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East Peoria, Illinois Weather

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

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

East Peoria, IL
Saturday, July 4 at 11:01 AM
82
°
Clear
Feels like
90°
Humidity
73%
Wind
7 mph
Sunrise
12:32 AM
Sunset
3:32 PM
East Peoria, IL
Hour by hour · 24h
24-Hour ForecastEast Peoria, IL: 24-hour forecast. Temperatures range from 68 to 86 degrees Fahrenheit with a 47% chance of precipitation at 3 PM.
L 68°H 86°
East Peoria, IL
7-day forecast
  1. Today
    Jul 4
    Heavy Showers
    63%
    1.3″
    86°69°—
  2. Sunday
    Jul 5
    Overcast
    15%
    —
    83°68°-3°
  3. Monday
    Jul 6
    Clear
    —
    —
    82°65°-1°
  4. Tuesday
    Jul 7
    Overcast
    —
    —
    80°61°-2°
  5. Wednesday
    Jul 8
    Light Drizzle
    —
    —
    84°64°+4°
  6. Thursday
    Jul 9
    Thunderstorm
    47%
    0.02″
    83°70°-1°
  7. Friday
    Jul 10
    Overcast
    47%
    —
    78°65°-5°
East Peoria, IL
Next 24 hours · Warm now
HOT 90°64°77°90°6a12p6p12anow 82°high 86°low 68°PRECIP %
East Peoria, IL
Anemometer · 24h winds · from true
NESW
From · True
SSW
213° · backing 6°
Direction
SSW
213°
Sustained
7
mph
Gust
13
mph
Peak 24h
19
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 19 @ 8:00p
01020MPHB1B2B3B4B5-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 207SUSTGUST
−24h−18h−12h−6hnow
Light breeze backing 6° from the ssw.
East Peoria, IL
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
997.0
-0.1 mb in 3h · steady · 29.44 inHg
Now
997.0
mb
3h
-0.1
mb
12h
-2.3
mb
24h
-2.8
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 996–1000
9909951000STORM|RAIN10051010RAIN|CHG1015CHG|FAIR10201025FAIR|DRY1030-21h-18h-15h-12h-9h-6h-3h-24hNOW999.8995.9997.0
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
East Peoria, IL
Air quality
27
AQI
Good
↓-5 in 6h▲Peak ~42 @ 10 PM

AQI 27 (Good), driven by PM2.5. AQI down 5 over the last 6 hours (gradual decline). PM2.5 at 10.6 µg/m³, PM10 at 12.0 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 during the projected peak around 10 PM.

PM 2.5DRIVERGood
10.6μg/m³
PM 10Good
12μg/m³
NO₂Good
2μg/m³
OzoneModerate
81μg/m³
UV IndexModerate
3.8

What's driving it

Ozone × UV × Sky

Ozone at AQI 38 now. With UV 4.4 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 16 around 1 PM.

Present
AQI 38
UV peak
4.4 at 1 PM
Sky at peak
partly cloudy
Projected peak
AQI 16

PM × Wind × Precip

PM2.5 at 10.6 µg/m³, PM10 at 12.0 µg/m³ — typical background levels with no transport signature.

PM2.5/PM10
0.88
Wind
light
Recent rain
1h 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).

7-DAY AQI TREND50100SATSUNMONTUEWEDTHUFRISAT7-DAY PM2.5 TREND · μg/m³300
East Peoria, IL
Sky cover · visibility · 24h
Cloud cover
6%
CLEAR
100%0%−24h−18h−12h−6hnow
Visibility
44.6mi
UNLIMITED
64 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
16:01 UTC · East Peoria, 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
16:01 UTC · East Peoria, IL · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
East Peoria, IL
Satellite · infrared · animated
East Peoria, IL
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
East Peoria, IL
Almanac · Saturday, July 4
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
Civil dawn
5:00 AM
Sunrise
12:32 AM
Daylight
15h 00m
Sunset
3:32 PM
Civil dusk
9:06 PM
Planting note
Harvest early potatoes. Begin drying onions on the surface.
East Peoria, IL
The moon
Waning Gibbous
80% illuminated
Moonrise
10:54 PM
Moonset
10:03 AM
In sign
♓︎ Pisces
East Peoria, IL
Microseason
Jul 1–5

Cicadas claim the scorching afternoon

bird
Jan 151% of the yearDec 31

Read this microseason across nine climate regions →

East Peoria at a glance

  • Today vs. normal: 11°F above the seasonal normal for this latitude
  • Last frost: April 20 (climatological average for this latitude)
  • Microseason: Jul 1–5
  • Planting window: Harvest early potatoes. Begin drying onions on the surface.

