Junction City, Wisconsin Weather
Fireflies rise from the lawn. Day 78 of spring. Read this microseason across nine climate regions →
Junction City weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 4Light Drizzle73%0.03″83°56°—
- FridayJun 5Light Drizzle55%0.02″82°63°-1°
- SaturdayJun 6Foggy23%—80°60°-2°
- SundayJun 7Overcast14%—77°55°-3°
- MondayJun 8Light Drizzle64%0.02″70°60°-7°
- TuesdayJun 9Light Drizzle54%—79°65°+9°
- WednesdayJun 10Thunderstorm18%—86°66°+7°
PM scrubbed by 3 hours of recent rain — PM2.5 down to 9.2 µg/m³, PM10 to 10.3 µg/m³. AQI up 24 in the last 6 hours — air quality is degrading.
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 51 now. With UV 0.1 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 9 by mid-afternoon.
- Present
- AQI 51
- UV peak
- 0.1 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 9
PM × Wind × Precip
PM scrubbed by 3 hours of recent rain — PM2.5 down to 9.2 µg/m³, PM10 to 10.3 µg/m³.
- PM2.5/PM10
- 0.89
- Wind
- light
- Recent rain
- 3h 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).
The higher the clouds, the finer the weather.
- Moonrise
- 5:12 AM
- Moonset
- 2:55 PM
- In sign
- ♒︎ Aquarius
Fireflies rise from the lawn
Junction City at a glance
- Today vs. normal: 9°F above the seasonal normal for this latitude
- Last frost: May 14 (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 — Junction City
SPC has placed Junction City in the Marginal Risk category for severe thunderstorms tomorrow.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWMRGLMarginal 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.