Superior, Wisconsin Weather
Prairie lightning bugs rise. Day 78 of spring. Read this microseason across nine climate regions →
Superior weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 4Light Drizzle50%—71°50°—
- FridayJun 5Light Showers57%0.15″76°54°+5°
- SaturdayJun 6Foggy——79°51°+3°
- SundayJun 7Foggy——56°47°-23°
- MondayJun 8Light Showers77%0.49″54°48°-2°
- TuesdayJun 9Light Drizzle57%0.02″57°50°+3°
- WednesdayJun 10Foggy16%—66°51°+9°
Ozone at AQI 45. AQI up 13 over the last 6 hours (gradual rise). Overcast through the UV peak window (cloud cover ~100%) — afternoon ozone should stay flat.
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 45. Overcast through the UV peak window (cloud cover ~100%) — afternoon ozone should stay flat.
- Present
- AQI 45
- UV peak
- 0.1 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 5
PM × Wind × Precip
PM2.5 at 6.0 µg/m³, PM10 at 6.8 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.88
- Wind
- breezy
- Recent rain
- 0h in last 6h
- Pattern
- background
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).
The higher the clouds, the finer the weather.
- Moonrise
- 5:29 AM
- Moonset
- 2:58 PM
- In sign
- ♒︎ Aquarius
Prairie lightning bugs rise
Superior at a glance
- Today vs. normal: 11°F below the seasonal normal for this latitude
- Last frost: May 26 (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 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 — Superior
SPC has placed Superior 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.