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Rock Falls, Wisconsin Weather

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

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

Rock Falls, WI
Saturday, July 4 at 10:16 AM
74
°
Partly Cloudy
Feels like
79°
Humidity
82%
Wind
5 mph
Sunrise
12:27 AM
Sunset
3:55 PM
Rock Falls, WI
Hour by hour · 24h
24-Hour ForecastRock Falls, WI: 24-hour forecast. Temperatures range from 67 to 86 degrees Fahrenheit with a 20% chance of precipitation at 4 AM.
L 67°H 86°
Rock Falls, WI
7-day forecast
  1. Today
    Jul 4
    Light Drizzle
    32%
    0.01″
    86°65°
  2. Sunday
    Jul 5
    Light Rain
    20%
    0.09″
    83°67°-3°
  3. Monday
    Jul 6
    Partly Cloudy
    81°66°-2°
  4. Tuesday
    Jul 7
    Overcast
    10%
    83°65°+2°
  5. Wednesday
    Jul 8
    Thunderstorm
    57%
    0.16″
    76°68°-7°
  6. Thursday
    Jul 9
    Overcast
    57%
    79°62°+3°
  7. Friday
    Jul 10
    Drizzle
    10%
    80°61°+1°
Rock Falls, WI
Anemometer · 24h winds · from true
NESW
From · True
NE
050° · veering 63°
Direction
NE
050°
Sustained
5
mph
Gust
6
mph
Peak 24h
18
avg 4
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 4 · pk 18 @ 10:00p
01020MPHB1B2B3B4B5-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 184SUSTGUST
−24h−18h−12h−6hnow
A whisper of wind — leaves barely shift on the trees.
Rock Falls, WI
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
985.8
+1.0 mb in 3h · rising · 29.11 inHg
Now
985.8
mb
3h
+1.0
mb
12h
+1.2
mb
24h
+1.2
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 983986
975980985990-21h-18h-15h-12h-9h-6h-3h-24hNOW985.9983.2985.8
−24h−18h−12h−6hnow
The low is filling — pressure climbing out of storm territory.
Rock Falls, WI
Air quality
37
AQI
Good
-1 in 6hPeak ~43 @ 9 PM

AQI 37 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 12.0 µg/m³ (AQI 56) with a 0.76 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in calm air, not road dust.

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
12.0μg/m³
PM 10Good
16μg/m³
NO₂Good
1μg/m³
OzoneModerate
77μg/m³
UV IndexModerate
3.9

What's driving it

Ozone × UV × Sky

Ozone at AQI 36 now. With UV 5.5 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 19 around 1 PM.

Present
AQI 36
UV peak
5.5 at 1 PM
Sky at peak
partly cloudy
Projected peak
AQI 19

PM × Wind × Precip

PM2.5 at 12.0 µg/m³ (AQI 56) with a 0.76 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in calm air, not road dust.

PM2.5/PM10
0.76
Wind
light
Recent rain
0h in last 6h
Pattern
stagnant smoke
Rock Falls, WI
Sky cover · visibility · 24h
Cloud cover
73%
MOSTLY CLOUDY
100%0%−24h−18h−12h−6hnow

Visibility
33.4mi
UNLIMITED
62 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
15:16 UTC · Rock Falls, WI · 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
15:16 UTC · Rock Falls, WI · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
Rock Falls, WI
Satellite · infrared · animated
Rock Falls, WI
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Rock Falls, WI
Almanac · Saturday, July 4
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
Civil dawn
4:51 AM
Sunrise
12:27 AM
Daylight
15h 28m
Sunset
3:55 PM
Civil dusk
9:33 PM
Planting note
Harvest early potatoes. Begin drying onions on the surface.
Rock Falls, WI
The moon
Waning Gibbous
81% illuminated
Moonrise
11:08 PM
Moonset
10:07 AM
In sign
♓︎ Pisces
Rock Falls, WI
Microseason
Jul 1–5

Cicadas claim the afternoon

bird
Jan 151% of the yearDec 31

Read this microseason across nine climate regions →

Rock Falls at a glance

  • Today vs. normal: 7°F above the seasonal normal for this latitude
  • Last frost: May 14 (climatological average for this latitude)
  • Microseason: Jul 1–5
  • Planting window: Harvest early potatoes. Begin drying onions on the surface.

16-Day Forecast — Rock Falls

  1. Sat86°65°32%
  2. Sun83°67°20%
  3. Mon81°66°3%
  4. Tue83°65°10%
  5. Wed76°68°57%
  6. Thu79°62°57%
  7. Fri80°61°10%
  8. Sat78°62°12%
  9. Sun74°56°16%
  10. Mon77°52°8%
  11. Tue77°60°9%
  12. Wed80°63°17%
  13. Thu83°61°16%
  14. Fri86°67°19%
  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 — Rock Falls

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

  • TODAYTSTMGeneral Thunderstorms
  • TOMORROWTSTMGeneral Thunderstorms
  • DAY 3TSTMGeneral Thunderstorms

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 Rock Falls

  • 54755
  • 54764

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.