Le Roy, Minnesota Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Le Roy weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast35%—81°66°—
- SundayJul 5Foggy——79°64°-2°
- MondayJul 6Overcast——79°64°0°
- TuesdayJul 7Overcast——81°63°+2°
- WednesdayJul 8Thunderstorm51%0.08″77°66°-4°
- ThursdayJul 9Overcast51%—77°59°0°
- FridayJul 10Light Drizzle——76°62°-1°
AQI 43 (Good), driven by PM2.5. AQI up 8 over the last 6 hours (gradual rise). PM2.5 at 10.5 µg/m³ (AQI 54) with a 0.75 fine-to-coarse ratio and 3 mph wind — combustion smoke trapped in calm air, not road dust.
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 44 — peak already passed at 1 PM under partly cloudy skies. Levels should ease through evening.
- Present
- AQI 44
- UV peak
- 0.8 at earlier today
- Sky at peak
- partly cloudy
- Projected peak
- AQI 44
PM × Wind × Precip
PM2.5 at 10.5 µg/m³ (AQI 54) with a 0.75 fine-to-coarse ratio and 3 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.75
- Wind
- calm
- 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).








































If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:10 PM
- Moonset
- 10:12 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Le Roy at a glance
- Today vs. normal: 7°F above the seasonal normal for this latitude
- Last frost: May 7 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 55951
16-Day Forecast — Le Roy
- Sat81°66°35%
- Sun79°64°9%
- Mon79°64°4%
- Tue81°63°7%
- Wed77°66°51%
- Thu77°59°51%
- Fri76°62°8%
- Sat74°57°8%
- Sun76°56°11%
- Mon77°57°8%
- Tue79°60°5%
- Wed77°61°23%
- Thu77°64°29%
- Fri79°65°26%
- Sat69°59°21%
- Sun75°59°23%
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 — Le Roy
SPC includes Le Roy in the general thunderstorm area today — no severe risk, but storms are possible.
- 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.
ZIP codes in Le Roy
- 55951