Jackson County, IL Weather Forecast
County weather hub
Areas Of Fog
Compare major city weather across Jackson County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Areas of fog and a slight chance of showers and thunderstorms before 5am, then patchy fog and a chance of showers and thunderstorms. Mostly cloudy. Low around 66, with temperatures rising to around 70 overnight. Northeast wind around 1 mph. Chance of precipitation is 40%.
County Weather Overview
This county weather page brings together forecast coverage for Jackson County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 1 of 1 mapped cities in Jackson County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Oct 15 to Oct 21, 2026
- Latest sync
- Oct 15, 2026 3:31 AM CDT
- Forecast office
- PAH
- Source
- NOAA / NWS
Daily Outlook
This Week in Jackson County
Thursday looks like the warmest upcoming period in Jackson County at 87 degrees F.
Saturday Night is the coolest period ahead with temperatures near 35 degrees F.
The strongest winds are forecast for Friday at about 15 to 20 mph NW.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 15, 2026 3:31 AM CDT
- Coverage
- 7 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
Patchy fog and a chance of showers and thunderstorms before 8am, then showers and thunderstorms likely between 8am and 9am, then a chance of showers and thunderstorms. Partly sunny. High near 87, with temperatures falling to around 85 in the afternoon. South wind 1 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.
A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms between 7pm and 9pm, then a slight chance of showers and thunderstorms between 9pm and 10pm, then showers and thunderstorms likely. Mostly cloudy. Low around 49, with temperatures rising to around 55 overnight. West wind 7 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 70%.
A slight chance of rain showers before 7am. Partly sunny, with a high near 58. Northwest wind 15 to 20 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.
Mostly cloudy, with a low around 40. North northwest wind 10 to 16 mph, with gusts as high as 23 mph.
Sunny, with a high near 60. North wind 6 to 10 mph.
Clear, with a low around 35. East northeast wind around 3 mph.
Sunny, with a high near 66. Southeast wind 1 to 5 mph.
Clear, with a low around 39. Southeast wind around 2 mph.
Sunny, with a high near 71. South southeast wind 1 to 5 mph.
Partly cloudy, with a low around 42. East northeast wind around 2 mph.
Sunny, with a high near 73. East wind around 2 mph.
Mostly clear, with a low around 45. East northeast wind around 1 mph.
Sunny, with a high near 77. Southeast wind 0 to 3 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
Oct 15
|
Areas Of Fog
|
66°F |
1 mph
NE
|
|
Thursday
Oct 15
|
Patchy Fog
|
87°F |
1 to 13 mph
S
|
|
Thursday Night
Oct 15
|
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
|
49°F |
7 to 15 mph
W
|
|
Friday
Oct 16
|
Slight Chance Rain Showers then Partly Sunny
|
58°F |
15 to 20 mph
NW
|
|
Friday Night
Oct 16
|
Mostly Cloudy
|
40°F |
10 to 16 mph
NNW
|
|
Saturday
Oct 17
|
Sunny
|
60°F |
6 to 10 mph
N
|
|
Saturday Night
Oct 17
|
Clear
|
35°F |
3 mph
ENE
|
|
Sunday
Oct 18
|
Sunny
|
66°F |
1 to 5 mph
SE
|
|
Sunday Night
Oct 18
|
Clear
|
39°F |
2 mph
SE
|
|
Monday
Oct 19
|
Sunny
|
71°F |
1 to 5 mph
SSE
|
|
Monday Night
Oct 19
|
Partly Cloudy
|
42°F |
2 mph
ENE
|
|
Tuesday
Oct 20
|
Sunny
|
73°F |
2 mph
E
|
|
Tuesday Night
Oct 20
|
Mostly Clear
|
45°F |
1 mph
ENE
|
|
Wednesday
Oct 21
|
Sunny
|
77°F |
0 to 3 mph
SE
|
Major City Forecasts
Live forecast snapshots for major cities across Jackson County.
Coverage
Forecast coverage currently spans 1 of 1 mapped cities in Jackson County.
Largest mapped city population in this region: 25,036.