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Current weather in Rock Falls is clear sky.

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 · 5:20 PM

Rock Falls Weather & Hourly Forecast

United States · Illinois · 61071

94°F

Sunny

Feels like: 107°F

💧 Humidity 57% 🌡 Pressure 29.85 inHg 💨 Wind 8 mph 👁 Visibility 6.2 mi ☁ Clouds 0% ☀️ UV index 1.8 · Low 🌅 Sunrise 6:25 AM 🌇 Sunset 7:31 PM

Hourly Forecast for Rock Falls

Today

6:00 PM

Sunny

94° 💧 None 💨 8 mph H 57%29.85 inHg

9:00 PM

Clear night

87° 💧 None 💨 11 mph H 63%29.85 inHg

Tomorrow

12:00 AM

Clear night

84° 💧 None 💨 11 mph H 61%29.83 inHg

3:00 AM

Mostly cloudy night

80° 💧 0.01 in 💨 9 mph H 53%29.85 inHg

6:00 AM

Light rain

76° 💧 0.04 in 💨 7 mph H 80%29.85 inHg

9:00 AM

Light rain

82° 💧 0.01 in 💨 4 mph H 75%29.88 inHg

12:00 PM

Partly cloudy

91° 💧 None 💨 9 mph H 59%29.88 inHg

3:00 PM

Mostly sunny

95° 💧 None 💨 6 mph H 48%29.85 inHg

6:00 PM

Light rain

88° 💧 0.14 in 💨 8 mph H 77%29.85 inHg

9:00 PM

Light rain

80° 💧 0.02 in 💨 9 mph H 93%29.88 inHg

Friday

12:00 AM

Mostly cloudy night

76° 💧 None 💨 7 mph H 86%29.85 inHg

3:00 AM

Overcast night

76° 💧 None 💨 6 mph H 85%29.85 inHg

6:00 AM

Partly cloudy night

74° 💧 None 💨 2 mph H 80%29.88 inHg

9:00 AM

Light rain

78° 💧 0.01 in 💨 3 mph H 78%29.94 inHg

12:00 PM

Mostly sunny

88° 💧 None 💨 7 mph H 59%29.91 inHg

3:00 PM

Sunny

93° 💧 None 💨 9 mph H 52%29.88 inHg

Today

6:00 PM

Sunny

94° 💧 None 💨 8 mph H 57%29.85 inHg

7:00 PM

Sunny

92° 💧 None 💨 9 mph H 60%29.85 inHg

8:00 PM

Clear night

90° 💧 None 💨 10 mph H 62%29.83 inHg

9:00 PM

Clear night

87° 💧 None 💨 11 mph H 63%29.85 inHg

10:00 PM

Clear night

85° 💧 None 💨 11 mph H 63%29.85 inHg

11:00 PM

Clear night

84° 💧 None 💨 10 mph H 65%29.85 inHg

Tomorrow

12:00 AM

Clear night

84° 💧 None 💨 11 mph H 61%29.83 inHg

1:00 AM

Partly cloudy night

83° 💧 None 💨 10 mph H 56%29.83 inHg

2:00 AM

Mostly cloudy night

81° 💧 None 💨 9 mph H 57%29.83 inHg

3:00 AM

Mostly cloudy night

80° 💧 None 💨 9 mph H 53%29.85 inHg

4:00 AM

Light rain

80° 💧 0.00 in 💨 8 mph H 56%29.85 inHg

5:00 AM

Light rain

78° 💧 0.01 in 💨 8 mph H 71%29.85 inHg

6:00 AM

Light rain

76° 💧 0.01 in 💨 7 mph H 80%29.85 inHg

7:00 AM

Light rain

78° 💧 0.01 in 💨 9 mph H 82%29.88 inHg

8:00 AM

Light rain

79° 💧 0.01 in 💨 7 mph H 85%29.88 inHg

9:00 AM

Light rain

82° 💧 0.01 in 💨 4 mph H 75%29.88 inHg

10:00 AM

Partly cloudy

81° 💧 None 💨 6 mph H 79%29.88 inHg

11:00 AM

Mostly cloudy

83° 💧 None 💨 9 mph H 78%29.91 inHg

12:00 PM

Partly cloudy

91° 💧 None 💨 9 mph H 59%29.88 inHg

1:00 PM

Partly cloudy

92° 💧 None 💨 9 mph H 53%29.88 inHg

2:00 PM

