St. Leon, Indiana Weather
Cicadas claim the scorching afternoon. Day 14 of summer. Read this microseason across nine climate regions →
St. Leon weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast15%—91°71°—
- SundayJul 5Overcast19%—87°71°-4°
- MondayJul 6Thunderstorm45%—76°66°-11°
- TuesdayJul 7Light Drizzle——78°61°+2°
- WednesdayJul 8Overcast——81°62°+3°
- ThursdayJul 9Thunderstorm40%—82°65°+1°
- FridayJul 10Drizzle54%0.08″82°68°0°
AQI 49 (Good), driven by Ozone. Ozone at AQI 106 now. With UV 8.7 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 123 around 1 PM.
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 106 now. With UV 8.7 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 123 around 1 PM.
- Present
- AQI 106
- UV peak
- 8.7 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 123
PM × Wind × Precip
PM2.5 at 11.7 µg/m³, PM10 at 13.8 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.85
- 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
- 11:33 PM
- Moonset
- 10:46 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
St. Leon at a glance
- Today vs. normal: 18°F above the seasonal normal for this latitude
- Last frost: April 12 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — St. Leon
- Sat91°71°15%
- Sun87°71°19%
- Mon76°66°45%
- Tue78°61°8%
- Wed81°62°9%
- Thu82°65°40%
- Fri82°68°54%
- Sat78°66°40%
- Sun72°58°19%
- Mon74°54°15%
- Tue76°55°15%
- Wed80°57°23%
- Thu82°61°21%
- Fri84°66°16%
- Sat79°68°26%
- Sun77°67°35%
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 — St. Leon
SPC has placed St. Leon 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 St. Leon
- 47060
- 47012