Carlinville, IL Weather Forecast

Local 7-day forecast

91°
F

Sunny

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

Tuesday, October 13, 2026
Wind: 6 to 9 mph SW
Tuesday

Sunny, with a high near 91. Southwest wind 6 to 9 mph.

Local 7-day forecast

Local Weather Overview

This forecast page for Carlinville, 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 11, 2026 10:40 PM CDT.

The active forecast window currently covers Oct 13 to Oct 18, 2026 for Carlinville, IL.

Page Snapshot

Page focus
city weather
Forecast window
Oct 13 to Oct 18, 2026
Latest sync
Oct 11, 2026 10:40 PM CDT
Forecast office
LSX
Source
NOAA / NWS
Next High
91°F
Tuesday
Next Low
68°F
Tuesday Night
Rain Outlook
6
Periods mentioning precipitation
Windiest
13 to 20 mph
Friday

Daily Outlook

Today
Oct 13
Sunny
91 °F
/ 68°F
Wind 6 to 9 mph
Wed
Oct 14
Showers And Thunderstorms
81 °F
/ 60°F
Wind 3 mph
Thu
Oct 15
Showers And Thunderstorms
76 °F
/ 50°F
Wind 8 mph
Fri
Oct 16
Slight Chance Showers And Thunderstorms then Partly Sunny
65 °F
/ 37°F
Wind 13 to 20 mph
Sat
Oct 17
Sunny
60 °F
/ 34°F
Wind 3 to 7 mph
Sun
Oct 18
Sunny
67 °F
Wind 2 to 8 mph

This Week in Carlinville

Tuesday looks like the warmest upcoming period in Carlinville at 91 degrees F.

Saturday Night is the coolest period ahead with temperatures near 34 degrees F.

The strongest winds are forecast for Friday at about 13 to 20 mph NW.

Precipitation is mentioned in 6 upcoming forecast periods.

Forecast Details

Last updated
Oct 11, 2026 10:40 PM CDT
Coverage
6 days
Time zone
America/Chicago
Forecast office
LSX
Radar station
KLSX

Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.

Open NOAA source

Extended Forecast

Tuesday Night
Oct 13
68°F
Chance Showers And Thunderstorms
3 mph SW

A chance of showers and thunderstorms between 7pm and 4am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 68. Southwest wind around 3 mph. Chance of precipitation is 50%.

Wednesday
Oct 14
81°F
Showers And Thunderstorms
3 mph NW

Showers and thunderstorms. Mostly cloudy, with a high near 81. Chance of precipitation is 90%.

Wednesday Night
Oct 14
60°F
Showers And Thunderstorms
6 mph NE

Showers and thunderstorms. Mostly cloudy, with a low around 60. Chance of precipitation is 90%.

Thursday
Oct 15
76°F
Showers And Thunderstorms
8 mph E

Showers and thunderstorms. Mostly cloudy, with a high near 76. Chance of precipitation is 80%.

Thursday Night
Oct 15
50°F
Showers And Thunderstorms then Chance Showers And Thunderstorms
7 to 12 mph N

Showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 50. Chance of precipitation is 80%.

Friday
Oct 16
65°F
Slight Chance Showers And Thunderstorms then Partly Sunny
13 to 20 mph NW

A slight chance of showers and thunderstorms before 7am. Partly sunny, with a high near 65. Chance of precipitation is 20%.

Friday Night
Oct 16
37°F
Partly Cloudy
6 to 17 mph NW

Partly cloudy, with a low around 37.

Saturday
Oct 17
60°F
Sunny
3 to 7 mph N

Sunny, with a high near 60.

Saturday Night
Oct 17
34°F
Clear
0 to 3 mph E

Clear, with a low around 34.

Sunday
Oct 18
67°F
Sunny
2 to 8 mph S

Sunny, with a high near 67.

Detailed Forecast

Period Conditions Temp Wind
Tuesday
Oct 13
Sunny
91°F
6 to 9 mph
SW
Tuesday Night
Oct 13
Chance Showers And Thunderstorms
68°F
3 mph
SW
Wednesday
Oct 14
Showers And Thunderstorms
81°F
3 mph
NW
Wednesday Night
Oct 14
Showers And Thunderstorms
60°F
6 mph
NE
Thursday
Oct 15
Showers And Thunderstorms
76°F
8 mph
E
Thursday Night
Oct 15
Showers And Thunderstorms then Chance Showers And Thunderstorms
50°F
7 to 12 mph
N
Friday
Oct 16
Slight Chance Showers And Thunderstorms then Partly Sunny
65°F
13 to 20 mph
NW
Friday Night
Oct 16
Partly Cloudy
37°F
6 to 17 mph
NW
Saturday
Oct 17
Sunny
60°F
3 to 7 mph
N
Saturday Night
Oct 17
Clear
34°F
0 to 3 mph
E
Sunday
Oct 18
Sunny
67°F
2 to 8 mph
S
Macoupin County Courthouse  Carlinville
Macoupin County Courthouse Carlinville 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.