Massac County, IL Weather Forecast
County weather hub
Mostly Cloudy then Slight Chance Rain Showers
Compare major city weather across Massac County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
A slight chance of rain showers between 1am and 3am. Mostly cloudy. Low around 51, with temperatures rising to around 56 overnight. West southwest wind 5 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.
County Weather Overview
This county weather page brings together forecast coverage for Massac 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 Massac County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Oct 15 to Oct 22, 2026
- Latest sync
- Oct 15, 2026 9:48 PM CDT
- Forecast office
- PAH
- Source
- NOAA / NWS
Daily Outlook
This Week in Massac County
Thursday looks like the warmest upcoming period in Massac County at 80 degrees F.
Saturday Night is the coolest period ahead with temperatures near 36 degrees F.
The strongest winds are forecast for Friday at about 15 mph NW.
Precipitation is mentioned in 1 upcoming forecast period.
Forecast Details
- Last updated
- Oct 15, 2026 9:48 PM 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
Partly sunny. High near 61, with temperatures falling to around 58 in the afternoon. Northwest wind around 15 mph, with gusts as high as 23 mph.
Mostly cloudy. Low around 41, with temperatures rising to around 43 overnight. North northwest wind 8 to 13 mph, with gusts as high as 23 mph.
Sunny, with a high near 61. North northeast wind 6 to 9 mph.
Areas of frost after 5am. Clear, with a low around 36. Northeast wind around 3 mph.
Areas of frost before 8am. Sunny, with a high near 68. East southeast wind 1 to 5 mph.
Mostly clear, with a low around 40. East southeast wind around 1 mph.
Sunny, with a high near 71. South southeast wind around 3 mph.
Mostly clear, with a low around 44. Northeast wind around 1 mph.
Sunny, with a high near 75. East northeast wind around 2 mph.
Mostly clear, with a low around 45. Northeast wind around 1 mph.
Sunny, with a high near 77. Northeast wind around 2 mph.
Clear, with a low around 46. North northeast wind around 1 mph.
Sunny, with a high near 80. East southeast wind 0 to 3 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tonight
Oct 15
|
Mostly Cloudy then Slight Chance Rain Showers
|
51°F |
5 to 13 mph
WSW
|
|
Friday
Oct 16
|
Partly Sunny
|
61°F |
15 mph
NW
|
|
Friday Night
Oct 16
|
Mostly Cloudy
|
41°F |
8 to 13 mph
NNW
|
|
Saturday
Oct 17
|
Sunny
|
61°F |
6 to 9 mph
NNE
|
|
Saturday Night
Oct 17
|
Clear then Areas Of Frost
|
36°F |
3 mph
NE
|
|
Sunday
Oct 18
|
Areas Of Frost then Sunny
|
68°F |
1 to 5 mph
ESE
|
|
Sunday Night
Oct 18
|
Mostly Clear
|
40°F |
1 mph
ESE
|
|
Monday
Oct 19
|
Sunny
|
71°F |
3 mph
SSE
|
|
Monday Night
Oct 19
|
Mostly Clear
|
44°F |
1 mph
NE
|
|
Tuesday
Oct 20
|
Sunny
|
75°F |
2 mph
ENE
|
|
Tuesday Night
Oct 20
|
Mostly Clear
|
45°F |
1 mph
NE
|
|
Wednesday
Oct 21
|
Sunny
|
77°F |
2 mph
NE
|
|
Wednesday Night
Oct 21
|
Clear
|
46°F |
1 mph
NNE
|
|
Thursday
Oct 22
|
Sunny
|
80°F |
0 to 3 mph
ESE
|
Major City Forecasts
Live forecast snapshots for major cities across Massac County.
Coverage
Forecast coverage currently spans 1 of 1 mapped cities in Massac County.
Largest mapped city population in this region: 5,885.