Mansfield, Illinois Weather
Cicadas claim the scorching afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Mansfield weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Heavy Rain70%2.2″87°70°—
- SundayJul 5Overcast49%—80°69°-7°
- MondayJul 6Overcast——81°65°+1°
- TuesdayJul 7Overcast——80°61°-1°
- WednesdayJul 8Overcast13%—82°61°+2°
- ThursdayJul 9Drizzle34%0.04″83°70°+1°
- FridayJul 10Light Drizzle34%—77°70°-6°
AQI 32 (Good), driven by PM2.5. AQI down 8 over the last 6 hours (gradual decline). PM2.5 at 4.5 µg/m³ (AQI 25) with a 0.92 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
PM × Wind × Precip
PM2.5 at 4.5 µg/m³ (AQI 25) with a 0.92 fine-to-coarse ratio and 6 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.92
- 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
- 10:49 PM
- Moonset
- 10:00 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Mansfield at a glance
- Today vs. normal: 73°F — typical for the season
- Last frost: April 17 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 61854
16-Day Forecast — Mansfield
- Sat87°70°70%
- Sun80°69°49%
- Mon81°65°8%
- Tue80°61°6%
- Wed82°61°13%
- Thu83°70°34%
- Fri77°70°34%
- Sat83°65°20%
- Sun71°58°12%
- Mon72°56°7%
- Tue77°59°11%
- Wed80°63°20%
- Thu81°65°26%
- Fri81°69°32%
- Sat85°71°29%
- Sun80°72°32%
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 — Mansfield
SPC has placed Mansfield in the Marginal Risk category for severe thunderstorms today.
- TODAYMRGLMarginal Risk
- TOMORROWTSTMGeneral Thunderstorms
- 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 Mansfield
- 61854