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

Island Lake, Illinois Weather

Solstice approaches — longest light. Day 88 of spring. Read this microseason across nine climate regions →

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

Island Lake, IL
Monday, June 15 at 9:31 AM
64
°
Clear
Feels like
61°
Humidity
64%
Wind
11 mph
Sunrise
12:15 AM
Sunset
3:31 PM
Island Lake, IL
Hour by hour · 24h
24-Hour ForecastIsland Lake, IL: 24-hour forecast. Temperatures range from 57 to 73 degrees Fahrenheit.
L 57°H 73°
Island Lake, IL
7-day forecast
  1. Today
    Jun 15
    Overcast
    73°50°
  2. Tuesday
    Jun 16
    Thunderstorm
    73%
    72°56°-1°
  3. Wednesday
    Jun 17
    Thunderstorm
    89%
    0.70″
    72°51°
  4. Thursday
    Jun 18
    Light Drizzle
    72%
    65°54°-7°
  5. Friday
    Jun 19
    Overcast
    67°50°+2°
  6. Saturday
    Jun 20
    Light Drizzle
    0.01″
    68°52°+1°
  7. Sunday
    Jun 21
    Drizzle
    30%
    0.09″
    68°54°
Island Lake, IL
Anemometer · 24h winds · from true
NESW
From · True
WSW
244° · backing 72°
Direction
WSW
244°
Sustained
11
mph
Gust
20
mph
Peak 24h
25
avg 8
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 8 · pk 25 @ 3:00p
0102030MPHB1B2B3B4B5B6-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 276SUSTGUST
−24h−18h−12h−6hnow
Light breeze backing 72° from the wsw.
Island Lake, IL
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
987.9
+1.0 mb in 3h · rising · 29.17 inHg
Now
987.9
mb
3h
+1.0
mb
12h
+1.5
mb
24h
+4.7
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 983988
9759809859909951000STORM|RAIN10051010RAIN|CHG1015CHG|FAIR10201025FAIR|DRY1030-21h-18h-15h-12h-9h-6h-3h-24hNOW988.1983.4988.1
−24h−18h−12h−6hnow
The low is filling — pressure climbing out of storm territory.
Island Lake, IL
Air quality
30
AQI
Good
+2 in 6hPeak ~37 @ 9 PM

AQI 30 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 5.9 µg/m³, PM10 at 6.2 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 9 PM.

PM 2.5DRIVERGood
5.9μg/m³
PM 10Good
6μg/m³
NO₂Good
8μg/m³
OzoneGood
55μg/m³
UV IndexModerate
3.0

What's driving it

PM × Wind × Precip

PM2.5 at 5.9 µg/m³, PM10 at 6.2 µg/m³ — typical background levels with no transport signature.

PM2.5/PM10
0.95
Wind
breezy
Recent rain
0h in last 6h
Pattern
background
Island Lake, IL
Sky cover · visibility · 24h
Cloud cover
0%
CLEAR
100%0%−24h−18h−12h−6hnow

Visibility
58.3mi
UNLIMITED
71 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
14:31 UTC · Island Lake, 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
14:31 UTC · Island Lake, IL · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
Island Lake, IL
Satellite · infrared · animated
Island Lake, IL
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Island Lake, IL
Almanac · Monday, June 15
A summer fog for fair, a winter fog for rain.
Civil dawn
4:42 AM
Sunrise
12:15 AM
Daylight
15h 16m
Sunset
3:31 PM
Civil dusk
9:06 PM
Planting note
Stake and prune tomato suckers. Watch for squash vine borers.
Island Lake, IL
The moon
New Moon
1% illuminated
Moonrise
5:15 AM
Moonset
8:49 PM
In sign
♋︎ Cancer
Island Lake, IL
Microseason
Jun 11–15

Solstice approaches — longest light

cultural
Jan 145% of the yearDec 31

Read this microseason across nine climate regions →

Island Lake at a glance

  • Today vs. normal: 9°F below the seasonal normal for this latitude
  • Last frost: April 30 (climatological average for this latitude)
  • Microseason: Jun 11–15
  • Planting window: Stake and prune tomato suckers. Watch for squash vine borers.

16-Day Forecast — Island Lake

  1. Mon73°50°2%
  2. Tue72°56°73%
  3. Wed72°51°89%
  4. Thu65°54°72%
  5. Fri67°50°5%
  6. Sat68°52°9%
  7. Sun68°54°30%
  8. Mon67°51°29%
  9. Tue73°50°12%
  10. Wed75°55°17%
  11. Thu79°58°20%
  12. Fri86°68°23%
  13. Sat87°73°26%
  14. Sun88°75°28%
  15. Mon80°65°40%
  16. Tue82°64°48%

Forecast data from Open-Meteo (CC BY 4.0).

Right now in the garden

Peak growing season

As of June 15, 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 — Island Lake

SPC has placed Island Lake in the Slight Risk category for severe thunderstorms day after tomorrow.

  • TODAYTSTMGeneral Thunderstorms
  • TOMORROWMRGLMarginal Risk
  • DAY 3SLGTSlight Risk

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.

ZIP codes in Island Lake

  • 60042

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.