ZIP code: 61611

16-Day Forecast — East Peoria

  1. Sat86°69°63%
  2. Sun83°68°15%
  3. Mon82°65°7%
  4. Tue80°61°3%
  5. Wed84°64°6%
  6. Thu83°70°47%
  7. Fri78°65°47%
  8. Sat83°66°15%
  9. Sun70°60°6%
  10. Mon74°57°9%
  11. Tue77°61°9%
  12. Wed79°63°16%
  13. Thu83°65°20%
  14. Fri83°69°29%
  15. Sat86°70°32%
  16. Sun86°73°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 — East Peoria

SPC has placed East Peoria 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.

January 1–5: Frost quiets the live oaks.January 6–10: Still water thickens with ice.January 11–15: Springs begin to move beneath ice.January 16–20: Cardinal dawn calls grow bolder.January 21–25: Late January thaw pulses.January 26–31: Last freeze locks the land.February 1–5: February's lengthening light.February 6–10: Warming winds thaw the margin.February 11–15: Magnolia blooms break the gray.February 16–20: Mockingbirds resume the dawn chorus.February 21–25: Rain replaces the last snow.February 26–28: Mist clings to greening valleys.March 1–5: The green pulse awakens.March 6–10: Hibernators emerge to call.March 11–15: Dogwood and redbud ignite.March 16–20: Swallowtails emerge from winter silk.March 21–25: Light crowns the dogwood canopy.March 26–31: Redbud cascades over the thaw.April 1–5: Thunder announces the wet season.April 6–10: Barn swallows carve the warming sky.April 11–15: Magnolia blooms and falls in a breath.April 16–20: First rainbows arch over thunderheads.April 21–25: Reeds push through marsh water.April 26–30: Frost retreats; seedlings rise free.May 1–5: Warblers flood the canopy in waves.May 6–10: Tulip poplar lights the forest crown.May 11–15: Shad pulse upstream through rapids.May 16–20: Roses open on the Piedmont edge.May 21–25: Fireflies scout the humid dusk.May 26–31: Frog choruses rise from every wetland.June 1–5: Fireflies pulse through the magnolias.June 6–10: Kudzu climbs deeper into green.June 11–15: Sun climbs to its northern throne.June 16–20: Heat settles and the rain begins.June 21–25: The longest day turns toward shadow.June 26–30: Fireflies drift through Spanish moss.July 1–5: Cicadas claim the scorching afternoon.July 6–10: Thunderheads boil and break at dusk.July 11–15: Thunder builds each drowsy afternoon.July 16–20: Cicadas claim the long noon.July 21–25: Dog days drape the earth in haze.July 26–31: Katydids begin their rasping chorus.August 1–5: Dusk arrives one minute earlier each night.August 6–10: Meteorological summer's turning page.August 11–15: Cool winds gather at the margins.August 16–20: Dog-day cicadas rise.August 21–25: Heat breaks in creek beds.August 26–31: Monarchs gather strength.September 1–5: Harvests begin in earnest.September 6–10: Dew beads on resurrection fern.September 11–15: Raptors trail the thermals.September 16–20: Day and dark find balance.September 21–25: Thunder quiets the land.September 26–30: Insects retreat below.October 1–5: Swamp waters recede.October 6–10: Maples ignite the ridge.October 11–15: Asters crown the meadows.October 16–20: Crickets sing at dusk.October 21–25: Frost paints the garden.October 26–31: Light rains whisper down.November 1–5: Sweetgum Turns Crimson.November 6–10: Camellia Blooms Break Through.November 11–15: Earth Stiffens Underfoot.November 16–20: Bare Limbs Hold the Light.November 21–25: First Frost Grips the High Ground.November 26–30: North Wind Strips the Last Leaves.December 1–5: Darkness Falls Before Dinner.December 6–10: Winter Locks the Land.December 11–15: Wildlife Retreats to Shelter.December 16–20: Ice Edges Deepen Inward.December 21–25: The Sun Begins its Return.December 26–31: The Year Turns in Silence.🌱February 14 — First skunk-cabbage spathes thaw their way up☀️March 20 — Spring equinox — day and night balance🌸April 5 — Cherry blossoms peak in the parks🐦May 10 — Warbler migration peaks along the coast✨May 25 — First fireflies scout the meadows at dusk🌞June 21 — Summer solstice — longest day🦗July 25 — Peak cicada chorus in the afternoons🌊August 18 — Warmest sea-surface temperatures of the year🍂September 22 — Autumn equinox — the slow turn❄️October 25 — First widespread frost in the suburbs🍁November 10 — Peak leaf color across the Hudson Valley🌙December 21 — Winter solstice — longest night

Microseason · July 1–5

Cicadas claim the scorching afternoon

Dog-day cicadas emerge in waves, their rasp dominating every sunny hour; heat peaks above 90 degrees daily.

