Flossmoor, IL Weather Forecast
Local 7-day forecast
Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Flossmoor, IL in one place.
A chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 90. Heat index values as high as 101. West northwest wind 10 to 15 mph. Chance of precipitation is 50%.
Local Weather Overview
This forecast page for Flossmoor, 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 7:50 AM CDT.
The active forecast window currently covers Jul 18 to Jul 23, 2026 for Flossmoor, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 18 to Jul 23, 2026
- Latest sync
- Jul 17, 2026 7:50 AM CDT
- Forecast office
- LOT
- Source
- NOAA / NWS
Daily Outlook
This Week in Flossmoor
Saturday looks like the warmest upcoming period in Flossmoor at 90 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 60 degrees F.
The strongest winds are forecast for Saturday at about 10 to 15 mph WNW.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 17, 2026 7:50 AM 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
A slight chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 67. North northeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Sunny, with a high near 84.
Mostly clear, with a low around 65.
Mostly sunny, with a high near 87.
A chance of showers and thunderstorms after 7pm. Partly cloudy, with a low around 71.
A chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 86.
Partly cloudy, with a low around 64.
Sunny, with a high near 79.
Mostly clear, with a low around 60.
Sunny, with a high near 80.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Jul 18
|
Chance Showers And Thunderstorms
|
90°F |
10 to 15 mph
WNW
|
|
Saturday Night
Jul 18
|
Slight Chance Showers And Thunderstorms then Mostly Clear
|
67°F |
5 to 10 mph
NNE
|
|
Sunday
Jul 19
|
Sunny
|
84°F |
5 mph
NE
|
|
Sunday Night
Jul 19
|
Mostly Clear
|
65°F |
0 to 5 mph
ESE
|
|
Monday
Jul 20
|
Mostly Sunny
|
87°F |
5 to 15 mph
SSW
|
|
Monday Night
Jul 20
|
Chance Showers And Thunderstorms
|
71°F |
10 to 15 mph
SW
|
|
Tuesday
Jul 21
|
Chance Showers And Thunderstorms then Mostly Sunny
|
86°F |
10 to 15 mph
WNW
|
|
Tuesday Night
Jul 21
|
Partly Cloudy
|
64°F |
10 to 15 mph
NNW
|
|
Wednesday
Jul 22
|
Sunny
|
79°F |
10 mph
N
|
|
Wednesday Night
Jul 22
|
Mostly Clear
|
60°F |
0 to 10 mph
NNW
|
|
Thursday
Jul 23
|
Sunny
|
80°F |
0 to 5 mph
WNW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Flossmoor.
