La Crosse, Wisconsin Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
La Crosse weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast22%—83°66°—
- SundayJul 5Heavy Rain21%1.8″79°66°-4°
- MondayJul 6Mostly Clear——81°61°+2°
- TuesdayJul 7Overcast——86°64°+5°
- WednesdayJul 8Thunderstorm36%0.09″79°63°-7°
- ThursdayJul 9Overcast41%—79°59°0°
- FridayJul 10Overcast19%—78°60°-1°
AQI 28 (Good), driven by PM2.5. AQI down 14 over the last 6 hours (gradual decline). PM2.5 at 10.3 µg/m³ (AQI 53) with a 0.93 fine-to-coarse ratio and 1 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
PM × Wind × Precip
PM2.5 at 10.3 µg/m³ (AQI 53) with a 0.93 fine-to-coarse ratio and 1 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.93
- 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
- 11:05 PM
- Moonset
- 10:06 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
La Crosse at a glance
- Today vs. normal: 69°F — typical for the season
- Last frost: May 9 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP codes: 54601, 54603
15-Day Forecast — La Crosse
- Sat83°66°22%
- Sun79°66°21%
- Mon81°61°6%
- Tue86°64°7%
- Wed79°63°36%
- Thu79°59°41%
- Fri78°60°19%
- Sat83°63°12%
- Sun78°58°7%
- Mon80°66°13%
- Tue72°61°27%
- Wed81°58°20%
- Thu78°62°19%
- Fri83°66°27%
- Sat82°61°29%
Forecast data from Open-Meteo (CC BY 4.0).
Live wind & temperature near La Crosse
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 — La Crosse
SPC includes La Crosse 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 La Crosse
- 54603
- 54601
- 54602