Alexander County, IL Weather Forecast
County weather hub
Areas Of Fog
Compare major city weather across Alexander County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Areas of fog. Mostly cloudy. Low around 66, with temperatures rising to around 68 overnight. Northeast wind around 1 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
- May 30 to Jun 5, 2026
- Latest sync
- May 30, 2026 5:02 AM CDT
- Forecast office
- PAH
- Source
- NOAA / NWS
Daily Outlook
This Week in Alexander County
Monday looks like the warmest upcoming period in Alexander County at 86 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 59 degrees F.
The strongest winds are forecast for Tuesday at about 3 to 8 mph NE.
Precipitation is mentioned in 8 upcoming forecast periods.
Forecast Details
- Last updated
- May 30, 2026 5:02 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 before 9am, then a chance of showers and thunderstorms. Partly sunny. High near 83, with temperatures falling to around 81 in the afternoon. East northeast wind 1 to 6 mph. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 64. East northeast wind around 5 mph. Chance of precipitation is 30%.
A slight chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 82. East wind around 5 mph. Chance of precipitation is 20%.
A chance of showers and thunderstorms. Partly cloudy, with a low around 65. East northeast wind around 2 mph. Chance of precipitation is 40%.
Showers and thunderstorms likely before 1pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 86. North northeast wind 0 to 3 mph. Chance of precipitation is 60%.
A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms between 7pm and 1am. Mostly clear, with a low around 65. Northeast wind around 2 mph.
Sunny, with a high near 82. Northeast wind 3 to 8 mph.
Clear, with a low around 59. Northeast wind 2 to 8 mph.
Sunny, with a high near 80. East northeast wind around 6 mph.
Mostly clear, with a low around 60. East wind 0 to 5 mph.
Sunny, with a high near 82. Southeast wind 1 to 5 mph.
A slight chance of rain showers after 1am. Mostly clear, with a low around 65. South wind around 3 mph.
A slight chance of rain showers before 7am, then a chance of showers and thunderstorms. Mostly sunny, with a high near 85. South southwest wind 3 to 8 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
May 30
|
Areas Of Fog
|
66°F |
1 mph
NE
|
|
Saturday
May 30
|
Patchy Fog then Chance Showers And Thunderstorms
|
83°F |
1 to 6 mph
ENE
|
|
Saturday Night
May 30
|
Chance Showers And Thunderstorms then Partly Cloudy
|
64°F |
5 mph
ENE
|
|
Sunday
May 31
|
Mostly Cloudy then Slight Chance Showers And Thunderstorms
|
82°F |
5 mph
E
|
|
Sunday Night
May 31
|
Chance Showers And Thunderstorms
|
65°F |
2 mph
ENE
|
|
Monday
Jun 1
|
Showers And Thunderstorms Likely
|
86°F |
0 to 3 mph
NNE
|
|
Monday Night
Jun 1
|
Chance Showers And Thunderstorms
|
65°F |
2 mph
NE
|
|
Tuesday
Jun 2
|
Sunny
|
82°F |
3 to 8 mph
NE
|
|
Tuesday Night
Jun 2
|
Clear
|
59°F |
2 to 8 mph
NE
|
|
Wednesday
Jun 3
|
Sunny
|
80°F |
6 mph
ENE
|
|
Wednesday Night
Jun 3
|
Mostly Clear
|
60°F |
0 to 5 mph
E
|
|
Thursday
Jun 4
|
Sunny
|
82°F |
1 to 5 mph
SE
|
|
Thursday Night
Jun 4
|
Mostly Clear then Slight Chance Rain Showers
|
65°F |
3 mph
S
|
|
Friday
Jun 5
|
Slight Chance Rain Showers then Chance Showers And Thunderstorms
|
85°F |
3 to 8 mph
SSW
|
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.
