National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Sterling Rockfalls (KSQI)

Lat: 41.74°NLon: 89.67°WElev: 643ft.

Overcast

51°F

11°C

Humidity 86%
Wind Speed W 17 mph
Barometer 29.99 in (1015.3 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 16 Oct 2:56 am CDT
Extended Forecast for

Prophetstown IL

Freeze Warning October 17, 01:00am until October 17, 09:00am
Click here for hazard details and duration
Freeze Warning

  • Overnight

    Overnight: Mostly cloudy, with a steady temperature around 47. Breezy, with a west wind around 20 mph, with gusts as high as 30 mph.

    Low: 47 °F

    Mostly Cloudy
    and Breezy

  • Friday

    Friday: A 30 percent chance of showers, mainly before 2pm. Cloudy, with a high near 53. Breezy, with a west wind 20 to 25 mph, with gusts as high as 35 mph.

    High: 53 °F

    Chance
    Showers and
    Breezy

  • Friday Night

    Friday Night: Widespread frost, mainly after 5am. Otherwise, mostly cloudy, then gradually becoming clear, with a low around 32. North wind 10 to 15 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 25 mph.

    Low: 32 °F

    Decreasing
    Clouds then
    Frost

  • Saturday

    Saturday: Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 57. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 57 °F

    Frost then
    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 37.

    Low: 37 °F

    Clear

  • Sunday

    Sunday: Areas of frost before 7am. Otherwise, sunny, with a high near 64.

    High: 64 °F

    Areas Frost
    then Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 41.

    Low: 41 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 43.

    Low: 43 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a steady temperature around 47. Breezy, with a west wind around 20 mph, with gusts as high as 30 mph.
Friday
A 30 percent chance of showers, mainly before 2pm. Cloudy, with a high near 53. Breezy, with a west wind 20 to 25 mph, with gusts as high as 35 mph.
Friday Night
Widespread frost, mainly after 5am. Otherwise, mostly cloudy, then gradually becoming clear, with a low around 32. North wind 10 to 15 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 25 mph.
Saturday
Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 57. Calm wind becoming southwest around 5 mph in the afternoon.
Saturday Night
Clear, with a low around 37.
Sunday
Areas of frost before 7am. Otherwise, sunny, with a high near 64.
Sunday Night
Mostly clear, with a low around 41.
Monday
Mostly sunny, with a high near 68.
Monday Night
Mostly cloudy, with a low around 43.
Tuesday
Mostly sunny, with a high near 71.
Tuesday Night
Mostly clear, with a low around 47.
Wednesday
Sunny, with a high near 74.
Wednesday Night
Mostly clear, with a low around 51.
Thursday
Mostly sunny, with a high near 74.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Prophetstown IL
 41.67°N 89.94°W (Elev. 604 ft)
Last Update:
1:36 am CDT Oct 16, 2026
Forecast Valid:
3am CDT Oct 16, 2026-6pm CDT Oct 22, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation