Heyworth, Illinois Weather
Sun climbs to its northern throne. Day 88 of spring. Read this microseason across nine climate regions →
Heyworth weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 15Mostly Clear——73°54°—
- TuesdayJun 16Drizzle40%0.03″75°55°+2°
- WednesdayJun 17T-storm w/ Hvy Hail90%—83°53°+8°
- ThursdayJun 18Light Drizzle85%—72°56°-11°
- FridayJun 19Light Drizzle——72°55°0°
- SaturdayJun 20Overcast——75°54°+3°
- SundayJun 21Thunderstorm51%—75°62°0°
AQI 43 (Good), driven by Ozone. AQI up 16 in the last 6 hours — air quality is degrading. Ozone at AQI 41 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
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 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
- Present
- AQI 41
- UV peak
- 0.7 at earlier today
- Sky at peak
- clear
- Projected peak
- AQI 41
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
- 8:44 PM
- In sign
- ♋︎ Cancer
Sun climbs to its northern throne
Heyworth at a glance
- Today vs. normal: 3°F below the seasonal normal for this latitude
- Last frost: April 18 (climatological average for this latitude)
- Microseason: Jun 11–15
- Planting window: Stake and prune tomato suckers. Watch for squash vine borers.
16-Day Forecast — Heyworth
- Mon73°54°0%
- Tue75°55°40%
- Wed83°53°90%
- Thu72°56°85%
- Fri72°55°4%
- Sat75°54°7%
- Sun75°62°51%
- Mon78°68°51%
- Tue69°65°15%
- Wed75°64°9%
- Thu77°62°16%
- Fri78°62°17%
- Sat71°61°35%
- Sun81°62°32%
- Mon77°62°35%
- Tue70°58°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 — Heyworth
SPC has placed Heyworth in the Enhanced Risk category for severe thunderstorms day after tomorrow.
- TODAYNONENo severe risk
- TOMORROWMRGLMarginal Risk
- 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 Heyworth
- 61745