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Rock Falls, Wisconsin Weather

Prairie lightning bugs rise. Day 77 of spring. Read this microseason across nine climate regions →

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

Rock Falls, WI
Thursday, June 4 at 4:17 AM
70
°
Clear
Feels like
66°
Humidity
44%
Wind
8 mph
Sunrise
5:23 AM
Sunset
8:46 PM
Rock Falls, WI
Hour by hour · 24h
24-Hour ForecastRock Falls, WI: 24-hour forecast. Temperatures range from 64 to 83 degrees Fahrenheit with a 30% chance of precipitation at 5 PM.
L 64°H 83°
Rock Falls, WI
7-day forecast
  1. Today
    Jun 3
    Mostly Clear
    83°58°
  2. Thursday
    Jun 4
    Heavy Rain
    33%
    0.44″
    83°64°
  3. Friday
    Jun 5
    Light Drizzle
    73%
    83°63°
  4. Saturday
    Jun 6
    Clear
    36%
    81°61°-2°
  5. Sunday
    Jun 7
    Overcast
    13%
    83°57°+2°
  6. Monday
    Jun 8
    Heavy Drizzle
    47%
    0.05″
    79°65°-4°
  7. Tuesday
    Jun 9
    Drizzle
    42%
    0.02″
    79°68°
Rock Falls, WI
Anemometer · 24h winds · from true
NESW
From · True
SSE
167° · steady
Direction
SSE
167°
Sustained
8
mph
Gust
15
mph
Peak 24h
18
avg 9
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 9 · pk 18 @ 8:00p
0102030MPHB1B2B3B4B5B6B7-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 2817SUSTGUST
−24h−18h−12h−6hnow
Light breeze holding from the sse.
Rock Falls, WI
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
986.3
-0.5 mb in 3h · steady · 29.13 inHg
Now
986.3
mb
3h
-0.5
mb
12h
-4.3
mb
24h
-7.8
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 986994
9809859909951000STORM|RAIN-21h-18h-15h-12h-9h-6h-3h-24hNOW994.0985.8985.8
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Rock Falls, WI
Air quality
69
AQI
Good
+8 in 6h

Ozone at AQI 43. AQI up 8 over the last 6 hours (gradual rise). Overcast through the UV peak window (cloud cover ~95%) — 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
3.7μg/m³
PM 10Good
4μg/m³
NO₂Good
4μg/m³
OzoneDRIVERModerate
90μg/m³
UV IndexLow
0.0

What's driving it

Ozone × UV × Sky

Ozone at AQI 43. Overcast through the UV peak window (cloud cover ~95%) — afternoon ozone should stay flat.

Present
AQI 43
UV peak
0.0 at 1 PM
Sky at peak
overcast
Projected peak
AQI 5
Rock Falls, WI
Sky cover · visibility · 24h
Cloud cover
19%
CLEAR
100%0%−24h−18h−12h−6hnow

Visibility
88.9mi
UNLIMITED
129 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
04:17 UTC ·Rock Falls, WI · NOAA NESDIS / STAR · 21696x21696 px
Continental US · GOES-19 ABI
CONUS Sector · Visible · GeoColor
GOES-19 CONUS Visible · GeoColor
Daytime true-color, blue-light/IR sandwich at night
04:17 UTC ·Rock Falls, WI · NOAA NESDIS / STAR · 5-min cadence · 10000x6000 px
Rock Falls, WI
Satellite · infrared · animated
Rock Falls, WI
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Rock Falls, WI
Almanac · Thursday, June 4
A summer fog for fair, a winter fog for rain.
Civil dawn
9:48 AM
Sunrise
5:23 AM
Daylight
15h 23m
Sunset
8:46 PM
Civil dusk
2:24 AM
Planting note
Harvest spring lettuce before it bolts. Sow heat-tolerant greens.
Rock Falls, WI
The moon
Waning Gibbous
87% illuminated
Moonrise
4:52 AM
Moonset
1:53 PM
In sign
♑︎ Capricorn
Rock Falls, WI
Microseason
Jun 1–5

Prairie lightning bugs rise

bird
Jan 142% of the yearDec 31

Read this microseason across nine climate regions →

Rock Falls at a glance

  • Today vs. normal: 70°F — typical for the season
  • Last frost: May 14 (climatological average for this latitude)
  • Microseason: Jun 1–5
  • Planting window: Harvest spring lettuce before it bolts. Sow heat-tolerant greens.

Right now in the garden

Peak growing season

As of June 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 has placed Rock Falls in the Marginal Risk category for severe thunderstorms tomorrow.

  • TODAYNONENo severe risk
  • TOMORROWMRGLMarginal Risk
  • DAY 3MRGLMarginal Risk

Isolated severe storms possible. Limited threat for hail or damaging wind.

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

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.