Nelson, Wisconsin Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Nelson weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast18%—85°67°—
- SundayJul 5Showers18%3.0″79°69°-6°
- MondayJul 6Light Drizzle——81°66°+2°
- TuesdayJul 7Light Drizzle——84°65°+3°
- WednesdayJul 8Thunderstorm51%0.04″77°67°-7°
- ThursdayJul 9Overcast51%—78°63°+1°
- FridayJul 10Light Drizzle——81°61°+3°
AQI 31 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 12.3 µg/m³ (AQI 57) with a 0.78 fine-to-coarse ratio and 3 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 during the projected peak around 9 PM.
What's driving it
Ozone × UV × Sky
Ozone at AQI 39 now. With UV 4.9 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 26 around 1 PM.
- Present
- AQI 39
- UV peak
- 4.9 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 26
PM × Wind × Precip
PM2.5 at 12.3 µg/m³ (AQI 57) with a 0.78 fine-to-coarse ratio and 3 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.78
- Wind
- calm
- 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
- 10:09 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Nelson at a glance
- Today vs. normal: 10°F above the seasonal normal for this latitude
- Last frost: May 13 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 54756
16-Day Forecast — Nelson
- Sat85°67°18%
- Sun79°69°18%
- Mon81°66°5%
- Tue84°65°7%
- Wed77°67°51%
- Thu78°63°51%
- Fri81°61°9%
- Sat79°62°8%
- Sun73°58°14%
- Mon76°52°7%
- Tue78°60°8%
- Wed80°64°20%
- Thu83°62°19%
- Fri87°67°19%
- Sat86°69°26%
- Sun86°70°30%
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 — Nelson
SPC includes Nelson in the general thunderstorm area today — no severe risk, but storms are possible.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3TSTMGeneral Thunderstorms
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 Nelson
- 54756