McDonough County, IL Weather Forecast
County weather hub
Sunny
Compare major city weather across McDonough County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Sunny, with a high near 82. Southeast wind 5 to 10 mph.
County Weather Overview
This county weather page brings together forecast coverage for McDonough 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 McDonough County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Jun 3 to Jun 8, 2026
- Latest sync
- Jun 2, 2026 1:37 AM CDT
- Forecast office
- DVN
- Source
- NOAA / NWS
Daily Outlook
This Week in McDonough County
Monday looks like the warmest upcoming period in McDonough County at 89 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 57 degrees F.
The strongest winds are forecast for Thursday at about 5 to 15 mph S.
Precipitation is mentioned in 8 upcoming forecast periods.
Forecast Details
- Last updated
- Jun 2, 2026 1:37 AM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- DVN
- Radar station
- KILX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly clear, with a low around 57.
Sunny, with a high near 86.
A slight chance of rain showers after 1am. Partly cloudy, with a low around 65.
A chance of rain showers before 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 87. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 1am, then showers and thunderstorms likely. Mostly cloudy, with a low around 66. Chance of precipitation is 60%.
Showers and thunderstorms likely before 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 87. Chance of precipitation is 60%.
A chance of showers and thunderstorms before 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms. Mostly sunny, with a high near 88. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Partly cloudy, with a low around 67. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 1pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 89. Chance of precipitation is 40%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Jun 3
|
Sunny
|
82°F |
5 to 10 mph
SE
|
|
Wednesday Night
Jun 3
|
Mostly Clear
|
57°F |
5 to 10 mph
S
|
|
Thursday
Jun 4
|
Sunny
|
86°F |
5 to 15 mph
S
|
|
Thursday Night
Jun 4
|
Partly Cloudy then Slight Chance Rain Showers
|
65°F |
5 to 15 mph
S
|
|
Friday
Jun 5
|
Chance Rain Showers then Chance Showers And Thunderstorms
|
87°F |
10 to 15 mph
S
|
|
Friday Night
Jun 5
|
Chance Showers And Thunderstorms
|
66°F |
5 to 10 mph
S
|
|
Saturday
Jun 6
|
Showers And Thunderstorms Likely
|
87°F |
5 to 10 mph
SW
|
|
Saturday Night
Jun 6
|
Chance Showers And Thunderstorms
|
66°F |
5 to 10 mph
S
|
|
Sunday
Jun 7
|
Chance Showers And Thunderstorms
|
88°F |
5 to 10 mph
SE
|
|
Sunday Night
Jun 7
|
Chance Showers And Thunderstorms
|
67°F |
5 to 10 mph
SE
|
|
Monday
Jun 8
|
Chance Showers And Thunderstorms
|
89°F |
5 to 10 mph
SE
|
Major City Forecasts
Live forecast snapshots for major cities across McDonough County.
Coverage
Forecast coverage currently spans 2 of 2 mapped cities in McDonough County.
Largest mapped city population in this region: 17,206.