Day 185 of 365 · Wedge 37 of 72

The solar year drawn as a wheel of 72 five-day windows. Each wedge is one microseason; the four colored arcs mark winter, spring, summer, and autumn; the small icons sit at notable phenological events. The crimson pointer creeps clockwise as the year turns.

Planting calendar

MonthPlantHarvest
January——
February——
March——
Aprillettuce, peas, spinach, radishes—
Maylettuce, peas, spinach, radishes, tomatoes, peppers, beans, squashlettuce, peas, radishes
Junetomatoes, peppers, beans, squashlettuce, peas, radishes
Julytomatoes, peppers, beans, squashtomatoes, beans, summer squash
August—tomatoes, beans, summer squash
Septemberfall brassicas, garlic (overwinter), carrotstomatoes, beans, summer squash
Octoberfall brassicas, garlic (overwinter), carrotswinter squash, tomatoes (last)
November——
December——

A year in weather

The year in East Peoria tops out in July (~76°F) and dips lowest in January (~26°F), with May wettest at 4.7 inches and February driest at 2.0 inches.

MonthMean tempPrecipRainy days
January26°2.1″5
February30°2.0″5
March41°2.7″6
April53°4.0″8
May64°4.7″8
June73°3.7″7
July76°3.5″5
August75°3.3″6
September67°3.5″5
October55°3.2″6
November42°2.7″6
December31°2.2″5

Regional context

Drawing on NOAA NCEI 1991-2020 normals, East Peoria's January averages 26°F and July 76°F — 51°F apart — while precipitation totals roughly 37.6 inches over some 71 days.

East Peoria's rain peaks in summer: May brings 4.7 inches over 8.4 thunderstorm-fed days, while February sees just 2.0 inches across 4.6 days under cooler, drier air. It is a warm-season-wet pattern East Peoria shares with places like Creve Coeur, IL, Marquette Heights, IL and Peoria Heights, IL.

East Peoria's growing window opens around mid-April, once East Peoria's overnight lows stop freezing — sow kale, peas, spinach, and parsnips. In East Peoria, warm-season transplants — tomatoes, peppers, basil — wait two weeks past East Peoria's frost date. Around mid-November, freezing nights resume in East Peoria and tender crops must come in. In East Peoria, low spots run 4-7°F colder than nearby slopes, nudging East Peoria's frost dates a week.

Similar climates: Creve Coeur, IL, Marquette Heights, IL, Peoria Heights, IL, West Peoria, IL, Morton, IL.

Frequently asked

When does it freeze in East Peoria?
In East Peoria, expect the last spring frost near mid-April; East Peoria's first autumn frost comes around mid-November.
What is the rainy season in East Peoria?
May is the wettest month in East Peoria, about 4.7 inches on average; the year totals roughly 38 inches.
What is the warmest month in East Peoria?
The warmest stretch in East Peoria comes in July, around 76°F on average.
What is the coldest month in East Peoria?
On average January is the chilliest month in East Peoria, about 26°F.
When can I start a vegetable garden in East Peoria?
Time tomatoes in East Peoria for two weeks after mid-April; peas and greens start at East Peoria's frost line.
How many rainy days does East Peoria get?
Expect roughly 71 wet days a year in East Peoria.
What hardiness zone is East Peoria?
East Peoria's USDA zone comes from its January mean (26°F); enter the ZIP on the USDA lookup for the number.
What is the 10-day forecast for East Peoria?
East Peoria's extended outlook — daily high and low temperatures and precipitation chances for each upcoming day — is in the daily forecast above.
Will it rain this week in East Peoria?
See this week's day-by-day rain chances for East Peoria in the daily forecast above, and the next 24 hours in the hourly chart.
What is the weather like right now in East Peoria?
Current conditions for East Peoria and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
How often is the East Peoria forecast updated?
The East Peoria forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
When are sunrise and sunset in East Peoria?
Today's sunrise and sunset times for East Peoria are in the Almanac section above, along with civil dawn, civil dusk, and day length. Day length is longest near the summer solstice and shortest near the winter solstice.
How accurate is the weather forecast for East Peoria?
The next few days in East Peoria's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.

Climate

East Peoria, Illinois has a humid subtropical climate: January averages roughly 26°F, July about 76°F, 50°F between them.

In a typical year East Peoria records about 38 inches of precipitation on around 71 days.

At 40.7°N, East Peoria's 50°F summer-to-winter swing sets when East Peoria's gardens wake and when frost returns.

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Peoria, IL weather →

ZIP codes in East Peoria

  • 61611
  • 61612
  • 61635

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.