Franklin County, IL Weather Forecast
County weather hub
Sunny then Slight Chance Showers And Thunderstorms
Compare major city weather across Franklin County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
A slight chance of showers and thunderstorms after 1pm. Sunny, with a high near 89. Northeast wind 3 to 9 mph. Chance of precipitation is 20%.
County Weather Overview
This county weather page brings together forecast coverage for Franklin County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 8 of 8 mapped cities in Franklin County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Jul 14 to Jul 18, 2026
- Latest sync
- Jul 11, 2026 9:39 PM CDT
- Forecast office
- PAH
- Source
- NOAA / NWS
Daily Outlook
This Week in Franklin County
Saturday looks like the warmest upcoming period in Franklin County 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 3 to 9 mph NE.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 11, 2026 9:39 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 slight chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 71. Northeast wind 0 to 7 mph.
A slight chance of showers and thunderstorms after 1pm. Sunny, with a high near 91. Southeast wind 0 to 5 mph.
A slight chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 72. South wind 0 to 3 mph.
Sunny, with a high near 92. West wind 0 to 5 mph.
Mostly clear, with a low around 73. Southwest wind around 3 mph.
Sunny, with a high near 93. West wind 2 to 7 mph.
Mostly clear, with a low around 74. Southwest wind 1 to 5 mph.
Sunny, with a high near 94. West southwest wind 3 to 7 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Jul 14
|
Sunny then Slight Chance Showers And Thunderstorms
|
89°F |
3 to 9 mph
NE
|
|
Tuesday Night
Jul 14
|
Slight Chance Showers And Thunderstorms then Partly Cloudy
|
71°F |
0 to 7 mph
NE
|
|
Wednesday
Jul 15
|
Sunny then Slight Chance Showers And Thunderstorms
|
91°F |
0 to 5 mph
SE
|
|
Wednesday Night
Jul 15
|
Slight Chance Showers And Thunderstorms then Mostly Clear
|
72°F |
0 to 3 mph
S
|
|
Thursday
Jul 16
|
Sunny
|
92°F |
0 to 5 mph
W
|
|
Thursday Night
Jul 16
|
Mostly Clear
|
73°F |
3 mph
SW
|
|
Friday
Jul 17
|
Sunny
|
93°F |
2 to 7 mph
W
|
|
Friday Night
Jul 17
|
Mostly Clear
|
74°F |
1 to 5 mph
SW
|
|
Saturday
Jul 18
|
Sunny
|
94°F |
3 to 7 mph
WSW
|
Major City Forecasts
Live forecast snapshots for major cities across Franklin County.
Coverage
Forecast coverage currently spans 8 of 8 mapped cities in Franklin County.
Largest mapped city population in this region: 19,411.
