Weather StoryAlmanac, microseasons, and the day's weather story.

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

St. Leon, IN
Saturday, July 4 at 1:56 PM
90
°
Mostly Clear
Feels like
98°
Humidity
53%
Wind
7 mph
Sunrise
2:18 AM
Sunset
5:09 PM
St. Leon, IN
Hour by hour · 24h
24-Hour ForecastSt. Leon, IN: 24-hour forecast. Temperatures range from 71 to 91 degrees Fahrenheit.
L 71°H 91°
St. Leon, IN
7-day forecast
  1. Today
    Jul 4
    Overcast
    15%
    91°71°
  2. Sunday
    Jul 5
    Overcast
    19%
    87°71°-4°
  3. Monday
    Jul 6
    Thunderstorm
    45%
    76°66°-11°
  4. Tuesday
    Jul 7
    Light Drizzle
    78°61°+2°
  5. Wednesday
    Jul 8
    Overcast
    81°62°+3°
  6. Thursday
    Jul 9
    Thunderstorm
    40%
    82°65°+1°
  7. Friday
    Jul 10
    Drizzle
    54%
    0.08″
    82°68°
St. Leon, IN
Anemometer · 24h winds · from true
NESW
From · True
WSW
239° · steady
Direction
WSW
239°
Sustained
7
mph
Gust
9
mph
Peak 24h
13
avg 5
Beaufort · 2 · LIGHT BRZ
0
CALM
<1
1
LIGHT AIR
1–3
2
LIGHT BRZ
4–7
3
GENTLE BRZ
8–12
4
MOD BRZ
13–18
5
FRESH BRZ
19–24
6
STRONG BRZ
25–31
7
NEAR GALE
32–38
24h · sust vs gust · mph
avg 5 · pk 13 @ 5:00p
01020MPHB1B2B3B4B5-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 225SUSTGUST
−24h−18h−12h−6hnow
A whisper of wind — leaves barely shift on the trees.
St. Leon, IN
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
980.3
-0.9 mb in 3h · falling · 28.95 inHg
Now
980.3
mb
3h
-0.9
mb
12h
-0.2
mb
24h
-3.6
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 980984
975980985990-21h-18h-15h-12h-9h-6h-3h-24hNOW984.0980.4980.4
−24h−18h−12h−6hnow
Deep low still deepening — rough seas, strong wind, persistent rain.
St. Leon, IN
Air quality
49
AQI
Good
-1 in 6hPeak ~94 @ 11 PM

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.

PM 2.5Good
11.7μg/m³
PM 10Good
14μg/m³
NO₂Good
2μg/m³
OzoneDRIVERUnhealthy
142μg/m³
UV IndexVery high
8.7

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
St. Leon, IN
Sky cover · visibility · 24h
Cloud cover
22%
CLEAR
100%0%−24h−18h−12h−6hnow

Visibility
70.5mi
UNLIMITED
78 mi0 mi−24h−18h−12h−6hnow
Earth · GOES-19 ABI
Full Disk · Visible · GeoColor
GOES-19 full disk Visible · GeoColor
True-color daytime, blue/IR sandwich at night
17:56 UTC · St. Leon, IN · NOAA NESDIS / STAR · up to 10848 px
Continental US · GOES-19 ABI
CONUS Sector · Visible · GeoColor
GOES-19 CONUS Visible · GeoColor
Daytime true-color, blue-light/IR sandwich at night
17:56 UTC · St. Leon, IN · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
St. Leon, IN
Satellite · infrared · animated
St. Leon, IN
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
St. Leon, IN
Almanac · Saturday, July 4
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
Civil dawn
5:47 AM
Sunrise
2:18 AM
Daylight
14h 51m
Sunset
5:09 PM
Civil dusk
9:43 PM
Planting note
Harvest early potatoes. Begin drying onions on the surface.
St. Leon, IN
The moon
Waning Gibbous
80% illuminated
Moonrise
11:33 PM
Moonset
10:46 AM
In sign
♓︎ Pisces
St. Leon, IN
Microseason
Jul 1–5

Cicadas claim the scorching afternoon

bird
Jan 151% of the yearDec 31

Read this microseason across nine climate regions →

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

  1. Sat91°71°15%
  2. Sun87°71°19%
  3. Mon76°66°45%
  4. Tue78°61°8%
  5. Wed81°62°9%
  6. Thu82°65°40%
  7. Fri82°68°54%
  8. Sat78°66°40%
  9. Sun72°58°19%
  10. Mon74°54°15%
  11. Tue76°55°15%
  12. Wed80°57°23%
  13. Thu82°61°21%
  14. Fri84°66°16%
  15. Sat79°68°26%
  16. 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

Climate normals from the Open-Meteo Climate API. Köppen approximation from NOAA NCEI U.S. Climate Regions. See methodology for data sources, editorial rules, and corrections. Maintainer: Brian Tighe.