Ephraim, Wisconsin Weather
Fireflies rise from the lawn. Day 78 of spring. Read this microseason across nine climate regions →
Ephraim weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 5Heavy Rain51%0.36″79°61°—
- SaturdayJun 6Overcast22%—79°55°0°
- SundayJun 7Overcast——68°49°-11°
- MondayJun 8Light Rain23%0.15″68°54°0°
- TuesdayJun 9Showers41%0.83″62°54°-6°
- WednesdayJun 10Foggy13%—71°55°+9°
- ThursdayJun 11Foggy——80°59°+9°
AQI 120 (Unhealthy for Sensitive Groups), driven by Ozone. AQI up 29 in the last 6 hours — air quality is degrading. Ozone at AQI 58. Overcast through the UV peak window (cloud cover ~100%) — afternoon ozone should stay flat.
CAUTION Sensitive groups (children, elderly, respiratory conditions) should limit prolonged outdoor exertion.
What's driving it
Ozone × UV × Sky
Ozone at AQI 58. Overcast through the UV peak window (cloud cover ~100%) — afternoon ozone should stay flat.
- Present
- AQI 58
- UV peak
- 3.3 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 13
PM × Wind × Precip
PM2.5 at 7.3 µg/m³ (AQI 41) with a 0.90 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.90
- Wind
- light
- 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).
The higher the clouds, the finer the weather.
- Moonrise
- 5:03 AM
- Moonset
- 2:42 PM
- In sign
- ♒︎ Aquarius
Fireflies rise from the lawn
Ephraim at a glance
- Today vs. normal: 9°F below the seasonal normal for this latitude
- Last frost: May 17 (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 — Ephraim
SPC has placed Ephraim in the Marginal Risk category for severe thunderstorms today.
- TODAYMRGLMarginal Risk
- TOMORROWNONENo severe risk
- DAY 3NONENo severe risk
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.