Roy Lake, Minnesota Weather
Prairie lightning bugs rise. Day 77 of spring. Read this microseason across nine climate regions →
Roy Lake weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 4Heavy Drizzle28%0.04″81°62°—
- FridayJun 5Light Drizzle23%0.02″73°59°-8°
- SaturdayJun 6Overcast——82°56°+9°
- SundayJun 7Overcast10%—84°60°+2°
- MondayJun 8Showers66%0.27″71°65°-13°
- TuesdayJun 9Foggy18%—84°65°+13°
- WednesdayJun 10Thunderstorm33%—89°67°+5°
Ozone at AQI 46 — peak already passed at 1 PM under clear skies. AQI flat over the last 6 hours (within ±3 points). Levels should ease through evening.
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 46 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
- Present
- AQI 46
- UV peak
- 5.7 at earlier today
- Sky at peak
- clear
- Projected peak
- AQI 46
PM × Wind × Precip
PM2.5 at 5.1 µg/m³ (AQI 28) with a 0.78 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.78
- Wind
- light
- Recent rain
- 0h in last 6h
- Pattern
- stagnant smoke
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).
A summer fog for fair, a winter fog for rain.
- Moonrise
- 5:19 AM
- Moonset
- 1:59 PM
- In sign
- ♒︎ Aquarius
Prairie lightning bugs rise
Roy Lake at a glance
- Today vs. normal: 12°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 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 — Roy Lake
SPC has placed Roy 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.