Colfax, Wisconsin Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Colfax weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Light Drizzle41%0.03″85°65°—
- SundayJul 5Overcast29%—84°66°-1°
- MondayJul 6Light Drizzle——81°67°-3°
- TuesdayJul 7T-storm w/ Hail12%—82°64°+1°
- WednesdayJul 8Heavy Showers58%2.2″71°60°-11°
- ThursdayJul 9Overcast58%—78°56°+7°
- FridayJul 10Light Drizzle—0.07″72°58°-6°
AQI 42 (Good), driven by PM2.5. AQI up 5 over the last 6 hours (gradual rise). PM2.5 at 12.0 µg/m³ (AQI 56) with a 0.75 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
- 4.8 at earlier today
- Sky at peak
- clear
- Projected peak
- AQI 44
PM × Wind × Precip
PM2.5 at 12.0 µg/m³ (AQI 56) with a 0.75 fine-to-coarse ratio and 6 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.75
- 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
- 11:09 PM
- Moonset
- 10:07 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Colfax at a glance
- Today vs. normal: 18°F above the seasonal normal for this latitude
- Last frost: May 16 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 54730
16-Day Forecast — Colfax
- Sat85°65°41%
- Sun84°66°29%
- Mon81°67°2%
- Tue82°64°12%
- Wed71°60°58%
- Thu78°56°58%
- Fri72°58°9%
- Sat75°53°10%
- Sun77°55°15%
- Mon76°54°6%
- Tue80°61°8%
- Wed81°65°12%
- Thu80°65°13%
- Fri75°61°29%
- Sat67°58°20%
- Sun78°54°20%
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 — Colfax
SPC includes Colfax in the general thunderstorm area today — no severe risk, but storms are possible.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWNONENo severe risk
- 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 Colfax
- 54730