Mill Creek, IL Weather Forecast
Local 7-day forecast
Mostly Cloudy
Track current conditions, temperature changes, wind, and the full daily outlook for Mill Creek, IL in one place.
Mostly cloudy. Low around 70, with temperatures rising to around 72 overnight. South southwest wind around 10 mph.
Local Weather Overview
This forecast page for Mill Creek, 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: Apr 15, 2026 7:37 AM CDT.
The active forecast window currently covers Apr 15 to Apr 21, 2026 for Mill Creek, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 15 to Apr 21, 2026
- Latest sync
- Apr 15, 2026 7:37 AM CDT
- Forecast office
- PAH
- Source
- NOAA / NWS
Daily Outlook
This Week in Mill Creek
Friday looks like the warmest upcoming period in Mill Creek at 87 degrees F.
Sunday Night is the coolest period ahead with temperatures near 41 degrees F.
The strongest winds are forecast for Wednesday at about 10 to 16 mph SSW.
Precipitation is mentioned in 8 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 15, 2026 7:37 AM CDT
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- PAH
- Radar station
- KPAH
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Partly sunny, with a high near 85. South southwest wind 10 to 16 mph, with gusts as high as 28 mph.
A slight chance of rain showers between midnight and 1am, then a chance of showers and thunderstorms between 1am and 3am, then showers and thunderstorms likely between 3am and 5am, then a chance of showers and thunderstorms. Mostly cloudy. Low around 65, with temperatures rising to around 68 overnight. South southwest wind 8 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 70%.
A chance of showers and thunderstorms before 7am, then showers and thunderstorms. Partly sunny, with a high near 81. Southwest wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 80%.
Showers and thunderstorms likely before 7pm, then a slight chance of showers and thunderstorms between 7pm and 1am. Mostly clear, with a low around 62. South southwest wind 2 to 7 mph. Chance of precipitation is 70%.
A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 87. South wind 3 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
A chance of showers and thunderstorms. Partly cloudy, with a low around 62. South wind around 10 mph, with gusts as high as 20 mph.
A chance of showers and thunderstorms before 1pm, then showers and thunderstorms likely. Mostly cloudy, with a high near 74. West wind around 13 mph, with gusts as high as 24 mph.
Showers and thunderstorms likely. Partly cloudy, with a low around 42. Northwest wind 7 to 10 mph, with gusts as high as 20 mph.
A slight chance of rain showers before 7am. Sunny, with a high near 65. Northwest wind around 8 mph, with gusts as high as 18 mph.
Clear, with a low around 41. North northeast wind 2 to 7 mph.
Sunny, with a high near 71. South southeast wind 3 to 7 mph.
Partly cloudy, with a low around 49. South wind around 6 mph.
Sunny, with a high near 77. South southwest wind 6 to 10 mph, with gusts as high as 18 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
Apr 15
|
Mostly Cloudy
|
70°F |
10 mph
SSW
|
|
Wednesday
Apr 15
|
Partly Sunny
|
85°F |
10 to 16 mph
SSW
|
|
Wednesday Night
Apr 15
|
Mostly Cloudy then Chance Showers And Thunderstorms
|
65°F |
8 to 13 mph
SSW
|
|
Thursday
Apr 16
|
Chance Showers And Thunderstorms then Showers And Thunderstorms
|
81°F |
10 mph
SW
|
|
Thursday Night
Apr 16
|
Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms
|
62°F |
2 to 7 mph
SSW
|
|
Friday
Apr 17
|
Mostly Sunny then Chance Showers And Thunderstorms
|
87°F |
3 to 10 mph
S
|
|
Friday Night
Apr 17
|
Chance Showers And Thunderstorms
|
62°F |
10 mph
S
|
|
Saturday
Apr 18
|
Chance Showers And Thunderstorms
|
74°F |
13 mph
W
|
|
Saturday Night
Apr 18
|
Showers And Thunderstorms Likely
|
42°F |
7 to 10 mph
NW
|
|
Sunday
Apr 19
|
Slight Chance Rain Showers then Sunny
|
65°F |
8 mph
NW
|
|
Sunday Night
Apr 19
|
Clear
|
41°F |
2 to 7 mph
NNE
|
|
Monday
Apr 20
|
Sunny
|
71°F |
3 to 7 mph
SSE
|
|
Monday Night
Apr 20
|
Partly Cloudy
|
49°F |
6 mph
S
|
|
Tuesday
Apr 21
|
Sunny
|
77°F |
6 to 10 mph
SSW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Mill Creek.