Miller, IL Weather Forecast
Local 7-day forecast
Sunny then Slight Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Miller, IL in one place.
A slight chance of showers and thunderstorms after 1pm. Sunny, with a high near 91. Heat index values as high as 100. Northeast wind 0 to 5 mph. Chance of precipitation is 20%.
Local Weather Overview
This forecast page for Miller, 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: Jul 13, 2026 11:00 PM CDT.
The active forecast window currently covers Jul 15 to Jul 20, 2026 for Miller, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 15 to Jul 20, 2026
- Latest sync
- Jul 13, 2026 11:00 PM CDT
- Forecast office
- LSX
- Source
- NOAA / NWS
Daily Outlook
This Week in Miller
Saturday looks like the warmest upcoming period in Miller at 95 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 72 degrees F.
The strongest winds are forecast for Saturday at about 6 to 10 mph W.
Precipitation is mentioned in 10 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 13, 2026 11:00 PM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- LSX
- Radar station
- KLSX
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. Mostly clear, with a low around 72. Southeast wind 0 to 3 mph. Chance of precipitation is 20%.
A chance of showers and thunderstorms after 1pm. Sunny, with a high near 92. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 74. Chance of precipitation is 30%.
A slight chance of showers and thunderstorms after 7am. Sunny, with a high near 93. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 75. Chance of precipitation is 20%.
Sunny, with a high near 95.
A slight chance of showers and thunderstorms after 1am. Mostly clear, with a low around 75. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms before 7am. Sunny, with a high near 93. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms after 7pm. Mostly clear, with a low around 72. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 90. Chance of precipitation is 20%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Jul 15
|
Sunny then Slight Chance Showers And Thunderstorms
|
91°F |
0 to 5 mph
NE
|
|
Wednesday Night
Jul 15
|
Slight Chance Showers And Thunderstorms then Mostly Clear
|
72°F |
0 to 3 mph
SE
|
|
Thursday
Jul 16
|
Sunny then Chance Showers And Thunderstorms
|
92°F |
0 to 5 mph
SW
|
|
Thursday Night
Jul 16
|
Chance Showers And Thunderstorms then Mostly Clear
|
74°F |
1 to 5 mph
SW
|
|
Friday
Jul 17
|
Slight Chance Showers And Thunderstorms
|
93°F |
2 to 8 mph
W
|
|
Friday Night
Jul 17
|
Slight Chance Showers And Thunderstorms then Partly Cloudy
|
75°F |
2 to 7 mph
W
|
|
Saturday
Jul 18
|
Sunny
|
95°F |
6 to 10 mph
W
|
|
Saturday Night
Jul 18
|
Mostly Clear then Slight Chance Showers And Thunderstorms
|
75°F |
5 to 9 mph
W
|
|
Sunday
Jul 19
|
Slight Chance Showers And Thunderstorms then Sunny
|
93°F |
6 to 10 mph
NW
|
|
Sunday Night
Jul 19
|
Slight Chance Showers And Thunderstorms
|
72°F |
5 to 9 mph
W
|
|
Monday
Jul 20
|
Slight Chance Showers And Thunderstorms then Mostly Sunny
|
90°F |
5 to 9 mph
W
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Miller.