Coynes, IL Weather Forecast
Local 7-day forecast
Patchy Fog then Mostly Cloudy
Track current conditions, temperature changes, wind, and the full daily outlook for Coynes, IL in one place.
Patchy fog and showers and thunderstorms before 7am, then patchy fog and showers and thunderstorms between 7am and noon. Some of the storms could produce heavy rain. Mostly cloudy. High near 80, with temperatures falling to around 77 in the afternoon. Northwest wind 0 to 5 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
Local Weather Overview
This forecast page for Coynes, 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 17, 2026 8:36 AM CDT.
The active forecast window currently covers Sep 17 to Sep 23, 2026 for Coynes, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 17 to Sep 23, 2026
- Latest sync
- Sep 17, 2026 8:36 AM CDT
- Forecast office
- LOT
- Source
- NOAA / NWS
Daily Outlook
This Week in Coynes
Saturday looks like the warmest upcoming period in Coynes at 84 degrees F.
Monday Night is the coolest period ahead with temperatures near 54 degrees F.
The strongest winds are forecast for Sunday at about 10 to 15 mph NNE.
Precipitation is mentioned in 9 upcoming forecast periods.
Forecast Details
- Last updated
- Sep 17, 2026 8:36 AM CDT
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- LOT
- Radar station
- KLOT
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly cloudy, with a low around 66. Northeast wind around 5 mph, with gusts as high as 15 mph.
Mostly cloudy. High near 76, with temperatures falling to around 74 in the afternoon. East northeast wind 5 to 10 mph, with gusts as high as 20 mph.
A chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 65. East southeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.
Showers and thunderstorms likely. Mostly cloudy, with a high near 84. South southeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.
Showers and thunderstorms likely. Mostly cloudy, with a low around 66. Chance of precipitation is 70%.
Showers and thunderstorms likely. Mostly cloudy, with a high near 73.
A chance of rain showers before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 58.
Showers and thunderstorms likely. Mostly cloudy, with a high near 68.
A chance of showers and thunderstorms before 1am, then a slight chance of showers and thunderstorms. Mostly cloudy, with a low around 54.
A slight chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 70.
Mostly cloudy, with a low around 55.
Mostly sunny, with a high near 74.
Partly cloudy, with a low around 57.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Today
Sep 17
|
Patchy Fog then Mostly Cloudy
|
80°F |
0 to 5 mph
NW
|
|
Tonight
Sep 17
|
Mostly Cloudy
|
66°F |
5 mph
NE
|
|
Friday
Sep 18
|
Mostly Cloudy
|
76°F |
5 to 10 mph
ENE
|
|
Friday Night
Sep 18
|
Mostly Cloudy then Chance Showers And Thunderstorms
|
65°F |
10 mph
ESE
|
|
Saturday
Sep 19
|
Showers And Thunderstorms Likely
|
84°F |
10 mph
SSE
|
|
Saturday Night
Sep 19
|
Showers And Thunderstorms Likely
|
66°F |
5 to 10 mph
NNE
|
|
Sunday
Sep 20
|
Showers And Thunderstorms Likely
|
73°F |
10 to 15 mph
NNE
|
|
Sunday Night
Sep 20
|
Chance Showers And Thunderstorms
|
58°F |
10 to 15 mph
ENE
|
|
Monday
Sep 21
|
Showers And Thunderstorms Likely
|
68°F |
10 mph
ENE
|
|
Monday Night
Sep 21
|
Chance Showers And Thunderstorms
|
54°F |
10 to 15 mph
ENE
|
|
Tuesday
Sep 22
|
Slight Chance Showers And Thunderstorms
|
70°F |
10 mph
NE
|
|
Tuesday Night
Sep 22
|
Mostly Cloudy
|
55°F |
5 to 10 mph
NNE
|
|
Wednesday
Sep 23
|
Mostly Sunny
|
74°F |
5 mph
NNE
|
|
Wednesday Night
Sep 23
|
Partly Cloudy
|
57°F |
0 to 5 mph
NE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Coynes.