Merrill, Wisconsin Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Merrill weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast16%—83°63°—
- SundayJul 5Overcast17%—83°62°0°
- MondayJul 6Clear——78°56°-5°
- TuesdayJul 7Overcast28%—80°60°+2°
- WednesdayJul 8Heavy Showers52%1.2″76°65°-4°
- ThursdayJul 9Light Drizzle52%—78°60°+2°
- FridayJul 10Light Drizzle11%—77°56°-1°
AQI 42 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 4.9 µg/m³ (AQI 27) with a 0.91 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 4.9 µg/m³ (AQI 27) with a 0.91 fine-to-coarse ratio and 1 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.91
- 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
- 11:01 PM
- Moonset
- 9:59 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Merrill at a glance
- Today vs. normal: 64°F — typical for the season
- Last frost: May 17 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 54452
16-Day Forecast — Merrill
- Sat83°63°16%
- Sun83°62°17%
- Mon78°56°4%
- Tue80°60°28%
- Wed76°65°52%
- Thu78°60°52%
- Fri77°56°11%
- Sat76°60°15%
- Sun72°55°11%
- Mon79°52°12%
- Tue77°58°13%
- Wed74°60°27%
- Thu82°61°26%
- Fri83°63°24%
- Sat84°64°19%
- Sun83°68°35%
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 — Merrill
SPC includes Merrill 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 Merrill
- 54452