Hazardous Weather Conditions
Current conditions at
Sterling Rockfalls (KSQI)
Lat: 41.74°NLon: 89.67°WElev: 643ft.
Fair
37°F
3°C
| Humidity | 70% |
| Wind Speed | Calm |
| Barometer | 30.11 in (1020.0 mb) |
| Dewpoint | 28°F (-2°C) |
| Visibility | 10.00 mi |
| Last update | 19 Apr 12:56 am CDT |
Extended Forecast for
6 Miles SSE Harmon IL
Freeze Watch April 20, 12:00am until April 20, 09:00am
Frost Advisory until April 19, 09:00am
NOW until 9:00am Sun

Frost Advisory
Overnight

Low: 33 °F
Areas Frost
Sunday

High: 51 °F
Slight Chance
ShowersSunday Night

Low: 29 °F
Mostly Clear
then FrostMonday

High: 55 °F
Frost then
SunnyMonday Night

Low: 45 °F
Partly Cloudy
Tuesday

High: 74 °F
Sunny
Tuesday Night

Low: 52 °F
Mostly Clear
Wednesday

High: 77 °F
Sunny
Detailed Forecast
Overnight
Areas of frost. Otherwise, clear, with a low around 33. West southwest wind around 5 mph.
Sunday
A slight chance of showers between 11am and 4pm. Increasing clouds, with a high near 51. West northwest wind 5 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Sunday Night
Widespread frost after 1am. Otherwise, mostly clear, with a low around 29. Northwest wind 10 to 15 mph becoming light and variable after midnight.
Monday
Widespread frost before 8am. Otherwise, sunny, with a high near 55. Calm wind becoming south around 5 mph in the morning. Winds could gust as high as 15 mph.
Monday Night
Partly cloudy, with a low around 45. South wind around 10 mph, with gusts as high as 20 mph.
Tuesday
Sunny, with a high near 74.
Tuesday Night
Mostly clear, with a low around 52.
Wednesday
Sunny, with a high near 77.
Wednesday Night
Partly cloudy, with a low around 56.
Thursday
Mostly sunny, with a high near 80.
Thursday Night
Showers likely. Mostly cloudy, with a low around 60.
Friday
Showers likely. Mostly cloudy, with a high near 70.
Friday Night
A chance of showers. Mostly cloudy, with a low around 45.
Saturday
Mostly sunny, with a high near 64.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
6 Miles SSE Harmon IL
41.64°N 89.51°W
41.64°N 89.51°W
1:21 am CDT Apr 19, 2026
1am CDT Apr 19, 2026-6pm CDT Apr 25, 2026



