Duncan Mills, IL Weather Forecast
Local 7-day forecast
Showers And Thunderstorms Likely
Track current conditions, temperature changes, wind, and the full daily outlook for Duncan Mills, IL in one place.
Showers and thunderstorms likely before 1pm, then a slight chance of showers and thunderstorms between 1pm and 2pm. Mostly cloudy, with a high near 85. East northeast wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.
Local Weather Overview
This forecast page for Duncan Mills, 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: Sep 15, 2026 1:51 PM CDT.
The active forecast window currently covers Sep 16 to Sep 21, 2026 for Duncan Mills, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 16 to Sep 21, 2026
- Latest sync
- Sep 15, 2026 1:51 PM CDT
- Forecast office
- ILX
- Source
- NOAA / NWS
Daily Outlook
This Week in Duncan Mills
Thursday looks like the warmest upcoming period in Duncan Mills at 89 degrees F.
Monday Night is the coolest period ahead with temperatures near 54 degrees F.
The strongest winds are forecast for Saturday at about 6 to 10 mph SW.
Precipitation is mentioned in 11 upcoming forecast periods.
Forecast Details
- Last updated
- Sep 15, 2026 1:51 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
A chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 70. East southeast wind around 2 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible.
A chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 89. West northwest wind around 3 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible.
A chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 68. Northeast wind around 3 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
A chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms between 7am and 1pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 87. East southeast wind around 6 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
A slight chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 69.
A slight chance of rain showers between 7am and 1pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 88. Chance of precipitation is 30%.
Showers and thunderstorms likely. Mostly cloudy, with a low around 65.
Rain showers likely before 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 77.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 57.
A slight chance of rain showers before 1pm. Partly sunny, with a high near 73.
Partly cloudy, with a low around 54.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Sep 16
|
Showers And Thunderstorms Likely
|
85°F |
5 mph
ENE
|
|
Wednesday Night
Sep 16
|
Partly Cloudy then Chance Showers And Thunderstorms
|
70°F |
2 mph
ESE
|
|
Thursday
Sep 17
|
Chance Showers And Thunderstorms
|
89°F |
3 mph
WNW
|
|
Thursday Night
Sep 17
|
Partly Cloudy then Chance Showers And Thunderstorms
|
68°F |
3 mph
NE
|
|
Friday
Sep 18
|
Chance Showers And Thunderstorms
|
87°F |
6 mph
ESE
|
|
Friday Night
Sep 18
|
Slight Chance Showers And Thunderstorms then Partly Cloudy
|
69°F |
6 mph
SE
|
|
Saturday
Sep 19
|
Chance Showers And Thunderstorms
|
88°F |
6 to 10 mph
SW
|
|
Saturday Night
Sep 19
|
Showers And Thunderstorms Likely
|
65°F |
6 mph
WNW
|
|
Sunday
Sep 20
|
Rain Showers Likely
|
77°F |
3 to 9 mph
N
|
|
Sunday Night
Sep 20
|
Chance Showers And Thunderstorms
|
57°F |
3 to 8 mph
NNE
|
|
Monday
Sep 21
|
Slight Chance Rain Showers
|
73°F |
5 to 9 mph
NNE
|
|
Monday Night
Sep 21
|
Partly Cloudy
|
54°F |
3 to 7 mph
NE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Duncan Mills.