, with a high near 70.
Partly cloudy, with a low around 44.
Mostly sunny, with a high near 73.
Mostly clear, with a low around 48.
Sunny, with a high near 76.
Partly cloudy, with a low around 53.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
This Afternoon
Oct 15
|
Chance Showers And Thunderstorms
|
68°F |
10 to 15 mph
S
|
|
Tonight
Oct 15
|
Chance Showers And Thunderstorms then Mostly Cloudy
|
46°F |
15 to 20 mph
NW
|
|
Friday
Oct 16
|
Chance Rain Showers
|
53°F |
20 to 25 mph
NW
|
|
Friday Night
Oct 16
|
Partly Cloudy then Patchy Frost
|
36°F |
5 to 20 mph
N
|
|
Saturday
Oct 17
|
Patchy Frost then Sunny
|
57°F |
0 to 5 mph
E
|
|
Saturday Night
Oct 17
|
Clear then Areas Of Frost
|
37°F |
0 to 5 mph
S
|
|
Sunday
Oct 18
|
Areas Of Frost then Sunny
|
67°F |
5 to 10 mph
S
|
|
Sunday Night
Oct 18
|
Mostly Clear
|
42°F |
5 mph
S
|
|
Monday
Oct 19
|
Mostly Sunny
|
70°F |
0 to 5 mph
S
|
|
Monday Night
Oct 19
|
Partly Cloudy
|
44°F |
0 to 5 mph
S
|
|
Tuesday
Oct 20
|
Mostly Sunny
|
73°F |
0 to 5 mph
SE
|
|
Tuesday Night
Oct 20
|
Mostly Clear
|
48°F |
5 mph
SE
|
|
Wednesday
Oct 21
|
Sunny
|
76°F |
5 to 10 mph
S
|
|
Wednesday Night
Oct 21
|
Partly Cloudy
|
53°F |
5 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Carthage.