Hazardous Weather Conditions
Current conditions at
Sterling Rockfalls (KSQI)
Lat: 41.74°NLon: 89.67°WElev: 643ft.
Fair
44°F
7°C
| Humidity | 51% |
| Wind Speed | W 12 mph |
| Barometer | 30.07 in (1018.6 mb) |
| Dewpoint | 27°F (-3°C) |
| Visibility | 10.00 mi |
| Wind Chill | 38°F (3°C) |
| Last update | 18 Apr 7:56 pm CDT |
Extended Forecast for
6 Miles SSE Harmon IL
Freeze Watch April 20, 12:00am until April 20, 09:00am
Frost Advisory April 19, 12:00am until April 19, 09:00am
Tonight

Low: 33 °F
Clear then
Patchy FrostSunday
High: 51 °F
Mostly Sunny
then Slight
Chance
ShowersSunday Night

Low: 30 °F
Mostly Clear
then FrostMonday

High: 56 °F
Frost then
SunnyMonday Night

Low: 45 °F
Partly Cloudy
Tuesday

High: 73 °F
Mostly Sunny
Tuesday Night

Low: 50 °F
Partly Cloudy
Wednesday

High: 76 °F
Sunny
Wednesday Night

Low: 56 °F
Mostly Clear
Detailed Forecast
Tonight
Patchy frost after midnight. Otherwise, clear, with a low around 33. West southwest wind 5 to 15 mph, with gusts as high as 20 mph.
Sunday
A 20 percent chance of showers after 1pm. Increasing clouds, with a high near 51. West northwest wind 5 to 15 mph, with gusts as high as 25 mph.
Sunday Night
Widespread frost after 1am. Otherwise, mostly clear, with a low around 30. North northwest wind 5 to 10 mph becoming light north after midnight. Winds could gust as high as 20 mph.
Monday
Widespread frost before 8am. Otherwise, sunny, with a high near 56. 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
Mostly sunny, with a high near 73.
Tuesday Night
Partly cloudy, with a low around 50.
Wednesday
Sunny, with a high near 76.
Wednesday Night
Mostly clear, with a low around 56.
Thursday
Mostly sunny, with a high near 80.
Thursday Night
Showers likely. Mostly cloudy, with a low around 59.
Friday
A chance of showers. Mostly cloudy, with a high near 69.
Friday Night
A chance of showers. Mostly cloudy, with a low around 43.
Saturday
Mostly sunny, with a high near 61.
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
7:01 pm CDT Apr 18, 2026
8pm CDT Apr 18, 2026-6pm CDT Apr 25, 2026



