Franklin County, IL Weather Forecast
County weather hub
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 chance of showers and thunderstorms before 1pm, then a slight chance of showers and thunderstorms. Mostly cloudy, with a high near 82. South southwest wind 14 to 20 mph, with gusts as high as 28 mph.
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
- Apr 13 to Apr 15, 2026
- Latest sync
- Apr 9, 2026 4:46 AM CDT
- Forecast office
- PAH
- Source
- NOAA / NWS
Daily Outlook
This Week in Franklin County
Tuesday looks like the warmest upcoming period in Franklin County at 84 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 65 degrees F.
The strongest winds are forecast for Monday at about 14 to 20 mph SSW.
Precipitation is mentioned in 5 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 9, 2026 4:46 AM CDT
- Coverage
- 3 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. Mostly cloudy, with a low around 68. South southwest wind 12 to 15 mph, with gusts as high as 24 mph.
A slight chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms between 7am and 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 84. South southwest wind 13 to 18 mph, with gusts as high as 25 mph.
A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 65. South southwest wind 10 to 14 mph, with gusts as high as 22 mph.
A chance of showers and thunderstorms. Mostly cloudy, with a high near 79. Southwest wind 12 to 16 mph, with gusts as high as 22 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Monday
Apr 13
|
Chance Showers And Thunderstorms
|
82°F |
14 to 20 mph
SSW
|
|
Monday Night
Apr 13
|
Slight Chance Showers And Thunderstorms
|
68°F |
12 to 15 mph
SSW
|
|
Tuesday
Apr 14
|
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
|
84°F |
13 to 18 mph
SSW
|
|
Tuesday Night
Apr 14
|
Chance Showers And Thunderstorms
|
65°F |
10 to 14 mph
SSW
|
|
Wednesday
Apr 15
|
Chance Showers And Thunderstorms
|
79°F |
12 to 16 mph
SW
|
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.
