Princeville, Illinois Weather
Sun climbs to its northern throne. Day 88 of spring. Read this microseason across nine climate regions →
Princeville weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 15Overcast——74°50°—
- TuesdayJun 16Overcast22%—72°56°-2°
- WednesdayJun 17T-storm w/ Hvy Hail93%0.22″81°55°+9°
- ThursdayJun 18Light Drizzle63%—66°54°-15°
- FridayJun 19Light Drizzle—0.01″69°49°+3°
- SaturdayJun 20Light Drizzle17%0.01″68°56°-1°
- SundayJun 21Light Rain41%0.27″65°56°-3°
AQI 32 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 9.2 µg/m³ (AQI 51) with a 0.96 fine-to-coarse ratio and 4 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 9.2 µg/m³ (AQI 51) with a 0.96 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.96
- 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).
A summer fog for fair, a winter fog for rain.
- Moonrise
- 5:28 AM
- Moonset
- 8:50 PM
- In sign
- ♊︎ Gemini
Sun climbs to its northern throne
Princeville at a glance
- Today vs. normal: 23°F below the seasonal normal for this latitude
- Last frost: April 22 (climatological average for this latitude)
- Microseason: Jun 11–15
- Planting window: Stake and prune tomato suckers. Watch for squash vine borers.
15-Day Forecast — Princeville
- Mon74°50°1%
- Tue72°56°22%
- Wed81°55°93%
- Thu66°54°63%
- Fri69°49°4%
- Sat68°56°17%
- Sun65°56°41%
- Mon73°51°41%
- Tue74°58°14%
- Wed79°58°13%
- Thu84°69°11%
- Fri86°69°33%
- Sat89°72°32%
- Sun89°74°35%
- Mon85°72°39%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of June 15, 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 — Princeville
SPC has placed Princeville in the Enhanced Risk category for severe thunderstorms day after tomorrow.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3ENHEnhanced Risk
Numerous severe storms likely. Tornadoes, large hail, and damaging wind gusts possible across the area. Track NWS warnings if storms develop.
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 Princeville
- 61559