Dunn, IL Weather Forecast
Local 7-day forecast
Showers And Thunderstorms Likely
Track current conditions, temperature changes, wind, and the full daily outlook for Dunn, IL in one place.
Showers and thunderstorms likely before 1pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 92. Southeast wind around 6 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
Local Weather Overview
This forecast page for Dunn, 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 14, 2026 2:38 PM CDT.
The active forecast window currently covers Sep 16 to Sep 20, 2026 for Dunn, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 16 to Sep 20, 2026
- Latest sync
- Sep 14, 2026 2:38 PM CDT
- Forecast office
- ILX
- Source
- NOAA / NWS
Daily Outlook
This Week in Dunn
Wednesday looks like the warmest upcoming period in Dunn at 92 degrees F.
Sunday Night is the coolest period ahead with temperatures near 64 degrees F.
The strongest winds are forecast for Saturday at about 8 to 12 mph SW.
Precipitation is mentioned in 8 upcoming forecast periods.
Forecast Details
- Last updated
- Sep 14, 2026 2:38 PM CDT
- Coverage
- 5 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 slight chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 73. South southeast wind around 6 mph.
Mostly sunny, with a high near 92. West wind around 8 mph.
Partly cloudy, with a low around 70.
A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 89.
A slight chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 69.
A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88.
A chance of showers and thunderstorms. Partly cloudy, with a low around 67.
A chance of showers and thunderstorms. Mostly sunny, with a high near 84.
A chance of showers and thunderstorms before 7pm, then a slight chance of showers and thunderstorms. Partly cloudy, with a low around 64.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Sep 16
|
Showers And Thunderstorms Likely
|
92°F |
6 mph
SE
|
|
Wednesday Night
Sep 16
|
Slight Chance Showers And Thunderstorms then Partly Cloudy
|
73°F |
6 mph
SSE
|
|
Thursday
Sep 17
|
Mostly Sunny
|
92°F |
8 mph
W
|
|
Thursday Night
Sep 17
|
Partly Cloudy
|
70°F |
6 mph
NNE
|
|
Friday
Sep 18
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
89°F |
7 mph
E
|
|
Friday Night
Sep 18
|
Slight Chance Showers And Thunderstorms
|
69°F |
7 mph
SE
|
|
Saturday
Sep 19
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
88°F |
8 to 12 mph
SW
|
|
Saturday Night
Sep 19
|
Chance Showers And Thunderstorms
|
67°F |
6 to 9 mph
SSW
|
|
Sunday
Sep 20
|
Chance Showers And Thunderstorms
|
84°F |
7 to 10 mph
E
|
|
Sunday Night
Sep 20
|
Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
|
64°F |
6 to 10 mph
E
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Dunn.