What is the weather in Rock Falls right now?

Current weather in Rock Falls is thunderstorm with light rain.

Where can I find the hourly weather forecast for Rock Falls?

This page shows hourly weather forecast for Rock Falls, including temperature, wind, precipitation, humidity and cloud cover.

Is the weather forecast for Rock Falls updated regularly?

Weather data for Rock Falls is updated regularly with the latest available observations and forecasts.

Now · 4:26 AM

Rock Falls Weather & Hourly Forecast

United States · Illinois · 61071

65°F

Light thunderstorms

Feels like: 64°F

💧 Humidity 93% 🌡 Pressure 30.18 inHg 💨 Wind 8 mph 👁 Visibility 2.1 mi ☁ Clouds 100% ☀️ UV index 0.0 · Low 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for Rock Falls

Today

5:00 AM

Light rain

64° 💧 0.139 in 💨 7 mph H 93%30.21 inHg

8:00 AM

Overcast

63° 💧 0.030 in 💨 11 mph H 89%30.30 inHg

11:00 AM

Light rain

67° 💧 0.089 in 💨 8 mph H 92%30.30 inHg

2:00 PM

Light thunderstorms

69° 💧 0.024 in 💨 9 mph H 94%30.24 inHg

5:00 PM

Overcast

73° 💧 0.010 in 💨 9 mph H 82%30.21 inHg

8:00 PM

Overcast night

69° 💧 0.506 in 💨 7 mph H 93%30.21 inHg

11:00 PM

Thunderstorms

66° 💧 0.117 in 💨 7 mph H 95%30.21 inHg

Tomorrow

2:00 AM

Mostly cloudy night

65° 💧 0.626 in 💨 2 mph H 98%30.15 inHg

5:00 AM

Severe thunderstorms

66° 💧 0.645 in 💨 5 mph H 96%30.18 inHg

8:00 AM

Light rain

65° 💧 0.033 in 💨 6 mph H 97%30.21 inHg

11:00 AM

Overcast

73° 💧 0.001 in 💨 7 mph H 84%30.24 inHg

2:00 PM

Overcast

78° 💧 0.003 in 💨 4 mph H 75%30.18 inHg

5:00 PM

Overcast

75° 💧 0.000 in 💨 8 mph H 81%30.18 inHg

8:00 PM

Overcast night

72° 💧 0.001 in 💨 7 mph H 86%30.21 inHg

11:00 PM

Overcast night

70° 💧 None 💨 7 mph H 85%30.24 inHg

Friday

2:00 AM

Clear night

65° 💧 None 💨 6 mph H 84%30.24 inHg

Today

5:00 AM

Light rain

64° 💧 0.060 in 💨 7 mph H 93%30.21 inHg

6:00 AM

Light rain

63° 💧 0.053 in 💨 11 mph H 93%30.27 inHg

7:00 AM

Light rain

62° 💧 0.026 in 💨 12 mph H 91%30.27 inHg

8:00 AM

Overcast

63° 💧 0.001 in 💨 11 mph H 89%30.30 inHg

9:00 AM

Light rain

64° 💧 0.011 in 💨 10 mph H 90%30.27 inHg

10:00 AM

Light rain

64° 💧 0.018 in 💨 10 mph H 93%30.27 inHg

11:00 AM

Light rain

67° 💧 0.026 in 💨 8 mph H 92%30.30 inHg

12:00 PM

Light rain

67° 💧 0.027 in 💨 7 mph H 96%30.30 inHg

1:00 PM

Light rain

69° 💧 0.036 in 💨 9 mph H 94%30.27 inHg

2:00 PM

Light thunderstorms

69° 💧 0.023 in 💨 9 mph H 94%30.24 inHg

3:00 PM

Overcast

73° 💧 0.001 in 💨 10 mph H 83%30.24 inHg

4:00 PM

Overcast

73° 💧 0.000 in 💨 10 mph H 82%30.21 inHg

5:00 PM

Overcast

73° 💧 0.001 in 💨 9 mph H 82%30.21 inHg

6:00 PM

Light rain

71° 💧 0.008 in 💨 7 mph H 88%30.18 inHg

7:00 PM

Overcast

70° 💧 0.001 in 💨 6 mph H 90%30.18 inHg

8:00 PM

Overcast night

69° 💧 None 💨 7 mph H 93%30.21 inHg

