Frankfort Square, IL Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Frankfort Square, IL in one place.
Sunny, with a high near 93. Heat index values as high as 101. West wind 5 to 10 mph.
Local Weather Overview
This forecast page for Frankfort Square, 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 14, 2026 10:26 PM CDT.
The active forecast window currently covers Jul 15 to Jul 21, 2026 for Frankfort Square, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 15 to Jul 21, 2026
- Latest sync
- Jul 14, 2026 10:26 PM CDT
- Forecast office
- LOT
- Source
- NOAA / NWS
Daily Outlook
This Week in Frankfort Square
Wednesday looks like the warmest upcoming period in Frankfort Square at 93 degrees F.
Sunday Night is the coolest period ahead with temperatures near 68 degrees F.
The strongest winds are forecast for Saturday at about 5 to 15 mph WSW.
Precipitation is mentioned in 10 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 14, 2026 10:26 PM 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
Partly cloudy, with a low around 74. Heat index values as high as 99. West wind around 5 mph.
A slight chance of rain showers between 1pm and 4pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 91. Heat index values as high as 98. West northwest wind around 5 mph. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 72. East northeast wind 0 to 5 mph. Chance of precipitation is 20%.
A chance of showers and thunderstorms between 7am and 10am, then showers and thunderstorms likely. Mostly sunny, with a high near 89. Chance of precipitation is 60%.
Showers and thunderstorms likely before 1am. Partly cloudy, with a low around 71.
A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 90.
A chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 70.
Mostly sunny, with a high near 86.
A slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 68.
A slight chance of showers and thunderstorms before 1pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 87.
A chance of showers and thunderstorms. Partly cloudy, with a low around 68.
A slight chance of rain showers before 1pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 83.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Jul 15
|
Sunny
|
93°F |
5 to 10 mph
W
|
|
Wednesday Night
Jul 15
|
Partly Cloudy
|
74°F |
5 mph
W
|
|
Thursday
Jul 16
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
91°F |
5 mph
WNW
|
|
Thursday Night
Jul 16
|
Slight Chance Showers And Thunderstorms then Partly Cloudy
|
72°F |
0 to 5 mph
ENE
|
|
Friday
Jul 17
|
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
|
89°F |
0 to 5 mph
SW
|
|
Friday Night
Jul 17
|
Showers And Thunderstorms Likely
|
71°F |
5 mph
SW
|
|
Saturday
Jul 18
|
Mostly Sunny then Chance Showers And Thunderstorms
|
90°F |
5 to 15 mph
WSW
|
|
Saturday Night
Jul 18
|
Chance Showers And Thunderstorms
|
70°F |
5 to 15 mph
NW
|
|
Sunday
Jul 19
|
Mostly Sunny
|
86°F |
5 to 10 mph
NNW
|
|
Sunday Night
Jul 19
|
Partly Cloudy then Slight Chance Showers And Thunderstorms
|
68°F |
5 to 10 mph
S
|
|
Monday
Jul 20
|
Slight Chance Showers And Thunderstorms
|
87°F |
5 to 15 mph
SW
|
|
Monday Night
Jul 20
|
Chance Showers And Thunderstorms
|
68°F |
10 to 15 mph
W
|
|
Tuesday
Jul 21
|
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
|
83°F |
10 to 15 mph
NW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Frankfort Square.