Mackinaw, IL Weather Forecast
Local 7-day forecast
Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Mackinaw, IL in one place.
Rain showers before 7am, then showers and thunderstorms. Mostly cloudy, with a high near 73. Southeast wind around 8 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Local Weather Overview
This forecast page for Mackinaw, IL is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Oct 13, 2026 11:12 PM CDT.
The active forecast window currently covers Oct 15 to Oct 20, 2026 for Mackinaw, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 15 to Oct 20, 2026
- Latest sync
- Oct 13, 2026 11:12 PM CDT
- Forecast office
- ILX
- Source
- NOAA / NWS
Daily Outlook
This Week in Mackinaw
Tuesday looks like the warmest upcoming period in Mackinaw at 75 degrees F.
Friday Night is the coolest period ahead with temperatures near 33 degrees F.
The strongest winds are forecast for Friday at about 18 to 23 mph NNW.
Precipitation is mentioned in 2 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 13, 2026 11:12 PM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- ILX
- Radar station
- KILX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Showers and thunderstorms before 1am. Mostly cloudy, with a low around 46. West northwest wind 9 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Mostly sunny, with a high near 59. North northwest wind 18 to 23 mph, with gusts as high as 33 mph.
Areas of frost after 5am. Mostly clear, with a low around 33. North wind 1 to 15 mph, with gusts as high as 23 mph.
Areas of frost before 8am. Sunny, with a high near 61.
Clear, with a low around 38.
Sunny, with a high near 68.
Partly cloudy, with a low around 45.
Partly sunny, with a high near 69.
Mostly cloudy, with a low around 47.
Mostly sunny, with a high near 75.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Thursday
Oct 15
|
Showers And Thunderstorms
|
73°F |
8 mph
SE
|
|
Thursday Night
Oct 15
|
Showers And Thunderstorms
|
46°F |
9 to 18 mph
WNW
|
|
Friday
Oct 16
|
Mostly Sunny
|
59°F |
18 to 23 mph
NNW
|
|
Friday Night
Oct 16
|
Mostly Clear then Areas Of Frost
|
33°F |
1 to 15 mph
N
|
|
Saturday
Oct 17
|
Areas Of Frost then Sunny
|
61°F |
0 to 5 mph
SSW
|
|
Saturday Night
Oct 17
|
Clear
|
38°F |
6 mph
S
|
|
Sunday
Oct 18
|
Sunny
|
68°F |
7 to 13 mph
S
|
|
Sunday Night
Oct 18
|
Partly Cloudy
|
45°F |
6 to 9 mph
S
|
|
Monday
Oct 19
|
Partly Sunny
|
69°F |
7 mph
SSW
|
|
Monday Night
Oct 19
|
Mostly Cloudy
|
47°F |
3 mph
S
|
|
Tuesday
Oct 20
|
Mostly Sunny
|
75°F |
2 to 6 mph
SSE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Mackinaw.
