Grass Lake, MN Weather Forecast
Local 7-day forecast
Patchy Smoke then Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Grass Lake, MN in one place.
Patchy smoke between 7am and 8am. Sunny, with a high near 88. North northwest wind 5 to 10 mph.
Local Weather Overview
This forecast page for Grass Lake, MN 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 16, 2026 11:28 PM CDT.
The active forecast window currently covers Jul 18 to Jul 23, 2026 for Grass Lake, MN.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 18 to Jul 23, 2026
- Latest sync
- Jul 16, 2026 11:28 PM CDT
- Forecast office
- MPX
- Source
- NOAA / NWS
Daily Outlook
This Week in Grass Lake
Sunday looks like the warmest upcoming period in Grass Lake at 90 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 57 degrees F.
The strongest winds are forecast for Monday at about 5 to 15 mph W.
Precipitation is mentioned in 2 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 16, 2026 11:28 PM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- MPX
- Radar station
- KMPX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Partly cloudy, with a low around 61. East northeast wind 0 to 10 mph.
Mostly sunny, with a high near 90. South wind 0 to 5 mph.
Showers and thunderstorms likely after 7pm. Partly cloudy. Low around 67, with temperatures rising to around 70 overnight. South southwest wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
Showers and thunderstorms likely before 1pm. Mostly sunny, with a high near 90. West wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
Mostly clear, with a low around 62. North northwest wind 10 to 15 mph, with gusts as high as 30 mph.
Sunny, with a high near 82. North wind 10 to 15 mph.
Partly cloudy, with a low around 57. North wind 0 to 15 mph.
Mostly sunny, with a high near 83. West wind 0 to 5 mph.
Partly cloudy, with a low around 58. South southwest wind 0 to 5 mph.
Mostly sunny, with a high near 84. South southwest wind 0 to 5 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Jul 18
|
Patchy Smoke then Sunny
|
88°F |
5 to 10 mph
NNW
|
|
Saturday Night
Jul 18
|
Partly Cloudy
|
61°F |
0 to 10 mph
ENE
|
|
Sunday
Jul 19
|
Mostly Sunny
|
90°F |
0 to 5 mph
S
|
|
Sunday Night
Jul 19
|
Showers And Thunderstorms Likely
|
67°F |
5 mph
SSW
|
|
Monday
Jul 20
|
Showers And Thunderstorms Likely
|
90°F |
5 to 15 mph
W
|
|
Monday Night
Jul 20
|
Mostly Clear
|
62°F |
10 to 15 mph
NNW
|
|
Tuesday
Jul 21
|
Sunny
|
82°F |
10 to 15 mph
N
|
|
Tuesday Night
Jul 21
|
Partly Cloudy
|
57°F |
0 to 15 mph
N
|
|
Wednesday
Jul 22
|
Mostly Sunny
|
83°F |
0 to 5 mph
W
|
|
Wednesday Night
Jul 22
|
Partly Cloudy
|
58°F |
0 to 5 mph
SSW
|
|
Thursday
Jul 23
|
Mostly Sunny
|
84°F |
0 to 5 mph
SSW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Grass Lake.