Cass Lake, Minnesota Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Cass Lake weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Light Rain35%0.05″82°62°—
- SundayJul 5Overcast——85°62°+3°
- MondayJul 6Drizzle55%—86°62°+1°
- TuesdayJul 7T-storm w/ Hail56%—84°62°-2°
- WednesdayJul 8Heavy Showers64%0.37″81°59°-3°
- ThursdayJul 9Overcast20%—82°56°+1°
- FridayJul 10Overcast16%—82°61°0°
AQI 48 (Good), driven by PM2.5. AQI up 5 over the last 6 hours (gradual rise). PM2.5 at 10.0 µg/m³, PM10 at 12.7 µg/m³ — typical background levels with no transport signature.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
Ozone × UV × Sky
Ozone at AQI 39. Overcast through the UV peak window (cloud cover ~93%) — afternoon ozone should stay flat.
- Present
- AQI 39
- UV peak
- 3.3 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 9
PM × Wind × Precip
PM2.5 at 10.0 µg/m³, PM10 at 12.7 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.79
- Wind
- light
- Recent rain
- 0h in last 6h
- Pattern
- background
Trends
Seven days of AQI and PM2.5.
Hourly air-quality data from the Copernicus Atmosphere Monitoring Service, charted across the past and next several days. Dashed lines mark the AQI breakpoints at 50 (Good → Moderate) and 100 (Moderate → Unhealthy for Sensitive Groups).
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:25 PM
- Moonset
- 10:15 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Cass Lake at a glance
- Today vs. normal: 9°F above the seasonal normal for this latitude
- Last frost: May 30 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 56633
16-Day Forecast — Cass Lake
- Sat82°62°35%
- Sun85°62°5%
- Mon86°62°55%
- Tue84°62°56%
- Wed81°59°64%
- Thu82°56°20%
- Fri82°61°16%
- Sat69°58°17%
- Sun79°49°17%
- Mon80°54°15%
- Tue84°61°12%
- Wed79°59°12%
- Thu86°56°19%
- Fri83°60°15%
- Sat87°58°19%
- Sun97°67°13%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 4, the growing season is at its peak — frost is months away. Continue succession-planting beans and summer squash. Start fall brassicas (broccoli, cabbage, kale) from seed indoors for transplanting in late summer.
SPC Convective Outlook
Storm Prediction Center — Cass Lake
SPC has placed Cass Lake in the Marginal Risk category for severe thunderstorms today.
- TODAYMRGLMarginal Risk
- TOMORROWNONENo severe risk
- DAY 3MRGLMarginal Risk
Isolated severe storms possible. Limited threat for hail or damaging wind.
Source: NOAA / NWS Storm Prediction Center categorical convective outlook. Outlooks are re-issued multiple times per day; this page reflects the most recent SPC polygons covering the city’s coordinates.
ZIP codes in Cass Lake
- 56633