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

River Forest, Indiana Weather

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

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

River Forest, IN
Saturday, July 4 at 12:30 PM
86
°
Clear
Feels like
97°
Humidity
62%
Wind
6 mph
Sunrise
2:19 AM
Sunset
5:15 PM
River Forest, IN
Hour by hour · 24h
24-Hour ForecastRiver Forest, IN: 24-hour forecast. Temperatures range from 70 to 90 degrees Fahrenheit with a 48% chance of precipitation at 10 PM.
L 70°H 90°
River Forest, IN
7-day forecast
  1. Today
    Jul 4
    Light Rain
    48%
    0.17″
    90°73°
  2. Sunday
    Jul 5
    Drizzle
    23%
    0.05″
    83°70°-7°
  3. Monday
    Jul 6
    Light Drizzle
    26%
    79°68°-4°
  4. Tuesday
    Jul 7
    Overcast
    81°62°+2°
  5. Wednesday
    Jul 8
    Overcast
    83°64°+2°
  6. Thursday
    Jul 9
    T-storm w/ Hail
    45%
    82°66°-1°
  7. Friday
    Jul 10
    Light Drizzle
    48%
    76°69°-6°
River Forest, IN
Anemometer · 24h winds · from true
NESW
From · True
SW
223° · backing 13°
Direction
SW
223°
Sustained
6
mph
Gust
10
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 @ 5:00p
0102030MPHB1B2B3B4B5B6-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 262SUSTGUST
−24h−18h−12h−6hnow
Light breeze backing 13° from the sw.
River Forest, IN
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
984.9
+0.4 mb in 3h · steady · 29.08 inHg
Now
984.9
mb
3h
+0.4
mb
12h
0.0
mb
24h
-4.1
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 984989
9809859909951000STORM|RAIN10051010RAIN|CHG1015CHG|FAIR10201025FAIR|DRY1030-21h-18h-15h-12h-9h-6h-3h-24hNOW988.8984.2984.7
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
River Forest, IN
Air quality
39
AQI
Good
0 in 6hPeak ~111 @ 11 PM

AQI 39 (Good), driven by Ozone. Ozone at AQI 106 now. With UV 7.2 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 102 around 1 PM.

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

PM 2.5Moderate
14.8μg/m³
PM 10Good
17μg/m³
NO₂Good
2μg/m³
OzoneDRIVERUnhealthy
142μg/m³
UV IndexHigh
7.0

What's driving it

Ozone × UV × Sky

Ozone at AQI 106 now. With UV 7.2 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 102 around 1 PM.

Present
AQI 106
UV peak
7.2 at 1 PM
Sky at peak
clear
Projected peak
AQI 102

PM × Wind × Precip

PM2.5 at 14.8 µg/m³ (AQI 62) with a 0.88 fine-to-coarse ratio and 6 mph wind — combustion smoke trapped in calm air, not road dust.

PM2.5/PM10
0.88
Wind
light
Recent rain
0h in last 6h
Pattern
stagnant smoke
River Forest, IN
Sky cover · visibility · 24h
Cloud cover
15%
CLEAR
100%0%−24h−18h−12h−6hnow

Visibility
58.9mi
UNLIMITED
77 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
16:30 UTC · River Forest, 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
16:30 UTC · River Forest, IN · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
River Forest, IN
Satellite · infrared · animated
River Forest, IN
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
River Forest, 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
2:19 AM
Daylight
14h 56m
Sunset
5:15 PM
Civil dusk
9:49 PM
Planting note
Harvest early potatoes. Begin drying onions on the surface.
River Forest, IN
The moon
Waning Gibbous
80% illuminated
Moonrise
11:38 PM
Moonset
10:48 AM
In sign
♓︎ Pisces
River Forest, IN
Microseason
Jul 1–5

Cicadas claim the scorching afternoon

bird
Jan 151% of the yearDec 31

Read this microseason across nine climate regions →

River Forest at a glance

  • Today vs. normal: 14°F above the seasonal normal for this latitude
  • Last frost: April 17 (climatological average for this latitude)
  • Microseason: Jul 1–5
  • Planting window: Harvest early potatoes. Begin drying onions on the surface.

16-Day Forecast — River Forest

  1. Sat90°72°48%
  2. Sun83°70°23%
  3. Mon79°68°26%
  4. Tue81°62°5%
  5. Wed83°64°6%
  6. Thu82°66°45%
  7. Fri76°69°48%
  8. Sat83°66°30%
  9. Sun71°59°10%
  10. Mon70°59°16%
  11. Tue75°59°16%
  12. Wed81°62°23%
  13. Thu82°66°17%
  14. Fri84°68°19%
  15. Sat85°67°26%
  16. Sun84°70°42%

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 — River Forest

SPC has placed River Forest 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.

ZIP codes in River Forest

  • 46011

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.