Henderson, IL Weather Forecast
Local 7-day forecast
Mostly Clear
Track current conditions, temperature changes, wind, and the full daily outlook for Henderson, IL in one place.
Mostly clear, with a low around 68. South wind around 10 mph.
Local Weather Overview
This forecast page for Henderson, 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 15, 2026 6:04 AM CDT.
The active forecast window currently covers Sep 15 to Sep 21, 2026 for Henderson, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 15 to Sep 21, 2026
- Latest sync
- Sep 15, 2026 6:04 AM CDT
- Forecast office
- LSX
- Source
- NOAA / NWS
Daily Outlook
This Week in Henderson
Tuesday looks like the warmest upcoming period in Henderson at 97 degrees F.
Sunday Night is the coolest period ahead with temperatures near 59 degrees F.
The strongest winds are forecast for Sunday at about 5 to 12 mph NW.
Precipitation is mentioned in 9 upcoming forecast periods.
Forecast Details
- Last updated
- Sep 15, 2026 6:04 AM CDT
- Coverage
- 7 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 chance of showers and thunderstorms after 2pm. Sunny, with a high near 97. Heat index values as high as 103. Southwest wind 6 to 10 mph. Chance of precipitation is 50%.
Showers and thunderstorms likely. Mostly cloudy, with a low around 69. East wind around 3 mph. Chance of precipitation is 60%.
A chance of showers and thunderstorms before 10am. Partly sunny, with a high near 93. Heat index values as high as 101. Southeast wind around 3 mph. Chance of precipitation is 40%.
Partly cloudy, with a low around 72. South wind around 3 mph.
Sunny, with a high near 94.
Mostly clear, with a low around 69.
A slight chance of showers and thunderstorms after 1pm. Sunny, with a high near 92. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 69. Chance of precipitation is 20%.
Mostly sunny, with a high near 92.
A chance of showers and thunderstorms after 7pm. Partly cloudy, with a low around 66. Chance of precipitation is 30%.
A chance of showers and thunderstorms. Partly sunny, with a high near 82. Chance of precipitation is 30%.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 59. Chance of precipitation is 30%.
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 77. Chance of precipitation is 20%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
Sep 15
|
Mostly Clear
|
68°F |
10 mph
S
|
|
Tuesday
Sep 15
|
Sunny then Chance Showers And Thunderstorms
|
97°F |
6 to 10 mph
SW
|
|
Tuesday Night
Sep 15
|
Showers And Thunderstorms Likely
|
69°F |
3 mph
E
|
|
Wednesday
Sep 16
|
Chance Showers And Thunderstorms then Partly Sunny
|
93°F |
3 mph
SE
|
|
Wednesday Night
Sep 16
|
Partly Cloudy
|
72°F |
3 mph
S
|
|
Thursday
Sep 17
|
Sunny
|
94°F |
6 mph
W
|
|
Thursday Night
Sep 17
|
Mostly Clear
|
69°F |
2 mph
NE
|
|
Friday
Sep 18
|
Sunny then Slight Chance Showers And Thunderstorms
|
92°F |
5 mph
SE
|
|
Friday Night
Sep 18
|
Slight Chance Showers And Thunderstorms then Mostly Clear
|
69°F |
3 to 7 mph
SE
|
|
Saturday
Sep 19
|
Mostly Sunny
|
92°F |
7 to 10 mph
SW
|
|
Saturday Night
Sep 19
|
Chance Showers And Thunderstorms
|
66°F |
3 to 7 mph
W
|
|
Sunday
Sep 20
|
Chance Showers And Thunderstorms
|
82°F |
5 to 12 mph
NW
|
|
Sunday Night
Sep 20
|
Chance Showers And Thunderstorms
|
59°F |
6 to 12 mph
N
|
|
Monday
Sep 21
|
Slight Chance Showers And Thunderstorms
|
77°F |
7 to 12 mph
N
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Henderson.