Partly cloudy

95° 💧 None 💨 7 mph H 48%29.88 inHg

3:00 PM

Mostly sunny

95° 💧 None 💨 6 mph H 48%29.85 inHg

4:00 PM

Partly cloudy

94° 💧 None 💨 6 mph H 63%29.83 inHg

5:00 PM

Partly cloudy

92° 💧 None 💨 8 mph H 67%29.83 inHg

6:00 PM

Light rain

88° 💧 0.02 in 💨 8 mph H 77%29.85 inHg

7:00 PM

Light rain

82° 💧 0.01 in 💨 5 mph H 82%29.83 inHg

8:00 PM

Moderate rain

78° 💧 0.12 in 💨 11 mph H 96%29.97 inHg

9:00 PM

Light rain

80° 💧 0.02 in 💨 9 mph H 93%29.88 inHg

10:00 PM

Mostly cloudy night

78° 💧 None 💨 7 mph H 87%29.85 inHg

11:00 PM

Mostly cloudy night

76° 💧 None 💨 7 mph H 86%29.85 inHg

Friday

12:00 AM

Mostly cloudy night

76° 💧 None 💨 7 mph H 86%29.85 inHg

1:00 AM

Mostly cloudy night

76° 💧 None 💨 8 mph H 88%29.85 inHg

2:00 AM

Overcast night

77° 💧 None 💨 8 mph H 87%29.83 inHg

3:00 AM

Overcast night

76° 💧 None 💨 6 mph H 85%29.85 inHg

4:00 AM

Mostly cloudy night

76° 💧 None 💨 5 mph H 82%29.85 inHg

5:00 AM

Mostly cloudy night

75° 💧 None 💨 2 mph H 80%29.85 inHg

6:00 AM

Partly cloudy night

74° 💧 None 💨 2 mph H 80%29.88 inHg

7:00 AM

Partly cloudy

75° 💧 None 💨 3 mph H 81%29.91 inHg

8:00 AM

Sunny

75° 💧 None 💨 5 mph H 83%29.94 inHg

9:00 AM

Light rain

78° 💧 0.01 in 💨 3 mph H 78%29.94 inHg

10:00 AM

Mostly sunny

81° 💧 None 💨 1 mph H 71%29.91 inHg

11:00 AM

Mostly sunny

85° 💧 None 💨 5 mph H 63%29.91 inHg

12:00 PM

Mostly sunny

88° 💧 None 💨 7 mph H 59%29.91 inHg

1:00 PM

Mostly sunny

90° 💧 None 💨 9 mph H 57%29.91 inHg

2:00 PM

Sunny

91° 💧 None 💨 10 mph H 54%29.88 inHg

3:00 PM

Sunny

93° 💧 None 💨 9 mph H 52%29.88 inHg

4:00 PM

Sunny

92° 💧 None 💨 9 mph H 59%29.85 inHg

5:00 PM

Sunny

91° 💧 None 💨 9 mph H 64%29.85 inHg

6:00 PM

Mostly sunny

88° 💧 None 💨 7 mph H 72%29.85 inHg

7:00 PM

Mostly sunny

84° 💧 None 💨 7 mph H 75%29.85 inHg

8:00 PM

Mostly clear night

82° 💧 None 💨 8 mph H 73%29.85 inHg

9:00 PM

Clear night

81° 💧 None 💨 9 mph H 74%29.85 inHg

10:00 PM

Clear night

79° 💧 None 💨 8 mph H 77%29.88 inHg

11:00 PM

Mostly clear night

79° 💧 None 💨 8 mph H 74%29.85 inHg

Saturday

12:00 AM

Partly cloudy night

79° 💧 None 💨 7 mph H 70%29.88 inHg

1:00 AM

Partly cloudy night

79° 💧 None 💨 7 mph H 67%29.88 inHg

2:00 AM

Overcast night

79° 💧 None 💨 7 mph H 66%29.88 inHg

3:00 AM

Overcast night

78° 💧 None 💨 7 mph H 66%29.85 inHg

4:00 AM

Overcast night

77° 💧 None 💨 7 mph H 66%29.85 inHg

5:00 AM

Overcast night

75° 💧 None 💨 5 mph H 71%29.88 inHg

6:00 AM

Mostly cloudy night

74° 💧 None 💨 2 mph H 74%29.88 inHg

7:00 AM

Mostly cloudy

73° 💧 None 💨 0 mph H 78%29.91 inHg

8:00 AM

Mostly cloudy

77° 💧 None 💨 2 mph H 76%29.91 inHg

9:00 AM

Mostly cloudy