9:00 PM

Light rain

68° 💧 0.006 in 💨 9 mph H 92%30.21 inHg

10:00 PM

Severe thunderstorms

67° 💧 0.501 in 💨 7 mph H 94%30.24 inHg

11:00 PM

Thunderstorms

66° 💧 0.117 in 💨 7 mph H 95%30.21 inHg

Tomorrow

12:00 AM

Mostly clear night

66° 💧 0.000 in 💨 5 mph H 96%30.21 inHg

1:00 AM

Mostly clear night

66° 💧 None 💨 3 mph H 97%30.18 inHg

2:00 AM

Mostly cloudy night

65° 💧 None 💨 2 mph H 98%30.15 inHg

3:00 AM

Thunderstorms

65° 💧 0.169 in 💨 9 mph H 96%30.15 inHg

4:00 AM

Severe thunderstorms

65° 💧 0.457 in 💨 8 mph H 96%30.18 inHg

5:00 AM

Severe thunderstorms

66° 💧 0.296 in 💨 5 mph H 96%30.18 inHg

6:00 AM

Thunderstorms

65° 💧 0.225 in 💨 3 mph H 96%30.18 inHg

7:00 AM

Thunderstorms

65° 💧 0.124 in 💨 5 mph H 96%30.18 inHg

8:00 AM

Light rain

65° 💧 0.026 in 💨 6 mph H 97%30.21 inHg

9:00 AM

Overcast

66° 💧 0.001 in 💨 6 mph H 95%30.21 inHg

10:00 AM

Light rain

69° 💧 0.006 in 💨 7 mph H 91%30.21 inHg

11:00 AM

Overcast

73° 💧 0.001 in 💨 7 mph H 84%30.24 inHg

12:00 PM

Overcast

76° 💧 None 💨 4 mph H 79%30.21 inHg

1:00 PM

Overcast

78° 💧 0.000 in 💨 4 mph H 75%30.21 inHg

2:00 PM

Overcast

78° 💧 0.001 in 💨 4 mph H 75%30.18 inHg

3:00 PM

Overcast

78° 💧 0.001 in 💨 4 mph H 76%30.18 inHg

4:00 PM

Overcast

77° 💧 0.001 in 💨 6 mph H 77%30.18 inHg

5:00 PM

Overcast

75° 💧 0.000 in 💨 8 mph H 81%30.18 inHg

6:00 PM

Overcast

74° 💧 None 💨 8 mph H 83%30.18 inHg

7:00 PM

Overcast

73° 💧 None 💨 7 mph H 84%30.18 inHg

8:00 PM

Overcast night

72° 💧 0.001 in 💨 7 mph H 86%30.21 inHg

9:00 PM

Overcast night

71° 💧 0.000 in 💨 7 mph H 87%30.21 inHg

10:00 PM

Overcast night

71° 💧 None 💨 6 mph H 86%30.24 inHg

11:00 PM

Overcast night

70° 💧 None 💨 7 mph H 85%30.24 inHg

Friday

12:00 AM

Mostly cloudy night

69° 💧 None 💨 6 mph H 83%30.24 inHg

1:00 AM

Clear night

67° 💧 None 💨 6 mph H 84%30.24 inHg

2:00 AM

Clear night

65° 💧 None 💨 6 mph H 84%30.24 inHg

3:00 AM

Clear night

64° 💧 None 💨 6 mph H 82%30.24 inHg

4:00 AM

Clear night

63° 💧 None 💨 5 mph H 83%30.24 inHg

5:00 AM

Mostly cloudy night

62° 💧 None 💨 5 mph H 85%30.24 inHg

6:00 AM

Mostly cloudy night

61° 💧 None 💨 6 mph H 87%30.24 inHg

7:00 AM

Mostly sunny

61° 💧 None 💨 6 mph H 89%30.24 inHg

8:00 AM

Sunny

63° 💧 None 💨 6 mph H 87%30.27 inHg

9:00 AM

Mostly sunny

66° 💧 None 💨 8 mph H 83%30.24 inHg

10:00 AM

Partly cloudy

69° 💧 None 💨 8 mph H 79%30.24 inHg

11:00 AM

Mostly cloudy

73° 💧 None 💨 8 mph H 73%30.24 inHg

12:00 PM

Overcast

75° 💧 None 💨 9 mph H 68%30.21 inHg

1:00 PM

Overcast

75° 💧 0.000 in 💨 9 mph H 69%30.18 inHg

2:00 PM

Overcast

76° 💧 0.000 in 💨 10 mph H 68%30.15 inHg

3:00 PM

Overcast

76° 💧 0.000 in 💨 9 mph H 66%30.15 inHg

4:00 PM

Overcast

76° 💧 None 💨 10 mph H 66%30.12 inHg

5:00 PM

Overcast

77° 💧 None 💨 10 mph H 66%30.09 inHg

6:00 PM

Overcast

