Long Lake, IL Weather Forecast
Local 7-day forecast
Scattered Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Long Lake, IL in one place.
Scattered showers and thunderstorms. Cloudy, with a low around 58. South southeast wind around 10 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch possible.
Local Weather Overview
This forecast page for Long Lake, 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 16, 2026 6:32 AM CDT.
The active forecast window currently covers Apr 16 to Apr 22, 2026 for Long Lake, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 16 to Apr 22, 2026
- Latest sync
- Apr 16, 2026 6:32 AM CDT
- Forecast office
- LOT
- Source
- NOAA / NWS
Daily Outlook
This Week in Long Lake
Friday looks like the warmest upcoming period in Long Lake at 78 degrees F.
Sunday Night is the coolest period ahead with temperatures near 31 degrees F.
The strongest winds are forecast for Friday at about 5 to 20 mph SSE.
Precipitation is mentioned in 7 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 16, 2026 6:32 AM CDT
- Coverage
- 7 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
Scattered showers and thunderstorms before 2pm, then a slight chance of showers and thunderstorms between 2pm and 4pm. Mostly cloudy, with a high near 68. West wind 5 to 10 mph. Chance of precipitation is 40%. New rainfall amounts between a quarter and half of an inch possible.
Patchy fog after 10pm. Partly cloudy, with a low around 50. East southeast wind around 5 mph. New rainfall amounts less than a tenth of an inch possible.
Patchy fog before 8am. Partly sunny, with a high near 78. South southeast wind 5 to 20 mph, with gusts as high as 30 mph.
Showers and thunderstorms after 7pm. Cloudy, with a low around 44. Southwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%.
Rain showers before 1pm. Partly sunny, with a high near 51. Chance of precipitation is 80%.
Mostly clear, with a low around 33.
Mostly sunny, with a high near 49.
Areas of frost after 1am. Mostly clear, with a low around 31.
Areas of frost before 9am. Sunny, with a high near 57.
Partly cloudy, with a low around 45.
Mostly sunny, with a high near 71.
A slight chance of rain showers after 1am. Partly cloudy, with a low around 48.
A slight chance of rain showers before 7am. Mostly sunny, with a high near 67.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
Apr 16
|
Scattered Showers And Thunderstorms
|
58°F |
10 mph
SSE
|
|
Thursday
Apr 16
|
Scattered Showers And Thunderstorms
|
68°F |
5 to 10 mph
W
|
|
Thursday Night
Apr 16
|
Patchy Fog
|
50°F |
5 mph
ESE
|
|
Friday
Apr 17
|
Patchy Fog then Partly Sunny
|
78°F |
5 to 20 mph
SSE
|
|
Friday Night
Apr 17
|
Showers And Thunderstorms
|
44°F |
15 mph
SW
|
|
Saturday
Apr 18
|
Rain Showers
|
51°F |
15 to 20 mph
WNW
|
|
Saturday Night
Apr 18
|
Mostly Clear
|
33°F |
10 to 15 mph
WNW
|
|
Sunday
Apr 19
|
Mostly Sunny
|
49°F |
10 to 15 mph
WNW
|
|
Sunday Night
Apr 19
|
Mostly Clear then Areas Of Frost
|
31°F |
5 to 10 mph
WNW
|
|
Monday
Apr 20
|
Areas Of Frost then Sunny
|
57°F |
5 to 10 mph
SSE
|
|
Monday Night
Apr 20
|
Partly Cloudy
|
45°F |
10 to 15 mph
S
|
|
Tuesday
Apr 21
|
Mostly Sunny
|
71°F |
15 mph
SW
|
|
Tuesday Night
Apr 21
|
Partly Cloudy then Slight Chance Rain Showers
|
48°F |
10 to 15 mph
WSW
|
|
Wednesday
Apr 22
|
Slight Chance Rain Showers then Mostly Sunny
|
67°F |
10 mph
WSW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Long Lake.