Willmar, Minnesota Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Willmar weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Drizzle36%0.02″86°66°—
- SundayJul 5Overcast14%—84°65°-2°
- MondayJul 6Overcast18%—84°66°0°
- TuesdayJul 7Overcast36%—87°68°+3°
- WednesdayJul 8Heavy Showers59%0.52″76°64°-11°
- ThursdayJul 9Overcast22%—78°59°+2°
- FridayJul 10T-storm w/ Hail14%—83°61°+5°
AQI 46 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 7.6 µg/m³ (AQI 42) with a 0.81 fine-to-coarse ratio and 5 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 41 now. With UV 5.3 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 29 around 1 PM.
- Present
- AQI 41
- UV peak
- 5.3 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 29
PM × Wind × Precip
PM2.5 at 7.6 µg/m³ (AQI 42) with a 0.81 fine-to-coarse ratio and 5 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
- 11:23 PM
- Moonset
- 10:20 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Willmar at a glance
- Today vs. normal: 12°F above the seasonal normal for this latitude
- 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: 56201
16-Day Forecast — Willmar
- Sat86°66°36%
- Sun84°65°14%
- Mon84°66°18%
- Tue87°68°36%
- Wed76°64°59%
- Thu78°59°22%
- Fri83°61°14%
- Sat72°60°16%
- Sun75°54°16%
- Mon77°55°5%
- Tue82°61°7%
- Wed80°63°11%
- Thu83°58°15%
- Fri89°68°17%
- Sat87°67°24%
- Sun95°72°29%
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 — Willmar
SPC has placed Willmar in the Marginal Risk category for severe thunderstorms today.
- TODAYMRGLMarginal Risk
- TOMORROWNONENo severe risk
- DAY 3TSTMGeneral Thunderstorms
Isolated severe storms possible. Limited threat for hail or damaging wind.
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 Willmar
- 56201