75° 💧 None 💨 8 mph H 71%30.06 inHg

7:00 PM

Overcast

73° 💧 None 💨 8 mph H 75%30.06 inHg

10:00 PM

Mostly clear night

71° 💧 None 💨 10 mph H 78%30.06 inHg

Saturday

1:00 AM

Overcast night

69° 💧 None 💨 10 mph H 79%30.00 inHg

4:00 AM

Mostly cloudy night

68° 💧 None 💨 11 mph H 83%29.94 inHg

7:00 AM

Overcast

70° 💧 None 💨 8 mph H 86%29.88 inHg

10:00 AM

Overcast

75° 💧 None 💨 7 mph H 92%29.88 inHg

1:00 PM

Overcast

84° 💧 None 💨 9 mph H 67%29.83 inHg

4:00 PM

Light rain

84° 💧 None 💨 8 mph H 69%29.80 inHg

7:00 PM

Light rain

75° 💧 None 💨 5 mph H 92%29.83 inHg

10:00 PM

Overcast night

73° 💧 None 💨 9 mph H 96%29.85 inHg

Sunday

1:00 AM

Overcast night

67° 💧 None 💨 11 mph H 94%29.91 inHg

4:00 AM

Moderate rain

66° 💧 None 💨 10 mph H 95%29.91 inHg

7:00 AM

Light rain

63° 💧 None 💨 11 mph H 95%29.97 inHg

10:00 AM

Light rain

65° 💧 None 💨 15 mph H 90%29.97 inHg

1:00 PM

Overcast

69° 💧 None 💨 13 mph H 77%30.00 inHg

4:00 PM

Overcast

70° 💧 None 💨 12 mph H 72%29.97 inHg

7:00 PM

Moderate rain

65° 💧 None 💨 11 mph H 88%29.97 inHg

10:00 PM

Moderate rain

63° 💧 None 💨 11 mph H 92%30.00 inHg

Monday

1:00 AM

Light rain

64° 💧 None 💨 10 mph H 93%29.97 inHg

4:00 AM

Light rain

63° 💧 None 💨 9 mph H 93%29.97 inHg

7:00 AM

Light rain

63° 💧 None 💨 10 mph H 95%29.97 inHg

10:00 AM

Light rain

65° 💧 None 💨 13 mph H 87%30.00 inHg

1:00 PM

Overcast

67° 💧 None 💨 13 mph H 79%30.00 inHg

4:00 PM

Moderate rain

65° 💧 None 💨 10 mph H 86%30.00 inHg

7:00 PM

Overcast night

63° 💧 None 💨 11 mph H 93%30.00 inHg

Tuesday

1:00 AM

Overcast night

62° 💧 None 💨 9 mph H 91%30.06 inHg

7:00 AM

Overcast

61° 💧 None 💨 10 mph H 91%30.09 inHg

1:00 PM

Overcast

68° 💧 None 💨 8 mph H 75%30.15 inHg

7:00 PM

Overcast night

64° 💧 None 💨 8 mph H 83%30.15 inHg

Wednesday

1:00 AM

Overcast night

63° 💧 None 💨 4 mph H 90%30.21 inHg

7:00 AM

Overcast

63° 💧 None 💨 4 mph H 94%30.21 inHg

1:00 PM

Overcast

71° 💧 None 💨 4 mph H 74%30.24 inHg

7:00 PM

Overcast night

68° 💧 None 💨 3 mph H 86%30.18 inHg

Thursday

1:00 AM

Overcast night

64° 💧 None 💨 6 mph H 96%30.18 inHg

7:00 AM

Moderate rain

64° 💧 None 💨 6 mph H 97%30.18 inHg

1:00 PM

Light rain

78° 💧 None 💨 6 mph H 75%30.12 inHg

7:00 PM

Light thunderstorms

73° 💧 None 💨 6 mph H 89%30.03 inHg

Friday

1:00 AM

Mostly cloudy night

68° 💧 None 💨 4 mph H 97%30.06 inHg

7:00 AM

Overcast

68° 💧 None 💨 5 mph H 99%30.06 inHg

1:00 PM

Partly cloudy

75° 💧 None 💨 8 mph H 69%30.09 inHg

7:00 PM

Clear night

68° 💧 None 💨 5 mph H 80%30.12 inHg

Saturday

1:00 AM

Overcast night

64° 💧 None 💨 6 mph H 88%30.12 inHg

7:00 AM

Mostly cloudy

64° 💧 None 💨 6 mph H 92%30.18 inHg

1:00 PM

Partly cloudy

74° 💧 None 💨 8 mph H 63%30.15 inHg

7:00 PM

Partly cloudy night

68° 💧 None 💨 5 mph H 76%30.09 inHg

Sunday

1:00 AM

