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As of 22:26 CDT

Weather in Rock Falls, IL

66°Current weather

Rock Falls, Sunday, 11 October, 22:26

Overcast. Feels like 66°. High 81°, low 53°.

Pressure29.88 inHg
Wind3.4 mph N
Humidity76%
Visibility6.2 mi
Dew point58°
Mon, 1287° / 64°0Overcast
87 °Overcast

Rock Falls, Monday, 12 October

Overcast. High 87°, low 64°.

Pressure29.83 inHg
Wind11.7 mph SW
Humidity58%
Visibility6.2 mi
Dew point63°
Tue, 1381° / 67°0.01Light rain
81 °Light rain

Rock Falls, Tuesday, 13 October

Light rain. High 81°, low 67°.

Pressure29.85 inHg
Wind7.6 mph W
Humidity67%
Visibility6.2 mi
Dew point63°
Wed, 1470° / 60°0.22Rain
70 °Rain

Rock Falls, Wednesday, 14 October

Rain. High 70°, low 60°.

Pressure30.09 inHg
Wind5.9 mph NE
Humidity63%
Visibility6.2 mi
Dew point56°
Thu, 1565° / 58°0.61Rain
65 °Rain

Rock Falls, Thursday, 15 October

Rain. High 65°, low 58°.

Pressure30.03 inHg
Wind7.1 mph E
Humidity93%
Visibility6.0 mi
Dew point59°
Fri, 1658° / 47°0.01Light rain
58 °Light rain

Rock Falls, Friday, 16 October

Light rain. High 58°, low 47°.

Pressure30.45 inHg
Wind18.2 mph NW
Humidity48%
Visibility—
Dew point37°
Sat, 1756° / 39°0Clear
56 °Clear

Rock Falls, Saturday, 17 October

Clear. High 56°, low 39°.

Pressure30.50 inHg
Wind9.6 mph SW
Humidity39%
Visibility—
Dew point29°
Sun, 1860° / 39°0Clear
60 °Clear

Rock Falls, Sunday, 18 October

Clear. High 60°, low 39°.

Pressure30.33 inHg
Wind18.2 mph SW
Humidity38%
Visibility—
Dew point29°
Mon, 1967° / 45°0Overcast
67 °Overcast

Rock Falls, Monday, 19 October

Overcast. High 67°, low 45°.

Pressure30.27 inHg
Wind13.6 mph SW
Humidity41%
Visibility—
Dew point38°
Tue, 2073° / 53°0Mostly clear
73 °Mostly clear

Rock Falls, Tuesday, 20 October

Mostly clear. High 73°, low 53°.

Pressure30.12 inHg
Wind12.2 mph S
Humidity54%
Visibility—
Dew point51°
Wed, 2174° / 60°1.5Heavy rain
74 °Heavy rain

Rock Falls, Wednesday, 21 October

Heavy rain. High 74°, low 60°.

Pressure29.94 inHg
Wind20.4 mph S
Humidity65%
Visibility—
Dew point60°
Thu, 2267° / 50°1.04Heavy rain
67 °Heavy rain

Rock Falls, Thursday, 22 October

Heavy rain. High 67°, low 50°.

Pressure29.80 inHg
Wind20 mph S
Humidity54%
Visibility—
Dew point41°
Fri, 2347° / 41°0Mostly clear
47 °Mostly clear

Rock Falls, Friday, 23 October

Mostly clear. High 47°, low 41°.

Pressure30.03 inHg
Wind17.2 mph NW
Humidity58%
Visibility—
Dew point32°
Sat, 2450° / 35°0Mostly clear
50 °Mostly clear

Rock Falls, Saturday, 24 October

Mostly clear. High 50°, low 35°.

Pressure30.15 inHg
Wind8.1 mph SE
Humidity50%
Visibility—
Dew point29°
Sun, 2548° / 44°0.2Light rain
48 °Light rain

Rock Falls, Sunday, 25 October

Light rain. High 48°, low 44°.

Pressure29.77 inHg
Wind15.3 mph E
Humidity71%
Visibility—
Dew point39°
Mon, 2651° / 46°0.01Light rain
51 °Light rain

Rock Falls, Monday, 26 October

Light rain. High 51°, low 46°.

Pressure30.03 inHg
Wind6.2 mph N
Humidity83%
Visibility—
Dew point43°

About the monthly outlook

How accurate is a 30-day forecast?

The first 16 days come from weather models — reliable for the first 3–5 days and progressively less so after that. Days 17 through 30 for Rock Falls, IL are built from the climate normal, the 60-year average, so they show typical weather for those dates rather than a specific forecast.

What does "above normal" mean?

We compare the forecast against the climate normal for those exact calendar days, computed from 60 years of observations. The deviation shows how much the coming month differs from a typical one.

Where do the 66-year records come from?

They are real temperature extremes recorded in Rock Falls, IL since 1960: the highest and lowest reading for each calendar date, with the year it happened.

How often is it updated?

The forecast portion refreshes every hour; the climate portion is based on long-term data and stays stable.