St. Hilaire, Minnesota Weather
Prairie lightning bugs rise. Day 77 of spring. Read this microseason across nine climate regions →
St. Hilaire weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 4Light Drizzle31%—78°61°—
- FridayJun 5Overcast——72°58°-6°
- SaturdayJun 6Overcast——79°55°+7°
- SundayJun 7Overcast14%—84°62°+5°
- MondayJun 8Light Drizzle52%—76°66°-8°
- TuesdayJun 9Overcast28%—85°64°+9°
- WednesdayJun 10Thunderstorm36%—90°67°+5°
Ozone at AQI 40 now. AQI flat over the last 6 hours (within ±3 points). With UV 6.3 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 34 by mid-afternoon.
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 40 now. With UV 6.3 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 34 by mid-afternoon.
- Present
- AQI 40
- UV peak
- 6.3 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 34
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
- 5:25 AM
- Moonset
- 1:59 PM
- In sign
- ♒︎ Aquarius
Prairie lightning bugs rise
St. Hilaire at a glance
- Today vs. normal: 11°F above the seasonal normal for this latitude
- Last frost: June 3 (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 — St. Hilaire
SPC has placed St. Hilaire in the General Thunderstorms category for severe thunderstorms today.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWNONENo severe risk
- 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.