Clear night

62° 💧 None 💨 2 mph H 89%30.12 inHg

7:00 AM

Overcast

61° 💧 None 💨 1 mph H 97%30.12 inHg

1:00 PM

Overcast

73° 💧 None 💨 1 mph H 60%30.09 inHg

7:00 PM

Mostly clear night

69° 💧 None 💨 1 mph H 71%30.03 inHg

Monday

1:00 AM

Mostly clear night

63° 💧 None 💨 0 mph H 88%30.06 inHg

7:00 AM

Partly cloudy

58° 💧 None 💨 3 mph H 96%30.06 inHg

1:00 PM

Overcast

74° 💧 None 💨 7 mph H 56%30.03 inHg

7:00 PM

Partly cloudy night

69° 💧 None 💨 3 mph H 78%29.97 inHg

Tuesday

1:00 AM

Mostly cloudy night

64° 💧 None 💨 4 mph H 84%30.00 inHg

7:00 AM

Mostly sunny

61° 💧 None 💨 3 mph H 87%30.00 inHg

1:00 PM

Sunny

75° 💧 None 💨 3 mph H 63%29.94 inHg

7:00 PM

Clear night

68° 💧 None 💨 3 mph H 78%29.88 inHg

Wednesday

1:00 AM

Clear night

60° 💧 None 💨 4 mph H 93%29.91 inHg

7:00 AM

Sunny

57° 💧 None 💨 4 mph H 93%29.94 inHg

1:00 PM

Sunny

77° 💧 None 💨 3 mph H 59%29.94 inHg

7:00 PM

Clear night

72° 💧 None 💨 6 mph H 75%29.91 inHg

In Rock Falls and, more broadly, across the state of Illinois: Tonight, the sky will be mostly cloudy, with temperatures holding steady between 79 and 80 degrees Fahrenheit. Light south winds will blow at around 4 mph, with gusts reaching up to 6 mph. No significant rainfall is expected during the evening hours, so conditions are likely to remain dry. The mild temperatures and gentle breezes will create a relatively comfortable evening. As the night progresses, skies may remain partly cloudy, but overall, weather conditions should be stable with no major changes anticipated.

15-Day Weather Outlook for Rock Falls

TomorrowTomorrow

Thunderstorms 78°/65° 💧 None 💨 9 mph

Friday, Sep 18Fri Sep 18

Mostly cloudy 77°/61° 💧 1.827 in 💨 10 mph

Saturday, Sep 19Sat Sep 19

Light rain 84°/68° 💧 0.211 in 💨 11 mph

Sunday, Sep 20Sun Sep 20

Moderate rain 70°/63° 💧 1.062 in 💨 15 mph

Monday, Sep 21Mon Sep 21

Moderate rain 67°/63° 💧 0.930 in 💨 13 mph

Tuesday, Sep 22Tue Sep 22

Overcast 68°/61° 💧 0.044 in 💨 10 mph

Wednesday, Sep 23Wed Sep 23

Overcast 71°/63° 💧 0.014 in 💨 4 mph

Thursday, Sep 24Thu Sep 24

Light thunderstorms 78°/64° 💧 0.448 in 💨 6 mph

Friday, Sep 25Fri Sep 25

Partly cloudy 75°/68° 💧 0.372 in 💨 8 mph

Saturday, Sep 26Sat Sep 26

Overcast 74°/64° 💧 None 💨 8 mph

Sunday, Sep 27Sun Sep 27

Overcast 73°/61° 💧 0.001 in 💨 2 mph

Monday, Sep 28Mon Sep 28

Mostly sunny 74°/58° 💧 0.001 in 💨 7 mph

Tuesday, Sep 29Tue Sep 29

Mostly cloudy 75°/61° 💧 None 💨 4 mph

Wednesday, Sep 30Wed Sep 30

Sunny 77°/57° 💧 None 💨 6 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Rock Falls

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Rock Falls

Hourly forecast · Updated every 2 hours

Good

Nearest forecast value 5:00 AM

PM2.5 Fine particles Good 3,6µg/m³

Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.

