Frankfort Square, IL Weather Forecast
Local 7-day forecast
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Frankfort Square, IL in one place.
A slight chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms between 7am and 2pm, then a slight chance of showers and thunderstorms between 2pm and 3pm, then a chance of showers and thunderstorms between 3pm and 5pm. Partly sunny. High near 72, with temperatures falling to around 68 in the afternoon. West southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.
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: Apr 15, 2026 5:13 PM CDT.
The active forecast window currently covers Apr 16 to Apr 21, 2026 for Frankfort Square, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 16 to Apr 21, 2026
- Latest sync
- Apr 15, 2026 5:13 PM CDT
- Forecast office
- LOT
- Source
- NOAA / NWS
Daily Outlook
This Week in Frankfort Square
Friday looks like the warmest upcoming period in Frankfort Square at 80 degrees F.
Sunday Night is the coolest period ahead with temperatures near 34 degrees F.
The strongest winds are forecast for Saturday at about 15 to 20 mph W.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 15, 2026 5:13 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
Partly cloudy, with a low around 50. East northeast wind 5 to 10 mph.
Partly sunny, with a high near 80. South southeast wind 5 to 15 mph, with gusts as high as 25 mph.
Showers and thunderstorms after 7pm. Mostly cloudy, with a low around 49. Chance of precipitation is 90%.
Showers and thunderstorms. Partly sunny, with a high near 59.
A slight chance of rain showers before 7pm. Partly cloudy, with a low around 35.
Mostly sunny, with a high near 52.
Partly cloudy, with a low around 34.
Sunny, with a high near 61.
Mostly clear, with a low around 48.
Mostly sunny, with a high near 72.
Partly cloudy, with a low around 50.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Thursday
Apr 16
|
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
|
72°F |
10 to 15 mph
WSW
|
|
Thursday Night
Apr 16
|
Partly Cloudy
|
50°F |
5 to 10 mph
ENE
|
|
Friday
Apr 17
|
Partly Sunny
|
80°F |
5 to 15 mph
SSE
|
|
Friday Night
Apr 17
|
Showers And Thunderstorms
|
49°F |
15 mph
SSW
|
|
Saturday
Apr 18
|
Showers And Thunderstorms
|
59°F |
15 to 20 mph
W
|
|
Saturday Night
Apr 18
|
Slight Chance Rain Showers then Partly Cloudy
|
35°F |
10 to 20 mph
WNW
|
|
Sunday
Apr 19
|
Mostly Sunny
|
52°F |
10 to 15 mph
WNW
|
|
Sunday Night
Apr 19
|
Partly Cloudy
|
34°F |
5 to 15 mph
NNW
|
|
Monday
Apr 20
|
Sunny
|
61°F |
5 to 10 mph
ESE
|
|
Monday Night
Apr 20
|
Mostly Clear
|
48°F |
10 to 15 mph
S
|
|
Tuesday
Apr 21
|
Mostly Sunny
|
72°F |
15 to 20 mph
SW
|
|
Tuesday Night
Apr 21
|
Partly Cloudy
|
50°F |
10 to 15 mph
WSW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Frankfort Square.