Carthage, IL Weather Forecast

Local 7-day forecast

68°
F

Chance Showers And Thunderstorms

Track current conditions, temperature changes, wind, and the full daily outlook for Carthage, IL in one place.

Thursday, October 15, 2026
Wind: 10 to 15 mph S
This Afternoon

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 7-day forecast

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
Next High
68°F
This Afternoon
Next Low
46°F
Tonight
Rain Outlook
3
Periods mentioning precipitation
Windiest
20 to 25 mph
Friday

Daily Outlook

Today
Oct 15
Chance Showers And Thunderstorms
68 °F
/ 46°F
Wind 10 to 15 mph
Fri
Oct 16
Chance Rain Showers
53 °F
/ 36°F
Wind 20 to 25 mph
Sat
Oct 17
Patchy Frost then Sunny
57 °F
/ 37°F
Wind 0 to 5 mph
Sun
Oct 18
Areas Of Frost then Sunny
67 °F
/ 42°F
Wind 5 to 10 mph
Mon
Oct 19
Mostly Sunny
70 °F
/ 44°F
Wind 0 to 5 mph
Tue
Oct 20
Mostly Sunny
73 °F
/ 48°F
Wind 0 to 5 mph
Wed
Oct 21
Sunny
76 °F
/ 53°F
Wind 5 to 10 mph

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 source

Extended Forecast

Tonight
Oct 15
46°F
Chance Showers And Thunderstorms then Mostly Cloudy
15 to 20 mph NW

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%.

Friday
Oct 16
53°F
Chance Rain Showers
20 to 25 mph NW

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%.

Friday Night
Oct 16
36°F
Partly Cloudy then Patchy Frost
5 to 20 mph N

Patchy frost after 5am. Partly cloudy, with a low around 36. North wind 5 to 20 mph, with gusts as high as 30 mph.

Saturday
Oct 17
57°F
Patchy Frost then Sunny
0 to 5 mph E

Patchy frost before 8am. Sunny, with a high near 57.

Saturday Night
Oct 17
37°F
Clear then Areas Of Frost
0 to 5 mph S

Areas of frost after 5am. Clear, with a low around 37.

Sunday
Oct 18
67°F
Areas Of Frost then Sunny
5 to 10 mph S

Areas of frost before 7am. Sunny, with a high near 67.

Sunday Night
Oct 18
42°F
Mostly Clear
5 mph S

Mostly clear, with a low around 42.

Monday
Oct 19
70°F
Mostly Sunny
0 to 5 mph S

Mostly sunny, with a high near 70.

Monday Night
Oct 19
44°F
Partly Cloudy
0 to 5 mph S

Partly cloudy, with a low around 44.

Tuesday
Oct 20
73°F
Mostly Sunny
0 to 5 mph SE

Mostly sunny, with a high near 73.

Tuesday Night
Oct 20
48°F
Mostly Clear
5 mph SE

Mostly clear, with a low around 48.

Wednesday
Oct 21
76°F
Sunny
5 to 10 mph S

Sunny, with a high near 76.

Wednesday Night
Oct 21
53°F
Partly Cloudy
5 mph S

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
Carthage Jail from southwest
Carthage Jail from southwest image
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.