Sheridan, Illinois Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Sheridan weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Showers80%0.39″82°70°—
- SundayJul 5Overcast20%—80°66°-2°
- MondayJul 6Overcast——81°63°+1°
- TuesdayJul 7Overcast——80°58°-1°
- WednesdayJul 8Overcast11%—81°63°+1°
- ThursdayJul 9Light Showers48%0.07″79°66°-2°
- FridayJul 10Overcast40%—80°63°+1°
AQI 23 (Good), driven by Ozone. AQI down 5 over the last 6 hours (gradual decline). Ozone at AQI 32. Overcast through the UV peak window (cloud cover ~81%) — afternoon ozone should stay flat.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion during the projected peak around 10 PM.
What's driving it
Ozone × UV × Sky
Ozone at AQI 32. Overcast through the UV peak window (cloud cover ~81%) — afternoon ozone should stay flat.
- Present
- AQI 32
- UV peak
- 3.0 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 6
PM × Wind × Precip
PM2.5 at 5.5 µg/m³, PM10 at 6.3 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.87
- Wind
- light
- Recent rain
- 1h in last 6h
- Pattern
- background
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
- 10:52 PM
- Moonset
- 9:59 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Sheridan at a glance
- Today vs. normal: 9°F above the seasonal normal for this latitude
- Last frost: April 25 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 60551
16-Day Forecast — Sheridan
- Sat82°70°80%
- Sun80°66°20%
- Mon81°63°4%
- Tue80°58°1%
- Wed81°63°11%
- Thu79°66°48%
- Fri80°63°40%
- Sat82°63°14%
- Sun68°59°7%
- Mon73°56°9%
- Tue78°59°9%
- Wed78°62°26%
- Thu82°65°21%
- Fri81°69°29%
- Sat85°70°23%
- Sun83°72°31%
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 — Sheridan
SPC has placed Sheridan in the Marginal Risk category for severe thunderstorms today.
- TODAYMRGLMarginal Risk
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3NONENo severe risk
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 Sheridan
- 60551