St. Leo, Minnesota Weather
Cicadas claim the afternoon. Day 15 of summer. Read this microseason across nine climate regions →
St. Leo weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Heavy Rain39%0.73″85°65°—
- SundayJul 5Light Drizzle22%0.01″85°63°0°
- MondayJul 6Light Drizzle45%—91°66°+6°
- TuesdayJul 7Showers45%—91°66°0°
- WednesdayJul 8Heavy Drizzle67%0.02″80°62°-11°
- ThursdayJul 9Overcast20%—77°60°-3°
- FridayJul 10Drizzle16%—82°62°+5°
AQI 43 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM scrubbed by 2 hours of recent rain — PM2.5 down to 11.2 µg/m³, PM10 to 14.4 µg/m³.
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 now. With UV 0.4 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 10 around 1 PM.
- Present
- AQI 43
- UV peak
- 0.4 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 10
PM × Wind × Precip
PM scrubbed by 2 hours of recent rain — PM2.5 down to 11.2 µg/m³, PM10 to 14.4 µg/m³.
- PM2.5/PM10
- 0.78
- Wind
- light
- Recent rain
- 2h in last 6h
- Pattern
- washed out
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
- 11:46 PM
- Moonset
- 11:36 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
St. Leo at a glance
- Today vs. normal: 18°F above the seasonal normal for this latitude
- Last frost: May 14 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — St. Leo
- Sat85°65°39%
- Sun85°63°22%
- Mon91°66°45%
- Tue91°66°45%
- Wed80°62°67%
- Thu77°60°20%
- Fri82°62°16%
- Sat77°59°14%
- Sun84°59°12%
- Mon93°71°6%
- Tue86°64°6%
- Wed88°64°9%
- Thu99°70°13%
- Fri91°69°17%
- Sat90°60°16%
- Sun84°62°14%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 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 — St. Leo
SPC has placed St. Leo in the Marginal Risk category for severe thunderstorms today.
- TODAYMRGLMarginal Risk
- TOMORROWNONENo severe risk
- DAY 3TSTMGeneral Thunderstorms
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 St. Leo
- 56264