Millbrook, IL Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Millbrook, IL in one place.
Mostly sunny, with a high near 76. South wind around 5 mph, with gusts as high as 15 mph.
Local Weather Overview
This forecast page for Millbrook, 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 21, 2026 9:45 AM CDT.
The active forecast window currently covers Apr 22 to Apr 27, 2026 for Millbrook, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 22 to Apr 27, 2026
- Latest sync
- Apr 21, 2026 9:45 AM CDT
- Forecast office
- LOT
- Source
- NOAA / NWS
Daily Outlook
This Week in Millbrook
Thursday looks like the warmest upcoming period in Millbrook at 80 degrees F.
Saturday Night is the coolest period ahead with temperatures near 46 degrees F.
The strongest winds are forecast for Thursday at about 5 to 20 mph S.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 21, 2026 9:45 AM CDT
- Coverage
- 6 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
Partly cloudy, with a low around 57. South southeast wind around 5 mph, with gusts as high as 15 mph.
Mostly sunny, with a high near 80. South wind 5 to 20 mph, with gusts as high as 30 mph.
A slight chance of showers and thunderstorms between 7pm and 1am, then showers and thunderstorms likely. Mostly cloudy, with a low around 61. Chance of precipitation is 60%.
Showers and thunderstorms likely. Mostly cloudy, with a high near 74.
Showers and thunderstorms likely before 7pm, then a slight chance of showers and thunderstorms between 7pm and 1am. Partly cloudy, with a low around 49.
Mostly sunny, with a high near 67.
Partly cloudy, with a low around 46.
Mostly sunny, with a high near 68.
A chance of rain showers between 7pm and 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 50.
A chance of showers and thunderstorms. Mostly cloudy, with a high near 68.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 50.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Apr 22
|
Mostly Sunny
|
76°F |
5 mph
S
|
|
Wednesday Night
Apr 22
|
Partly Cloudy
|
57°F |
5 mph
SSE
|
|
Thursday
Apr 23
|
Mostly Sunny
|
80°F |
5 to 20 mph
S
|
|
Thursday Night
Apr 23
|
Slight Chance Showers And Thunderstorms
|
61°F |
15 mph
S
|
|
Friday
Apr 24
|
Showers And Thunderstorms Likely
|
74°F |
10 to 15 mph
SW
|
|
Friday Night
Apr 24
|
Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms
|
49°F |
10 mph
NW
|
|
Saturday
Apr 25
|
Mostly Sunny
|
67°F |
10 mph
NNE
|
|
Saturday Night
Apr 25
|
Partly Cloudy
|
46°F |
5 to 10 mph
NE
|
|
Sunday
Apr 26
|
Mostly Sunny
|
68°F |
5 to 10 mph
ENE
|
|
Sunday Night
Apr 26
|
Chance Rain Showers
|
50°F |
10 mph
E
|
|
Monday
Apr 27
|
Chance Showers And Thunderstorms
|
68°F |
10 to 15 mph
ESE
|
|
Monday Night
Apr 27
|
Chance Showers And Thunderstorms
|
50°F |
10 to 15 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Millbrook.