Cass Lake, Minnesota Weather
Prairie lightning bugs rise. Day 78 of spring. Read this microseason across nine climate regions →
Cass Lake weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 4Drizzle30%0.03″79°60°—
- FridayJun 5Foggy17%—78°57°-1°
- SaturdayJun 6Clear——83°54°+5°
- SundayJun 7Overcast10%—84°58°+1°
- MondayJun 8Light Rain72%0.17″70°65°-14°
- TuesdayJun 9Light Showers25%—82°66°+12°
- WednesdayJun 10Thunderstorm32%—96°68°+14°
Ozone at AQI 43. AQI up 5 over the last 6 hours (gradual rise). Overcast through the UV peak window (cloud cover ~96%) — afternoon ozone should stay flat.
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 43. Overcast through the UV peak window (cloud cover ~96%) — afternoon ozone should stay flat.
- Present
- AQI 43
- UV peak
- 0.3 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 5
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).
The higher the clouds, the finer the weather.
- Moonrise
- 5:42 AM
- Moonset
- 3:06 PM
- In sign
- ♒︎ Aquarius
Prairie lightning bugs rise
Cass Lake at a glance
- Today vs. normal: 8°F above the seasonal normal for this latitude
- Last frost: May 30 (climatological average for this latitude)
- Microseason: Jun 1–5
- Planting window: Harvest spring lettuce before it bolts. Sow heat-tolerant greens.
Right now in the garden
Peak growing season
As of June 5, 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 General Thunderstorms category for severe thunderstorms today.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3NONENo severe risk
Thunderstorms possible. Not severe, but capable of producing lightning and brief heavy rain.
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.