Blair, Wisconsin Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Blair weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast14%—81°63°—
- SundayJul 5Drizzle14%0.03″83°66°+2°
- MondayJul 6Overcast——80°63°-3°
- TuesdayJul 7Thunderstorm14%—82°63°+2°
- WednesdayJul 8T-storm w/ Hail60%0.03″75°65°-7°
- ThursdayJul 9Overcast60%—78°57°+3°
- FridayJul 10Light Drizzle10%—74°62°-4°
AQI 38 (Good), driven by PM2.5. AQI up 11 over the last 6 hours (gradual rise). PM2.5 at 8.0 µg/m³ (AQI 44) with a 0.81 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 40 — peak already passed at 1 PM under partly cloudy skies. Levels should ease through evening.
- Present
- AQI 40
- UV peak
- 2.1 at earlier today
- Sky at peak
- partly cloudy
- Projected peak
- AQI 40
PM × Wind × Precip
PM2.5 at 8.0 µg/m³ (AQI 44) with a 0.81 fine-to-coarse ratio and 6 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.81
- 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
- 11:06 PM
- Moonset
- 10:06 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Blair at a glance
- Today vs. normal: 14°F above the seasonal normal for this latitude
- Last frost: May 12 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 54616
16-Day Forecast — Blair
- Sat81°63°14%
- Sun83°66°14%
- Mon80°63°2%
- Tue82°63°14%
- Wed75°65°60%
- Thu78°57°60%
- Fri74°62°10%
- Sat75°55°10%
- Sun77°51°12%
- Mon76°53°8%
- Tue81°61°6%
- Wed79°63°19%
- Thu80°62°20%
- Fri79°60°29%
- Sat70°58°23%
- Sun77°52°19%
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 — Blair
SPC includes Blair 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 Blair
- 54773
- 54659
- 54616