Forest Lake, IL Weather Forecast
Local 7-day forecast
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
Track current conditions, temperature changes, wind, and the full daily outlook for Forest Lake, IL in one place.
A chance of showers and thunderstorms before 7am, then showers and thunderstorms likely. Mostly cloudy, with a high near 68. West southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Local Weather Overview
This forecast page for Forest 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 15, 2026 4:54 AM CDT.
The active forecast window currently covers Apr 16 to Apr 21, 2026 for Forest Lake, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 16 to Apr 21, 2026
- Latest sync
- Apr 15, 2026 4:54 AM CDT
- Forecast office
- LOT
- Source
- NOAA / NWS
Daily Outlook
This Week in Forest Lake
Friday looks like the warmest upcoming period in Forest Lake at 76 degrees F.
Sunday Night is the coolest period ahead with temperatures near 32 degrees F.
The strongest winds are forecast for Saturday at about 15 to 20 mph WSW.
Precipitation is mentioned in 5 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 15, 2026 4:54 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
Showers and thunderstorms likely before 7pm. Mostly cloudy, with a low around 51. East wind around 5 mph, with gusts as high as 15 mph. Chance of precipitation is 60%.
Partly sunny, with a high near 76.
Showers and thunderstorms after 7pm. Mostly cloudy, with a low around 51.
Showers and thunderstorms. Partly sunny, with a high near 63.
A chance of rain showers before 1am. Partly cloudy, with a low around 34.
Mostly sunny, with a high near 51.
Patchy frost after 4am. Partly cloudy, with a low around 32.
Patchy frost before 8am. Sunny, with a high near 59.
Partly cloudy, with a low around 46.
Mostly sunny, with a high near 70.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Thursday
Apr 16
|
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
|
68°F |
5 to 10 mph
WSW
|
|
Thursday Night
Apr 16
|
Showers And Thunderstorms Likely then Mostly Cloudy
|
51°F |
5 mph
E
|
|
Friday
Apr 17
|
Partly Sunny
|
76°F |
5 to 15 mph
SSE
|
|
Friday Night
Apr 17
|
Showers And Thunderstorms
|
51°F |
15 mph
S
|
|
Saturday
Apr 18
|
Showers And Thunderstorms
|
63°F |
15 to 20 mph
WSW
|
|
Saturday Night
Apr 18
|
Chance Rain Showers
|
34°F |
15 mph
W
|
|
Sunday
Apr 19
|
Mostly Sunny
|
51°F |
15 mph
WNW
|
|
Sunday Night
Apr 19
|
Partly Cloudy then Patchy Frost
|
32°F |
5 to 10 mph
NW
|
|
Monday
Apr 20
|
Patchy Frost then Sunny
|
59°F |
5 to 15 mph
SW
|
|
Monday Night
Apr 20
|
Partly Cloudy
|
46°F |
10 mph
S
|
|
Tuesday
Apr 21
|
Mostly Sunny
|
70°F |
10 to 15 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Forest Lake.