Crescent City, IL Weather Forecast
Local 7-day forecast
Mostly Sunny then Showers And Thunderstorms Likely
Track current conditions, temperature changes, wind, and the full daily outlook for Crescent City, IL in one place.
Showers and thunderstorms likely after 3pm. Mostly sunny. High near 89, with temperatures falling to around 86 in the afternoon. Heat index values as high as 99. West wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.
Local Weather Overview
This forecast page for Crescent 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 4:34 PM CDT.
The active forecast window currently covers Jul 18 to Jul 23, 2026 for Crescent City, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 18 to Jul 23, 2026
- Latest sync
- Jul 17, 2026 4:34 PM CDT
- Forecast office
- LOT
- Source
- NOAA / NWS
Daily Outlook
This Week in Crescent City
Saturday looks like the warmest upcoming period in Crescent City at 89 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 57 degrees F.
The strongest winds are forecast for Saturday at about 5 to 15 mph W.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 17, 2026 4:34 PM CDT
- Coverage
- 6 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
Showers and thunderstorms likely before 9pm, then patchy smoke. Partly cloudy, with a low around 64. North northeast wind 0 to 10 mph. Chance of precipitation is 60%.
Patchy smoke before 8am. Sunny, with a high near 82. East northeast wind 0 to 5 mph.
Mostly clear, with a low around 63.
Mostly sunny, with a high near 86.
A chance of showers and thunderstorms between 7pm and 1am, then showers and thunderstorms likely. Partly cloudy, with a low around 72.
Showers and thunderstorms likely before 7am, then a slight chance of showers and thunderstorms between 7am and 1pm. Mostly sunny, with a high near 88.
Mostly clear, with a low around 62.
Sunny, with a high near 76.
Mostly clear, with a low around 57.
Sunny, with a high near 80.
Mostly clear, with a low around 59.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Jul 18
|
Mostly Sunny then Showers And Thunderstorms Likely
|
89°F |
5 to 15 mph
W
|
|
Saturday Night
Jul 18
|
Showers And Thunderstorms Likely then Patchy Smoke
|
64°F |
0 to 10 mph
NNE
|
|
Sunday
Jul 19
|
Patchy Smoke then Sunny
|
82°F |
0 to 5 mph
ENE
|
|
Sunday Night
Jul 19
|
Mostly Clear
|
63°F |
0 mph
|
|
Monday
Jul 20
|
Mostly Sunny
|
86°F |
0 to 5 mph
S
|
|
Monday Night
Jul 20
|
Chance Showers And Thunderstorms
|
72°F |
5 to 10 mph
SSW
|
|
Tuesday
Jul 21
|
Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms
|
88°F |
10 to 15 mph
W
|
|
Tuesday Night
Jul 21
|
Mostly Clear
|
62°F |
5 to 10 mph
NW
|
|
Wednesday
Jul 22
|
Sunny
|
76°F |
5 to 10 mph
NNW
|
|
Wednesday Night
Jul 22
|
Mostly Clear
|
57°F |
0 to 5 mph
NW
|
|
Thursday
Jul 23
|
Sunny
|
80°F |
0 mph
|
|
Thursday Night
Jul 23
|
Mostly Clear
|
59°F |
0 mph
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Crescent City.