Lyons, Indiana Weather
Cicadas claim the scorching afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Lyons weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Heavy Rain35%0.66″89°72°—
- SundayJul 5Heavy Rain36%0.78″85°72°-4°
- MondayJul 6Light Drizzle36%—86°70°+1°
- TuesdayJul 7Overcast10%—83°65°-3°
- WednesdayJul 8Clear19%—84°65°+1°
- ThursdayJul 9Thunderstorm38%—86°69°+2°
- FridayJul 10Light Drizzle47%0.05″84°71°-2°
AQI 43 (Good), driven by PM2.5. AQI down 9 over the last 6 hours (gradual decline). PM2.5 at 9.5 µg/m³, PM10 at 10.7 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.
What's driving it
Ozone × UV × Sky
Ozone at AQI 38 now. With UV 4.2 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 15 around 1 PM.
- Present
- AQI 38
- UV peak
- 4.2 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 15
PM × Wind × Precip
PM2.5 at 9.5 µg/m³, PM10 at 10.7 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.89
- Wind
- breezy
- 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
- 11:42 PM
- Moonset
- 10:55 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Lyons at a glance
- Today vs. normal: 4°F above the seasonal normal for this latitude
- Last frost: April 10 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 47443
16-Day Forecast — Lyons
- Sat89°72°35%
- Sun85°72°36%
- Mon86°70°36%
- Tue83°65°10%
- Wed84°65°19%
- Thu86°69°38%
- Fri84°71°47%
- Sat83°71°34%
- Sun76°63°14%
- Mon74°58°8%
- Tue78°60°7%
- Wed81°63°16%
- Thu84°66°19%
- Fri81°69°35%
- Sat86°69°29%
- Sun84°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 — Lyons
SPC has placed Lyons in the Slight Risk category for severe thunderstorms today.
- TODAYSLGTSlight Risk
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3TSTMGeneral Thunderstorms
Scattered severe storms possible. A few tornadoes, hail, and damaging wind gusts possible.
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 Lyons
- 47443