Lake Summerset, IL Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Lake Summerset, IL in one place.
Mostly sunny. High near 59, with temperatures falling to around 54 in the afternoon. Southwest wind around 10 mph.
Local Weather Overview
This forecast page for Lake Summerset, 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: Nov 9, 2026 3:43 PM CST.
The active forecast window currently covers Nov 9 to Nov 15, 2026 for Lake Summerset, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Nov 9 to Nov 15, 2026
- Latest sync
- Nov 9, 2026 3:43 PM CST
- Forecast office
- LOT
- Source
- NOAA / NWS
Daily Outlook
This Week in Lake Summerset
Tuesday looks like the warmest upcoming period in Lake Summerset at 60 degrees F.
Friday Night is the coolest period ahead with temperatures near 24 degrees F.
The strongest winds are forecast for Thursday at about 15 to 20 mph N.
Precipitation is mentioned in 1 upcoming forecast period.
Forecast Details
- Last updated
- Nov 9, 2026 3:43 PM CST
- Coverage
- 8 days
- Time zone
- America/Chicago
- Forecast office
- LOT
- Radar station
- KMKX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly clear, with a low around 39. West wind 5 to 10 mph.
Mostly sunny. High near 60, with temperatures falling to around 53 in the afternoon. Northwest wind around 5 mph.
Mostly cloudy, with a low around 37. Southwest wind around 0 mph.
A chance of rain. Mostly cloudy, with a high near 52. Chance of precipitation is 40%.
Mostly cloudy, with a low around 33.
Partly sunny, with a high near 43.
Partly cloudy, with a low around 26.
Sunny, with a high near 43.
Mostly clear, with a low around 24.
Sunny, with a high near 45.
Mostly clear, with a low around 28.
Sunny, with a high near 49.
Partly cloudy, with a low around 35.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
This Afternoon
Nov 9
|
Mostly Sunny
|
59°F |
10 mph
SW
|
|
Tonight
Nov 9
|
Mostly Clear
|
39°F |
5 to 10 mph
W
|
|
Tuesday
Nov 10
|
Mostly Sunny
|
60°F |
5 mph
NW
|
|
Tuesday Night
Nov 10
|
Mostly Cloudy
|
37°F |
0 mph
|
|
Veterans Day
Nov 11
|
Chance Rain
|
52°F |
0 to 10 mph
NE
|
|
Wednesday Night
Nov 11
|
Mostly Cloudy
|
33°F |
10 to 15 mph
N
|
|
Thursday
Nov 12
|
Partly Sunny
|
43°F |
15 to 20 mph
N
|
|
Thursday Night
Nov 12
|
Partly Cloudy
|
26°F |
10 to 15 mph
N
|
|
Friday
Nov 13
|
Sunny
|
43°F |
10 to 15 mph
N
|
|
Friday Night
Nov 13
|
Mostly Clear
|
24°F |
5 mph
N
|
|
Saturday
Nov 14
|
Sunny
|
45°F |
5 mph
NW
|
|
Saturday Night
Nov 14
|
Mostly Clear
|
28°F |
0 to 5 mph
SW
|
|
Sunday
Nov 15
|
Sunny
|
49°F |
5 to 10 mph
S
|
|
Sunday Night
Nov 15
|
Partly Cloudy
|
35°F |
5 mph
SE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Lake Summerset.