Forest City, IL Weather Forecast
Local 7-day forecast
Partly Cloudy
Track current conditions, temperature changes, wind, and the full daily outlook for Forest City, IL in one place.
Partly cloudy, with a low around 69. South wind around 12 mph, with gusts as high as 25 mph.
Local Weather Overview
This forecast page for Forest City, 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 5:02 AM CDT.
The active forecast window currently covers Sep 15 to Sep 21, 2026 for Forest City, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 15 to Sep 21, 2026
- Latest sync
- Sep 15, 2026 5:02 AM CDT
- Forecast office
- ILX
- Source
- NOAA / NWS
Daily Outlook
This Week in Forest City
Tuesday looks like the warmest upcoming period in Forest City at 90 degrees F.
Sunday Night is the coolest period ahead with temperatures near 58 degrees F.
The strongest winds are forecast for Overnight at about 12 mph S.
Precipitation is mentioned in 13 upcoming forecast periods.
Forecast Details
- Last updated
- Sep 15, 2026 5:02 AM CDT
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- ILX
- Radar station
- KILX
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 between 7am and 1pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 90. West southwest wind 3 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
A chance of showers and thunderstorms before 8pm, then showers and thunderstorms likely. Mostly cloudy, with a low around 66. North northeast wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
A chance of showers and thunderstorms before 1pm, then a slight chance of showers and thunderstorms between 1pm and 4pm. Partly sunny, with a high near 84. East northeast wind around 5 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.
A slight chance of showers and thunderstorms between 7pm and 1am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 70. East wind around 2 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible.
A chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 88. West northwest wind around 3 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible.
A chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 67. Northeast wind around 3 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
A chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms between 7am and 1pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 86. Chance of precipitation is 40%.
A slight chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 68.
A slight chance of rain showers between 7am and 1pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 86.
Showers and thunderstorms likely. Mostly cloudy, with a low around 65.
Rain showers likely before 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 77.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 58.
A slight chance of rain showers. Mostly sunny, with a high near 73.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
Sep 15
|
Partly Cloudy
|
69°F |
12 mph
S
|
|
Tuesday
Sep 15
|
Chance Showers And Thunderstorms
|
90°F |
3 to 10 mph
WSW
|
|
Tuesday Night
Sep 15
|
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
|
66°F |
5 mph
NNE
|
|
Wednesday
Sep 16
|
Chance Showers And Thunderstorms
|
84°F |
5 mph
ENE
|
|
Wednesday Night
Sep 16
|
Slight Chance Showers And Thunderstorms
|
70°F |
2 mph
E
|
|
Thursday
Sep 17
|
Chance Showers And Thunderstorms
|
88°F |
3 mph
WNW
|
|
Thursday Night
Sep 17
|
Partly Cloudy then Chance Showers And Thunderstorms
|
67°F |
3 mph
NE
|
|
Friday
Sep 18
|
Chance Showers And Thunderstorms
|
86°F |
5 mph
ESE
|
|
Friday Night
Sep 18
|
Slight Chance Showers And Thunderstorms then Partly Cloudy
|
68°F |
6 mph
SE
|
|
Saturday
Sep 19
|
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
|
86°F |
6 to 9 mph
SW
|
|
Saturday Night
Sep 19
|
Showers And Thunderstorms Likely
|
65°F |
6 mph
WNW
|
|
Sunday
Sep 20
|
Rain Showers Likely
|
77°F |
3 to 7 mph
N
|
|
Sunday Night
Sep 20
|
Chance Showers And Thunderstorms
|
58°F |
6 mph
NNE
|
|
Monday
Sep 21
|
Slight Chance Rain Showers
|
73°F |
5 to 8 mph
NNE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Forest City.