Frankfort, IL Weather Forecast
Local 7-day forecast
Sunny then Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Frankfort, IL in one place.
A chance of showers and thunderstorms after 1pm. Sunny, with a high near 89. Northeast wind 2 to 9 mph. Chance of precipitation is 30%.
Local Weather Overview
This forecast page for Frankfort, 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 11, 2026 10:18 PM CDT.
The active forecast window currently covers Jul 14 to Jul 18, 2026 for Frankfort, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 14 to Jul 18, 2026
- Latest sync
- Jul 11, 2026 10:18 PM CDT
- Forecast office
- PAH
- Source
- NOAA / NWS
Daily Outlook
This Week in Frankfort
Saturday looks like the warmest upcoming period in Frankfort at 94 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 71 degrees F.
The strongest winds are forecast for Tuesday at about 2 to 9 mph NE.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 11, 2026 10:18 PM CDT
- Coverage
- 5 days
- Time zone
- America/Chicago
- Forecast office
- PAH
- Radar station
- KPAH
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 before 7pm. Partly cloudy, with a low around 71. Northeast wind 0 to 6 mph.
A slight chance of showers and thunderstorms after 1pm. Sunny, with a high near 90. Southeast wind 0 to 3 mph.
A slight chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 72. West wind around 2 mph.
A slight chance of showers and thunderstorms after 1pm. Sunny, with a high near 92. West wind 0 to 5 mph.
A slight chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 73. West southwest wind 0 to 3 mph.
Sunny, with a high near 93. West wind 2 to 7 mph.
Mostly clear, with a low around 74. Southwest wind around 3 mph.
Sunny, with a high near 94. West southwest wind 2 to 7 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Jul 14
|
Sunny then Chance Showers And Thunderstorms
|
89°F |
2 to 9 mph
NE
|
|
Tuesday Night
Jul 14
|
Chance Showers And Thunderstorms then Partly Cloudy
|
71°F |
0 to 6 mph
NE
|
|
Wednesday
Jul 15
|
Sunny then Slight Chance Showers And Thunderstorms
|
90°F |
0 to 3 mph
SE
|
|
Wednesday Night
Jul 15
|
Slight Chance Showers And Thunderstorms then Mostly Clear
|
72°F |
2 mph
W
|
|
Thursday
Jul 16
|
Sunny then Slight Chance Showers And Thunderstorms
|
92°F |
0 to 5 mph
W
|
|
Thursday Night
Jul 16
|
Slight Chance Showers And Thunderstorms then Mostly Clear
|
73°F |
0 to 3 mph
WSW
|
|
Friday
Jul 17
|
Sunny
|
93°F |
2 to 7 mph
W
|
|
Friday Night
Jul 17
|
Mostly Clear
|
74°F |
3 mph
SW
|
|
Saturday
Jul 18
|
Sunny
|
94°F |
2 to 7 mph
WSW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Frankfort.