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Chemung, Illinois Weather

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

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

Chemung, IL
Saturday, July 4 at 2:34 PM
75
°
Heavy Showers
Feels like
75°
Humidity
65%
Wind
10 mph
Sunrise
12:23 AM
Sunset
3:34 PM
Chemung, IL
Hour by hour · 24h
24-Hour ForecastChemung, IL: 24-hour forecast. Temperatures range from 64 to 80 degrees Fahrenheit with a 49% chance of precipitation at 4 PM.
L 64°H 80°
Chemung, IL
7-day forecast
  1. Today
    Jul 4
    Showers
    63%
    0.41″
    80°68°
  2. Sunday
    Jul 5
    Overcast
    15%
    81°64°+1°
  3. Monday
    Jul 6
    Overcast
    77°61°-4°
  4. Tuesday
    Jul 7
    Overcast
    80°58°+3°
  5. Wednesday
    Jul 8
    Thunderstorm
    17%
    0.02″
    81°61°+1°
  6. Thursday
    Jul 9
    Light Showers
    48%
    79°64°-2°
  7. Friday
    Jul 10
    Drizzle
    36%
    77°62°-2°
Chemung, IL
Anemometer · 24h winds · from true
NESW
From · True
NE
046° · backing 130°
Direction
NE
046°
Sustained
10
mph
Gust
11
mph
Peak 24h
15
avg 5
Beaufort · 3 · GENTLE 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 15 @ 11:00p
01020MPHB1B2B3B4B5-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 1910SUSTGUST
−24h−18h−12h−6hnow
Light breeze backing 130° from the ne.
Chemung, IL
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
982.9
+1.1 mb in 3h · rising · 29.03 inHg
Now
982.9
mb
3h
+1.1
mb
12h
+1.0
mb
24h
-0.3
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 982984
975980985990-21h-18h-15h-12h-9h-6h-3h-24hNOW984.2982.1983.5
−24h−18h−12h−6hnow
The low is filling — pressure climbing out of storm territory.
Chemung, IL
Air quality
36
AQI
Good
+6 in 6hPeak ~42 @ 11 PM

AQI 36 (Good), driven by Ozone. AQI up 6 over the last 6 hours (gradual rise). Ozone at AQI 45. Overcast through the UV peak window (cloud cover ~66%) — afternoon ozone should stay flat.

OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.

PM 2.5Good
6.8μg/m³
PM 10Good
10μg/m³
NO₂Good
1μg/m³
OzoneDRIVERModerate
96μg/m³
UV IndexHigh
5.3

What's driving it

Ozone × UV × Sky

Ozone at AQI 45. Overcast through the UV peak window (cloud cover ~66%) — afternoon ozone should stay flat.

Present
AQI 45
UV peak
5.3 at 1 PM
Sky at peak
overcast
Projected peak
AQI 16

PM × Wind × Precip

PM scrubbed by 3 hours of recent rain — PM2.5 down to 6.8 µg/m³, PM10 to 9.6 µg/m³.

PM2.5/PM10
0.71
Wind
breezy
Recent rain
3h in last 6h
Pattern
washed out
Chemung, IL
Sky cover · visibility · 24h
Cloud cover
94%
OVERCAST
100%0%−24h−18h−12h−6hnow

Visibility
4.1mi
MODERATE
48 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
19:34 UTC · Chemung, 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
19:34 UTC · Chemung, IL · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
Chemung, IL
Satellite · infrared · animated
Chemung, IL
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Chemung, IL
Almanac · Saturday, July 4
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
Civil dawn
4:49 AM
Sunrise
12:23 AM
Daylight
15h 11m
Sunset
3:34 PM
Civil dusk
9:10 PM
Planting note
Harvest early potatoes. Begin drying onions on the surface.
Chemung, IL
The moon
Waning Gibbous
79% illuminated
Moonrise
10:53 PM
Moonset
9:58 AM
In sign
♓︎ Pisces
Chemung, IL
Microseason
Jul 1–5

Cicadas claim the afternoon

plant
Jan 151% of the yearDec 31

Read this microseason across nine climate regions →

Chemung at a glance

  • Today vs. normal: 6°F above the seasonal normal for this latitude
  • Last frost: April 30 (climatological average for this latitude)
  • Microseason: Jul 1–5
  • Planting window: Harvest early potatoes. Begin drying onions on the surface.

16-Day Forecast — Chemung

  1. Sat82°68°63%
  2. Sun81°64°15%
  3. Mon77°61°2%
  4. Tue80°58°1%
  5. Wed81°61°17%
  6. Thu79°64°48%
  7. Fri77°62°36%
  8. Sat74°58°10%
  9. Sun75°56°10%
  10. Mon73°55°8%
  11. Tue79°56°6%
  12. Wed76°61°33%
  13. Thu81°63°29%
  14. Fri76°68°21%
  15. Sat77°60°23%
  16. Sun74°56°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 — Chemung

SPC includes Chemung in the general thunderstorm area today — no severe risk, but storms are possible.

  • TODAYTSTMGeneral Thunderstorms
  • TOMORROWTSTMGeneral Thunderstorms
  • DAY 3NONENo severe risk

Thunderstorms possible. Not severe, but capable of producing lightning and brief heavy rain.

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 Chemung

  • 60033

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.