Wheaton, Minnesota Weather
Prairie lightning bugs rise. Day 77 of spring. Read this microseason across nine climate regions →
Wheaton weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 3Light Drizzle45%0.02″81°64°—
- ThursdayJun 4Rain50%0.14″83°65°+2°
- FridayJun 5Drizzle56%0.03″75°63°-8°
- SaturdayJun 6Overcast——81°58°+6°
- SundayJun 7Overcast17%—85°63°+4°
- MondayJun 8Drizzle45%—79°69°-6°
- TuesdayJun 9Partly Cloudy21%—79°67°0°
Ozone at AQI 500 now. AQI up 10 over the last 6 hours (gradual rise). With UV 0.3 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 85 by mid-afternoon.
AVOID OUTDOORS Avoid outdoor exertion. Keep windows closed; use HEPA filtration indoors if available.
What's driving it
Ozone × UV × Sky
Ozone at AQI 500 now. With UV 0.3 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 85 by mid-afternoon.
- Present
- AQI 500
- UV peak
- 0.3 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 85
PM × Wind × Precip
PM scrubbed by 2 hours of recent rain — PM2.5 down to 6.8 µg/m³, PM10 to 9.1 µg/m³.
- PM2.5/PM10
- 0.75
- 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).










































A summer fog for fair, a winter fog for rain.
- Moonrise
- 5:17 AM
- Moonset
- 2:09 PM
- In sign
- ♑︎ Capricorn
Prairie lightning bugs rise
Wheaton at a glance
- Today vs. normal: 11°F above the seasonal normal for this latitude
- Last frost: May 21 (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 — Wheaton
SPC has placed Wheaton in the Slight Risk category for severe thunderstorms today.
- TODAYSLGTSlight Risk
- TOMORROWMRGLMarginal Risk
- DAY 3MRGLMarginal Risk
Scattered severe storms possible. A few tornadoes, hail, and damaging wind gusts possible.
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.