National Weather Service forecast

Rock Falls, Illinois Weather

53°Overnight: Chance Rain Showers
Wind S 10 mph
7-DayHourlyRadar

Rock Falls 7-Day Forecast

  1. Overnight
    53°F
    Chance Rain Showers
    26% chance of precipitation

    A chance of rain showers after 4am. Mostly cloudy. Low around 53, with temperatures rising to around 56 overnight. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

  2. Wednesday
    58°F
    Chance Rain Showers
    38% chance of precipitation

    A chance of rain showers. Mostly cloudy. High near 58, with temperatures falling to around 56 in the afternoon. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.

  3. Wednesday Night
    45°F
    Mostly Cloudy then Slight Chance Rain Showers
    21% chance of precipitation

    A slight chance of rain showers after 4am. Mostly cloudy. Low around 45, with temperatures rising to around 47 overnight. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

  4. Thursday
    55°F
    Chance Rain Showers
    50% chance of precipitation

    A chance of rain showers. Cloudy, with a high near 55. West wind 10 to 15 mph. Chance of precipitation is 50%.

  5. Thursday Night
    40°F
    Slight Chance Rain Showers then Mostly Cloudy
    19% chance of precipitation

    A slight chance of rain showers before midnight. Mostly cloudy, with a low around 40.

  6. Friday
    50°F
    Partly Sunny
    4% chance of precipitation

    Partly sunny, with a high near 50.

  7. Friday Night
    31°F
    Partly Cloudy

    Partly cloudy, with a low around 31.

  8. Saturday
    52°F
    Sunny

    Sunny, with a high near 52.

  9. Saturday Night
    33°F
    Mostly Clear
    2% chance of precipitation

    Mostly clear, with a low around 33.

  10. Sunday
    57°F
    Sunny
    3% chance of precipitation

    Sunny, with a high near 57.

  11. Sunday Night
    34°F
    Clear

    Clear, with a low around 34.

  12. Monday
    62°F
    Sunny

    Sunny, with a high near 62.

  13. Monday Night
    39°F
    Mostly Clear

    Mostly clear, with a low around 39.

  14. Tuesday
    62°F
    Sunny

    Sunny, with a high near 62.

Issued by the National Weather Service (DVN office), updated .

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About Rock Falls

Population (2020 Census)
8,789
Coordinates
41.772, -89.694
Elevation
643 ft
NWS forecast office
DVN
Time zone
America/Chicago
Sunrise today
6:34 AM CST
Sunset today
4:50 PM CST
Daylight today
10 h 16 min

Rock Falls Weather Questions

What is the weather forecast for Rock Falls, Illinois?

Overnight: A chance of rain showers after 4am. Mostly cloudy. Low around 53, with temperatures rising to around 56 overnight. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. Wednesday: A chance of rain showers. Mostly cloudy. High near 58, with temperatures falling to around 56 in the afternoon. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.

Will it rain or snow in Rock Falls this week?

The best chance of precipitation is Thursday at 50%. Periods with a 30% chance or more: Wednesday (38%), Thursday (50%).

How warm and how cold will it get in Rock Falls this week?

The warmest day is Monday, with a high near 62°F. The coldest night is Friday Night, with a low near 31°F.

What time are sunrise and sunset in Rock Falls today?

Sunrise is at 6:34 AM CST and sunset is at 4:50 PM CST, for 10 h 16 min of daylight.

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