Hanover, Illinois Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Hanover weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Drizzle45%0.06″84°68°—
- SundayJul 5Overcast25%—86°69°+2°
- MondayJul 6Light Drizzle——81°63°-5°
- TuesdayJul 7Overcast——81°60°0°
- WednesdayJul 8Overcast25%—81°60°0°
- ThursdayJul 9Showers33%0.04″78°68°-3°
- FridayJul 10Overcast26%—79°62°+1°
AQI 26 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM scrubbed by 2 hours of recent rain — PM2.5 down to 9.5 µg/m³, PM10 to 13.2 µg/m³.
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
PM × Wind × Precip
PM scrubbed by 2 hours of recent rain — PM2.5 down to 9.5 µg/m³, PM10 to 13.2 µg/m³.
- PM2.5/PM10
- 0.72
- Wind
- light
- Recent rain
- 2h in last 6h
- Pattern
- washed out
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
- 10:58 PM
- Moonset
- 10:05 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Hanover at a glance
- Today vs. normal: 8°F above the seasonal normal for this latitude
- Last frost: April 30 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 61041
16-Day Forecast — Hanover
- Sat84°68°45%
- Sun86°69°25%
- Mon81°63°2%
- Tue81°60°3%
- Wed81°60°25%
- Thu78°68°33%
- Fri79°62°26%
- Sat82°64°14%
- Sun69°59°8%
- Mon75°55°8%
- Tue77°60°12%
- Wed80°64°19%
- Thu82°66°11%
- Fri84°67°23%
- Sat85°70°23%
- Sun84°71°33%
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 — Hanover
SPC includes Hanover in the general thunderstorm area today — no severe risk, but storms are possible.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3NONENo severe risk
Thunderstorms possible. Not severe, but capable of producing lightning and brief heavy rain.
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 Hanover
- 61041