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 73. West southwest wind around 1 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: Jul 17, 2026 7:33 AM CDT.
The active forecast window currently covers Jul 17 to Jul 23, 2026 for Forest City, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 17 to Jul 23, 2026
- Latest sync
- Jul 17, 2026 7:33 AM CDT
- Forecast office
- ILX
- Source
- NOAA / NWS
Daily Outlook
This Week in Forest City
Saturday looks like the warmest upcoming period in Forest City at 92 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 61 degrees F.
The strongest winds are forecast for Saturday at about 6 to 10 mph W.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 17, 2026 7:33 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. Mostly sunny, with a high near 90. Heat index values as high as 100. West southwest wind 1 to 7 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
A chance of showers and thunderstorms before 11pm. Partly cloudy, with a low around 73. Southwest wind around 6 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
A chance of showers and thunderstorms after 3pm. Sunny, with a high near 92. Heat index values as high as 106. West wind 6 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch possible.
A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms between 7pm and 1am. Mostly clear, with a low around 69. North wind 1 to 7 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.
Sunny, with a high near 88. East northeast wind around 5 mph.
Mostly clear, with a low around 67. East southeast wind around 2 mph.
Mostly sunny, with a high near 92.
A slight chance of showers and thunderstorms after 7pm. Partly cloudy, with a low around 74.
A slight chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 89.
Mostly clear, with a low around 64.
Sunny, with a high near 82.
Mostly clear, with a low around 61.
Sunny, with a high near 82.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
Jul 17
|
Partly Cloudy
|
73°F |
1 mph
WSW
|
|
Friday
Jul 17
|
Chance Showers And Thunderstorms
|
90°F |
1 to 7 mph
WSW
|
|
Friday Night
Jul 17
|
Chance Showers And Thunderstorms then Partly Cloudy
|
73°F |
6 mph
SW
|
|
Saturday
Jul 18
|
Sunny then Chance Showers And Thunderstorms
|
92°F |
6 to 10 mph
W
|
|
Saturday Night
Jul 18
|
Chance Showers And Thunderstorms
|
69°F |
1 to 7 mph
N
|
|
Sunday
Jul 19
|
Sunny
|
88°F |
5 mph
ENE
|
|
Sunday Night
Jul 19
|
Mostly Clear
|
67°F |
2 mph
ESE
|
|
Monday
Jul 20
|
Mostly Sunny
|
92°F |
3 to 7 mph
S
|
|
Monday Night
Jul 20
|
Slight Chance Showers And Thunderstorms
|
74°F |
6 mph
SW
|
|
Tuesday
Jul 21
|
Slight Chance Showers And Thunderstorms then Mostly Sunny
|
89°F |
6 to 10 mph
WNW
|
|
Tuesday Night
Jul 21
|
Mostly Clear
|
64°F |
3 to 9 mph
N
|
|
Wednesday
Jul 22
|
Sunny
|
82°F |
6 mph
NNE
|
|
Wednesday Night
Jul 22
|
Mostly Clear
|
61°F |
1 to 5 mph
NE
|
|
Thursday
Jul 23
|
Sunny
|
82°F |
3 mph
ESE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Forest City.