Holmen, Wisconsin Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Holmen weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Foggy19%—83°67°—
- SundayJul 5Overcast10%—83°68°0°
- MondayJul 6Mostly Clear——79°66°-4°
- TuesdayJul 7Light Drizzle——83°63°+4°
- WednesdayJul 8T-storm w/ Hail60%0.15″79°67°-4°
- ThursdayJul 9Overcast60%—79°59°0°
- FridayJul 10Light Drizzle10%—75°62°-4°
AQI 37 (Good), driven by PM2.5. AQI up 7 over the last 6 hours (gradual rise). PM2.5 at 11.3 µg/m³ (AQI 55) with a 0.78 fine-to-coarse ratio and 6 mph wind — combustion smoke trapped in calm air, not road dust.
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 44 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
- Present
- AQI 44
- UV peak
- 2.3 at earlier today
- Sky at peak
- clear
- Projected peak
- AQI 44
PM × Wind × Precip
PM2.5 at 11.3 µg/m³ (AQI 55) with a 0.78 fine-to-coarse ratio and 6 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.78
- 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).
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:05 PM
- Moonset
- 10:06 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Holmen at a glance
- Today vs. normal: 15°F above the seasonal normal for this latitude
- Last frost: May 10 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 54636
16-Day Forecast — Holmen
- Sat83°67°19%
- Sun83°67°10%
- Mon79°66°1%
- Tue83°63°8%
- Wed79°67°60%
- Thu79°59°60%
- Fri75°62°10%
- Sat76°57°7%
- Sun77°53°11%
- Mon77°55°9%
- Tue81°61°6%
- Wed79°63°26%
- Thu81°62°23%
- Fri81°64°35%
- Sat72°60°22%
- Sun77°54°14%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 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 — Holmen
SPC includes Holmen in the general thunderstorm area today — no severe risk, but storms are possible.
- 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.
ZIP codes in Holmen
- 54636