Deer Run, IL Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Deer Run, IL in one place.
Mostly sunny, with a high near 86. West wind around 10 mph, with gusts as high as 20 mph.
Local Weather Overview
This forecast page for Deer Run, 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: Jun 9, 2026 6:39 PM CDT.
The active forecast window currently covers Jun 9 to Jun 15, 2026 for Deer Run, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jun 9 to Jun 15, 2026
- Latest sync
- Jun 9, 2026 6:39 PM CDT
- Forecast office
- LOT
- Source
- NOAA / NWS
Daily Outlook
This Week in Deer Run
Wednesday looks like the warmest upcoming period in Deer Run at 90 degrees F.
Monday Night is the coolest period ahead with temperatures near 52 degrees F.
The strongest winds are forecast for Wednesday at about 5 to 20 mph SSW.
Precipitation is mentioned in 10 upcoming forecast periods.
Forecast Details
- Last updated
- Jun 9, 2026 6:39 PM CDT
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- LOT
- Radar station
- KLOT
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 3am. Partly cloudy, with a low around 67. South wind 0 to 10 mph. Chance of precipitation is 30%.
A chance of showers and thunderstorms. Partly sunny. High near 90, with temperatures falling to around 88 in the afternoon. Heat index values as high as 99. South southwest wind 5 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.
Showers and thunderstorms likely before 4am. Mostly cloudy, with a low around 69. Southwest wind 10 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 70%.
A slight chance of rain showers between 7am and 10am, then a slight chance of showers and thunderstorms between 10am and 1pm, then showers and thunderstorms. Partly sunny, with a high near 87. South southwest wind 10 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 80%.
Showers and thunderstorms before 1am. Mostly cloudy, with a low around 59. Chance of precipitation is 90%.
Sunny, with a high near 76.
Clear, with a low around 58.
Sunny, with a high near 82.
A chance of showers and thunderstorms after 7pm. Partly cloudy, with a low around 60.
A chance of rain showers before 1pm, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 76.
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 54.
A slight chance of rain showers before 1pm, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 73.
A slight chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 52.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
This Afternoon
Jun 9
|
Mostly Sunny
|
86°F |
10 mph
W
|
|
Tonight
Jun 9
|
Partly Cloudy then Chance Showers And Thunderstorms
|
67°F |
0 to 10 mph
S
|
|
Wednesday
Jun 10
|
Chance Showers And Thunderstorms
|
90°F |
5 to 20 mph
SSW
|
|
Wednesday Night
Jun 10
|
Showers And Thunderstorms Likely
|
69°F |
10 to 20 mph
SW
|
|
Thursday
Jun 11
|
Slight Chance Showers And Thunderstorms
|
87°F |
10 to 20 mph
SSW
|
|
Thursday Night
Jun 11
|
Showers And Thunderstorms
|
59°F |
10 to 20 mph
WSW
|
|
Friday
Jun 12
|
Sunny
|
76°F |
10 to 15 mph
W
|
|
Friday Night
Jun 12
|
Clear
|
58°F |
5 to 15 mph
WSW
|
|
Saturday
Jun 13
|
Sunny
|
82°F |
5 to 15 mph
SW
|
|
Saturday Night
Jun 13
|
Chance Showers And Thunderstorms
|
60°F |
5 to 15 mph
W
|
|
Sunday
Jun 14
|
Chance Rain Showers then Slight Chance Showers And Thunderstorms
|
76°F |
10 mph
N
|
|
Sunday Night
Jun 14
|
Slight Chance Showers And Thunderstorms
|
54°F |
5 to 10 mph
N
|
|
Monday
Jun 15
|
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
|
73°F |
5 to 10 mph
NW
|
|
Monday Night
Jun 15
|
Slight Chance Showers And Thunderstorms then Partly Cloudy
|
52°F |
5 to 10 mph
WNW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Deer Run.