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

Orion, Illinois Weather

Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →

Orion weather forecast — hour by hour, 7-day outlook, NOAA radar

Orion, IL
Saturday, July 4 at 10:53 AM
79
°
Clear
Feels like
87°
Humidity
78%
Wind
7 mph
Sunrise
12:33 AM
Sunset
3:38 PM
Orion, IL
Hour by hour · 24h
24-Hour ForecastOrion, IL: 24-hour forecast. Temperatures range from 68 to 85 degrees Fahrenheit with a 34% chance of precipitation at 1 PM.
L 68°H 85°
Orion, IL
7-day forecast
  1. Today
    Jul 4
    Foggy
    67%
    85°68°
  2. Sunday
    Jul 5
    Overcast
    26%
    84°68°-1°
  3. Monday
    Jul 6
    Mostly Clear
    81°64°-3°
  4. Tuesday
    Jul 7
    Clear
    79°60°-2°
  5. Wednesday
    Jul 8
    Overcast
    10%
    83°62°+4°
  6. Thursday
    Jul 9
    Thunderstorm
    38%
    82°68°-1°
  7. Friday
    Jul 10
    Overcast
    26%
    79°64°-3°
Orion, IL
Anemometer · 24h winds · from true
NESW
From · True
SW
229° · backing 27°
Direction
SW
229°
Sustained
7
mph
Gust
11
mph
Peak 24h
20
avg 7
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 7 · pk 20 @ 8:00p
01020MPHB1B2B3B4B5-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 157SUSTGUST
−24h−18h−12h−6hnow
Light breeze backing 27° from the sw.
Orion, IL
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
987.8
+0.3 mb in 3h · steady · 29.17 inHg
Now
987.8
mb
3h
+0.3
mb
12h
-0.9
mb
24h
-3.0
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 986991
9809859909951000STORM|RAIN-21h-18h-15h-12h-9h-6h-3h-24hNOW991.2986.3988.2
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Orion, IL
Air quality
21
AQI
Good
-2 in 6hPeak ~42 @ 10 PM

AQI 21 (Good), driven by Ozone. Ozone at AQI 35 now. With UV 2.8 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 9 around 1 PM.

OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion during the projected peak around 10 PM.

PM 2.5Good
4.5μg/m³
PM 10Good
5μg/m³
NO₂Good
3μg/m³
OzoneDRIVERModerate
74μg/m³
UV IndexLow
2.0

What's driving it

Ozone × UV × Sky

Ozone at AQI 35 now. With UV 2.8 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 9 around 1 PM.

Present
AQI 35
UV peak
2.8 at 1 PM
Sky at peak
partly cloudy
Projected peak
AQI 9

PM × Wind × Precip

PM2.5 at 4.5 µg/m³, PM10 at 5.1 µg/m³ — typical background levels with no transport signature.

PM2.5/PM10
0.88
Wind
light
Recent rain
0h in last 6h
Pattern
background
Orion, IL
Sky cover · visibility · 24h
Cloud cover
13%
CLEAR
100%0%−24h−18h−12h−6hnow

Visibility
39.3mi
UNLIMITED
56 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
15:53 UTC · Orion, IL · 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
15:53 UTC · Orion, IL · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
Orion, IL
Satellite · infrared · animated
Orion, IL
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Orion, IL
Almanac · Saturday, July 4
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
Civil dawn
5:01 AM
Sunrise
12:33 AM
Daylight
15h 05m
Sunset
3:38 PM
Civil dusk
9:12 PM
Planting note
Harvest early potatoes. Begin drying onions on the surface.
Orion, IL
The moon
Waning Gibbous
80% illuminated
Moonrise
10:57 PM
Moonset
10:06 AM
In sign
♓︎ Pisces
Orion, IL
Microseason
Jul 1–5

Cicadas claim the afternoon

bird
Jan 151% of the yearDec 31

Read this microseason across nine climate regions →

Orion at a glance

  • Today vs. normal: 9°F above the seasonal normal for this latitude
  • Last frost: April 24 (climatological average for this latitude)
  • Microseason: Jul 1–5
  • Planting window: Harvest early potatoes. Begin drying onions on the surface.

ZIP code: 61273

16-Day Forecast — Orion

  1. Sat85°68°67%
  2. Sun84°68°26%
  3. Mon81°64°3%
  4. Tue79°60°1%
  5. Wed83°62°10%
  6. Thu82°68°38%
  7. Fri79°64°26%
  8. Sat84°65°16%
  9. Sun67°59°9%
  10. Mon74°55°7%
  11. Tue75°60°6%
  12. Wed79°65°15%
  13. Thu80°66°19%
  14. Fri81°68°20%
  15. Sat85°70°23%
  16. Sun85°71°29%

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 — Orion

SPC has placed Orion in the Marginal Risk category for severe thunderstorms today.

  • TODAYMRGLMarginal Risk
  • TOMORROWTSTMGeneral Thunderstorms
  • DAY 3NONENo severe risk

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 Orion

  • 61273

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.