80° 💧 None 💨 4 mph H 70%29.88 inHg

10:00 AM

Mostly cloudy

84° 💧 None 💨 5 mph H 65%29.88 inHg

11:00 AM

Mostly cloudy

86° 💧 None 💨 7 mph H 62%29.91 inHg

12:00 PM

Mostly cloudy

89° 💧 None 💨 7 mph H 59%29.88 inHg

1:00 PM

Partly cloudy

91° 💧 None 💨 7 mph H 56%29.88 inHg

2:00 PM

Sunny

92° 💧 None 💨 7 mph H 55%29.88 inHg

3:00 PM

Sunny

92° 💧 None 💨 7 mph H 55%29.88 inHg

4:00 PM

Mostly sunny

92° 💧 None 💨 7 mph H 56%29.85 inHg

5:00 PM

Mostly sunny

91° 💧 None 💨 6 mph H 63%29.85 inHg

6:00 PM

Sunny

88° 💧 None 💨 6 mph H 71%29.85 inHg

7:00 PM

Sunny

83° 💧 None 💨 8 mph H 77%29.85 inHg

8:00 PM

Clear night

80° 💧 None 💨 9 mph H 77%29.88 inHg

9:00 PM

Partly cloudy night

76° 💧 None 💨 13 mph H 86%29.91 inHg

10:00 PM

Mostly cloudy night

74° 💧 None 💨 11 mph H 85%29.94 inHg

11:00 PM

Partly cloudy night

72° 💧 None 💨 11 mph H 87%29.94 inHg

Sunday

12:00 AM

Partly cloudy night

71° 💧 None 💨 11 mph H 88%29.94 inHg

1:00 AM

Partly cloudy night

70° 💧 None 💨 11 mph H 84%29.94 inHg

2:00 AM

Clear night

67° 💧 None 💨 6 mph H 89%29.97 inHg

3:00 AM

Clear night

65° 💧 None 💨 6 mph H 94%29.97 inHg

4:00 AM

Clear night

65° 💧 None 💨 7 mph H 95%29.97 inHg

5:00 AM

Clear night

65° 💧 None 💨 7 mph H 97%29.97 inHg

6:00 AM

Mostly clear night

67° 💧 None 💨 7 mph H 97%29.97 inHg

7:00 AM

Partly cloudy

72° 💧 None 💨 8 mph H 88%29.97 inHg

8:00 AM

Overcast

73° 💧 None 💨 10 mph H 87%30.00 inHg

9:00 AM

Mostly cloudy

74° 💧 None 💨 11 mph H 81%30.00 inHg

10:00 AM

Partly cloudy

75° 💧 None 💨 12 mph H 75%30.03 inHg

11:00 AM

Partly cloudy

77° 💧 None 💨 11 mph H 70%30.03 inHg

12:00 PM

Mostly cloudy

79° 💧 None 💨 11 mph H 68%30.03 inHg

1:00 PM

Partly cloudy

80° 💧 None 💨 13 mph H 66%30.00 inHg

2:00 PM

Overcast

80° 💧 None 💨 13 mph H 64%30.00 inHg

3:00 PM

Overcast

81° 💧 None 💨 10 mph H 63%30.00 inHg

4:00 PM

Overcast

81° 💧 None 💨 10 mph H 63%29.97 inHg

5:00 PM

Overcast

80° 💧 None 💨 9 mph H 68%30.00 inHg

In Rock Falls and, more broadly, across the state of Illinois: As the afternoon progresses into the evening, skies will remain mostly sunny with just a few clouds dotted across the sky. Temperatures will stay hot, ranging from around 82 to 94 degrees Fahrenheit. Winds will be light, coming from the south at no more than 8 mph, with occasional gusts reaching up to 23 mph. No precipitation is expected during this time, so dry conditions will continue into the night. The warm temperatures and gentle breezes will make for a pleasant evening, though it will remain warm after sunset. Be sure to stay hydrated if you're spending time outdoors later in the day. Overall, expect clear and warm conditions as the evening unfolds.

