Waterman, Illinois Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Waterman weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Light Drizzle87%0.02″83°69°—
- SundayJul 5Overcast20%—80°64°-3°
- MondayJul 6Overcast——79°62°-1°
- TuesdayJul 7Overcast——80°57°+1°
- WednesdayJul 8Overcast10%—80°63°0°
- ThursdayJul 9Light Showers54%0.12″77°65°-3°
- FridayJul 10Overcast42%—80°62°+3°
AQI 23 (Good), driven by Ozone. AQI down 7 over the last 6 hours (gradual decline). Ozone at AQI 32. Overcast through the UV peak window (cloud cover ~83%) — 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 9 PM.
What's driving it
Ozone × UV × Sky
Ozone at AQI 32. Overcast through the UV peak window (cloud cover ~83%) — 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
Waterman at a glance
- Today vs. normal: 5°F above the seasonal normal for this latitude
- Last frost: April 27 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 60556
16-Day Forecast — Waterman
- Sat83°69°87%
- Sun80°64°20%
- Mon79°62°9%
- Tue80°57°1%
- Wed80°63°10%
- Thu77°65°54%
- Fri80°62°42%
- Sat81°61°14%
- Sun68°58°7%
- Mon73°55°9%
- Tue78°58°9%
- Wed78°61°26%
- Thu81°65°13%
- Fri81°68°26%
- Sat84°69°26%
- Sun82°70°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 — Waterman
SPC has placed Waterman 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 Waterman
- 60556