Green Creek, IL Weather Forecast

Local 7-day forecast

92°
F

Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms

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

Wednesday, September 16, 2026
Wind: 5 mph SSE
Wednesday

A chance of showers and thunderstorms before noon, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 92. South southeast wind around 5 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.

Local 7-day forecast

Local Weather Overview

This forecast page for Green Creek, 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: Sep 15, 2026 5:17 PM CDT.

The active forecast window currently covers Sep 16 to Sep 21, 2026 for Green Creek, IL.

Page Snapshot

Page focus
city weather
Forecast window
Sep 16 to Sep 21, 2026
Latest sync
Sep 15, 2026 5:17 PM CDT
Forecast office
ILX
Source
NOAA / NWS
Next High
92°F
Wednesday
Next Low
72°F
Wednesday Night
Rain Outlook
9
Periods mentioning precipitation
Windiest
7 to 10 mph
Saturday

Daily Outlook

Today
Sep 16
Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
92 °F
/ 72°F
Wind 5 mph
Thu
Sep 17
Mostly Sunny
93 °F
/ 70°F
Wind 6 mph
Fri
Sep 18
Mostly Sunny then Slight Chance Showers And Thunderstorms
92 °F
/ 69°F
Wind 6 mph
Sat
Sep 19
Mostly Sunny
94 °F
/ 70°F
Wind 7 to 10 mph
Sun
Sep 20
Chance Rain Showers
90 °F
/ 65°F
Wind 5 to 9 mph
Mon
Sep 21
Chance Showers And Thunderstorms
82 °F
/ 60°F
Wind 5 to 9 mph

This Week in Green Creek

Saturday looks like the warmest upcoming period in Green Creek at 94 degrees F.

Monday Night is the coolest period ahead with temperatures near 60 degrees F.

The strongest winds are forecast for Saturday at about 7 to 10 mph SSW.

Precipitation is mentioned in 9 upcoming forecast periods.

Forecast Details

Last updated
Sep 15, 2026 5:17 PM CDT
Coverage
6 days
Time zone
America/Chicago
Forecast office
ILX
Radar station
KVWX

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

Open NOAA source

Extended Forecast

Wednesday Night
Sep 16
72°F
Slight Chance Showers And Thunderstorms then Partly Cloudy
3 mph S

A slight chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 72. South wind around 3 mph.

Thursday
Sep 17
93°F
Mostly Sunny
6 mph WNW

Mostly sunny, with a high near 93. West northwest wind around 6 mph.

Thursday Night
Sep 17
70°F
Mostly Clear
3 mph NE

Mostly clear, with a low around 70. Northeast wind around 3 mph.

Friday
Sep 18
92°F
Mostly Sunny then Slight Chance Showers And Thunderstorms
6 mph ESE

A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 92. East southeast wind around 6 mph.

Friday Night
Sep 18
69°F
Slight Chance Showers And Thunderstorms then Mostly Clear
6 mph SE

A slight chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 69.

Saturday
Sep 19
94°F
Mostly Sunny
7 to 10 mph SSW

Mostly sunny, with a high near 94.

Saturday Night
Sep 19
70°F
Chance Rain Showers
2 to 6 mph SSW

A chance of rain showers after 7pm. Partly cloudy, with a low around 70.

Sunday
Sep 20
90°F
Chance Rain Showers
5 to 9 mph NW

A chance of rain showers before 1pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 90.

Sunday Night
Sep 20
65°F
Chance Showers And Thunderstorms
3 to 7 mph NE

A chance of showers and thunderstorms. Partly cloudy, with a low around 65.

Monday
Sep 21
82°F
Chance Showers And Thunderstorms
5 to 9 mph NW

A chance of showers and thunderstorms. Partly sunny, with a high near 82.

Monday Night
Sep 21
60°F
Chance Rain Showers
5 to 9 mph N

A chance of rain showers. Mostly cloudy, with a low around 60.

Detailed Forecast

Period Conditions Temp Wind
Wednesday
Sep 16
Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
92°F
5 mph
SSE
Wednesday Night
Sep 16
Slight Chance Showers And Thunderstorms then Partly Cloudy
72°F
3 mph
S
Thursday
Sep 17
Mostly Sunny
93°F
6 mph
WNW
Thursday Night
Sep 17
Mostly Clear
70°F
3 mph
NE
Friday
Sep 18
Mostly Sunny then Slight Chance Showers And Thunderstorms
92°F
6 mph
ESE
Friday Night
Sep 18
Slight Chance Showers And Thunderstorms then Mostly Clear
69°F
6 mph
SE
Saturday
Sep 19
Mostly Sunny
94°F
7 to 10 mph
SSW
Saturday Night
Sep 19
Chance Rain Showers
70°F
2 to 6 mph
SSW
Sunday
Sep 20
Chance Rain Showers
90°F
5 to 9 mph
NW
Sunday Night
Sep 20
Chance Showers And Thunderstorms
65°F
3 to 7 mph
NE
Monday
Sep 21
Chance Showers And Thunderstorms
82°F
5 to 9 mph
NW
Monday Night
Sep 21
Chance Rain Showers
60°F
5 to 9 mph
N
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.