15-Day Weather Outlook for Rock Falls

TomorrowTomorrow

Moderate rain 95°/76° 💧 0.22 in 💨 11 mph

Friday, Sep 4Fri Sep 4

Light rain 93°/74° 💧 0.01 in 💨 10 mph

Saturday, Sep 5Sat Sep 5

Mostly cloudy 92°/73° 💧 None 💨 11 mph

Sunday, Sep 6Sun Sep 6

Partly cloudy 81°/65° 💧 None 💨 13 mph

Monday, Sep 7Mon Sep 7

Overcast 79°/62° 💧 None 💨 11 mph

Tuesday, Sep 8Tue Sep 8

Light rain 96°/68° 💧 0.09 in 💨 15 mph

Wednesday, Sep 9Wed Sep 9

Sunny 88°/64° 💧 None 💨 17 mph

Thursday, Sep 10Thu Sep 10

Sunny 77°/56° 💧 None 💨 8 mph

Friday, Sep 11Fri Sep 11

Light rain 77°/61° 💧 0.03 in 💨 10 mph

Saturday, Sep 12Sat Sep 12

Moderate rain 84°/63° 💧 0.27 in 💨 12 mph

Sunday, Sep 13Sun Sep 13

Light rain 93°/70° 💧 0.08 in 💨 12 mph

Monday, Sep 14Mon Sep 14

Light rain 95°/72° 💧 0.12 in 💨 13 mph

Tuesday, Sep 15Tue Sep 15

Light rain 91°/70° 💧 0.08 in 💨 9 mph

Wednesday, Sep 16Wed Sep 16

Light rain 86°/70° 💧 0.15 in 💨 14 mph

Thursday, Sep 17Thu Sep 17

Moderate rain 81°/63° 💧 0.70 in 💨 16 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

Fair

Nearest forecast value 6:00 PM

PM2.5 Fine particles Good 5,2µg/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 5,5µg/m³

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

O₃ Ozone Fair 80,8µg/m³

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

NO₂ Nitrogen dioxide Good 1,8µg/m³

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

Air quality is acceptable for most people.

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 7,8High 🙂Fair

Tomorrow UV 8,0Very high 🙂Fair

Friday UV 7,4High 🙂Fair

Saturday UV 7,3High 🙂Fair

Sunday UV 7,4High 🙂Fair

Monday UV 6,0High —Unavailable

Tuesday UV 8,0Very high —Unavailable

Hourly UV index today

6:00 PMUV 0,6 7:00 PMUV 0,0

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

Strong UV exposure

Protect exposed skin with SPF 30+ sunscreen, wear sunglasses, and try to limit direct midday sun.

Acceptable air quality

Air quality is acceptable for most people. Very sensitive people may want to reduce prolonged exertion.

High heat

Stay hydrated and avoid intense exercise during the hottest part of the day.

Best in the morning or late in the day

For walking, running or cycling, prefer the early morning or late afternoon.

WIND OUTLOOK

Hourly Wind Forecast for Rock Falls

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

Internal PR simulation: 4.14 Population: 8,587

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Forecast data for Rock Falls were last refreshed today at 5:20 PM. The current forecast period extends through 04/09/2026 at 3:00 PM. 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.