Alexander County, IL Weather Forecast
County weather hub
Sunny
Compare major city weather across Alexander County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Sunny, with a high near 61. North northeast wind 6 to 10 mph.
County Weather Overview
This county weather page brings together forecast coverage for Alexander County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 2 of 2 mapped cities in Alexander County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Oct 17 to Oct 22, 2026
- Latest sync
- Oct 16, 2026 1:42 AM CDT
- Forecast office
- PAH
- Source
- NOAA / NWS
Daily Outlook
This Week in Alexander County
Thursday looks like the warmest upcoming period in Alexander County at 80 degrees F.
Saturday Night is the coolest period ahead with temperatures near 38 degrees F.
The strongest winds are forecast for Saturday at about 6 to 10 mph NNE.
The forecast from Oct 17 through Oct 22 stays mostly dry.
Forecast Details
- Last updated
- Oct 16, 2026 1:42 AM CDT
- Coverage
- 6 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
Clear, with a low around 38. Northeast wind around 3 mph.
Sunny, with a high near 66. East southeast wind around 3 mph.
Mostly clear, with a low around 42. East southeast wind around 1 mph.
Sunny, with a high near 71. South southeast wind around 3 mph.
Mostly clear, with a low around 47. East northeast wind around 1 mph.
Sunny, with a high near 75. East northeast wind around 2 mph.
Mostly clear, with a low around 48. Northeast wind around 1 mph.
Sunny, with a high near 77. Northeast wind around 2 mph.
Clear, with a low around 50. Northeast wind around 1 mph.
Sunny, with a high near 80. East southeast wind 0 to 3 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Oct 17
|
Sunny
|
61°F |
6 to 10 mph
NNE
|
|
Saturday Night
Oct 17
|
Clear
|
38°F |
3 mph
NE
|
|
Sunday
Oct 18
|
Sunny
|
66°F |
3 mph
ESE
|
|
Sunday Night
Oct 18
|
Mostly Clear
|
42°F |
1 mph
ESE
|
|
Monday
Oct 19
|
Sunny
|
71°F |
3 mph
SSE
|
|
Monday Night
Oct 19
|
Mostly Clear
|
47°F |
1 mph
ENE
|
|
Tuesday
Oct 20
|
Sunny
|
75°F |
2 mph
ENE
|
|
Tuesday Night
Oct 20
|
Mostly Clear
|
48°F |
1 mph
NE
|
|
Wednesday
Oct 21
|
Sunny
|
77°F |
2 mph
NE
|
|
Wednesday Night
Oct 21
|
Clear
|
50°F |
1 mph
NE
|
|
Thursday
Oct 22
|
Sunny
|
80°F |
0 to 3 mph
ESE
|
Major City Forecasts
Live forecast snapshots for major cities across Alexander County.
Coverage
Forecast coverage currently spans 2 of 2 mapped cities in Alexander County.
Largest mapped city population in this region: 1,989.
