Lima, Illinois Weather
Cicadas claim the scorching afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Lima weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast27%—89°73°—
- SundayJul 5Heavy Rain32%0.42″84°70°-5°
- MondayJul 6Light Drizzle24%—84°67°0°
- TuesdayJul 7Clear——83°63°-1°
- WednesdayJul 8Overcast16%—88°64°+5°
- ThursdayJul 9Drizzle28%—87°71°-1°
- FridayJul 10Drizzle26%—85°70°-2°
AQI 27 (Good), driven by PM2.5. AQI down 7 over the last 6 hours (gradual decline). PM2.5 at 7.2 µg/m³, PM10 at 8.0 µg/m³ — typical background levels with no transport signature.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion during the projected peak around 7 PM.
What's driving it
PM × Wind × Precip
PM2.5 at 7.2 µg/m³, PM10 at 8.0 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.90
- Wind
- light
- Recent rain
- 0h 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
- 11:00 PM
- Moonset
- 10:11 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Lima at a glance
- Today vs. normal: 6°F above the seasonal normal for this latitude
- Last frost: April 17 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 62348
16-Day Forecast — Lima
- Sat89°73°27%
- Sun84°70°32%
- Mon84°67°24%
- Tue83°63°6%
- Wed88°64°16%
- Thu87°71°28%
- Fri85°70°26%
- Sat85°69°22%
- Sun73°58°12%
- Mon76°57°5%
- Tue80°60°5%
- Wed82°65°10%
- Thu83°65°16%
- Fri82°67°19%
- Sat84°70°14%
- Sun88°72°19%
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 — Lima
SPC has placed Lima in the Marginal Risk category for severe thunderstorms today.
- TODAYMRGLMarginal Risk
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3TSTMGeneral Thunderstorms
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 Lima
- 62376
- 62348