PM10 Particulate matter Good 3,7µg/m³

Includes dust, pollen and other airborne particles. High concentrations may irritate the respiratory system.

O₃ Ozone Good 43,5µg/m³

Ground-level ozone can irritate the eyes and respiratory system when concentrations are elevated.

NO₂ Nitrogen dioxide Good 3,0µg/m³

A gas emitted mainly by traffic and some industrial activity. High exposure can affect respiratory health.

Air quality is favorable for outdoor activities.

UV & HEALTH

UV, Sun & Health Outlook in Rock Falls

Maximum daily UV Today, tomorrow and the following day show the maximum UV index forecast for each day.

0–2 Low 3–5 Moderate 6–7 High 8–10 Very high 11+ Extreme

Today UV 5,1Moderate 😊Good

Tomorrow UV 4,2Moderate 🙂Fair

Friday UV 6,2High 🙂Fair

Saturday UV 3,1Moderate 🙂Fair

Sunday UV 6,0High 😊Good

Monday UV 6,0High —Unavailable

Tuesday UV 5,0Moderate —Unavailable

Hourly UV index today

7:00 AMUV 0,0 8:00 AMUV 0,3 9:00 AMUV 1,0 10:00 AMUV 2,0 11:00 AMUV 1,8 12:00 PMUV 5,1 1:00 PMUV 3,8 2:00 PMUV 2,3 3:00 PMUV 1,8 4:00 PMUV 1,1 5:00 PMUV 0,9 6:00 PMUV 0,3

Today's weather health advice Open today's recommendations.

Moderate UV risk

Sunglasses and sun protection are recommended for prolonged exposure.

Good air quality

Air quality is good and outdoor activities can be enjoyed normally.

Comfortable temperature conditions

Temperatures should feel comfortable for most people, with no particular heat or cold precautions needed.

Good conditions for outdoor activities

Outdoor activities can generally be enjoyed normally, with sun protection adjusted to the UV level.

WIND OUTLOOK

Hourly Wind Forecast for Rock Falls

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · ROCK FALLS, ILLINOIS

Tonight's Stargazing & Shooting Stars

Local night-sky conditions and meteor activity for Jasper.

0/100Best-hour score

No good viewing window tonight Astronomical darkness exists, but current sky conditions are unfavorable.

☁ Cloud cover 100% Real hourly forecast for the best viewing hour.

☾ Moonlight 22% Waxing Crescent · Moon below the horizon at the best viewing hour.

☄ Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 84° high at the best hour.

✦ Estimated visible meteors Poor visibility Meteor activity may occur above the clouds, but local viewing conditions are not suitable.

Chance ≥1 meteor in 30 minNot meaningful

UPCOMING METEOR PERIODSStart, peak and end dates · weather should be checked closer to the peak.

SEP 5–SEP 21

September ε-PerseidsStart SEP 5 · Peak SEP 9 · End SEP 21 · ZHR 8 · 6% Moon at peak

ACTIVE NOW

SEP 20–NOV 20

Southern TauridsStart SEP 20 · Peak NOV 5 · End NOV 20 · ZHR 7 · 20% Moon at peak

UPCOMING

OCT 2–NOV 7

OrionidsStart OCT 2 · Peak OCT 21 · End NOV 7 · ZHR 20 · 77% Moon at peak

UPCOMING

OCT 20–DEC 10

Northern TauridsStart OCT 20 · Peak NOV 12 · End DEC 10 · ZHR 5 · 7% Moon at peak

UPCOMING

Experimental local observing estimate. Weather values come from the hourly forecast already used on this page. Moon position and astronomical darkness are calculated locally from time and coordinates. Meteor-shower ZHR describes ideal conditions and is not the number of meteors a person should expect to see locally.

DISCOVER WEATHER NEARBY Weather in other cities

Explore current conditions and forecasts for other locations.

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Forecast data for Rock Falls were last refreshed today at 4:26 AM. The current forecast period extends through 18/09/2026 at 2:00 AM. Weather, air-quality and UV-index data are provided through WEATHER-INFO.COM. Forecasts are produced automatically from the latest available data and are subject to periodic technical checks. This service is intended for general weather information.