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Hazardous Weather Conditions

Current conditions at

Sterling Rockfalls (KSQI)

Lat: 41.74°NLon: 89.67°WElev: 643ft.

Fair

50°F

10°C

Humidity 100%
Wind Speed W 17 mph
Barometer 29.68 in
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 18 Apr 12:56 am CDT
Extended Forecast for

6 Miles SSE Harmon IL

Flood Watch April 18, 01:16am until April 18, 05:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch April 18, 01:16am until April 18, 05:00am

    NOW until 5:00am Sat

    Flood Watch

  • Overnight

    Low: 41 °F

    Showers
    Likely and
    Breezy

  • Saturday

    Saturday: Mostly sunny, with a high near 50. Breezy, with a west northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 50 °F

    Mostly Sunny
    and Breezy

  • Saturday Night

    Saturday Night: Widespread frost, mainly after 5am. Otherwise, clear, with a low around 34. West southwest wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 34 °F

    Mostly Clear
    then Frost

  • Sunday

    Sunday: Widespread frost before 7am. Otherwise, mostly sunny, with a high near 52. West northwest wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 52 °F

    Frost then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Widespread frost after 3am. 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.

    Low: 30 °F

    Mostly Clear
    then Frost

  • Monday

    Monday: Widespread frost before 8am. Otherwise, sunny, with a high near 56.

    High: 56 °F

    Frost then
    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny

Detailed Forecast

Overnight
Showers likely, mainly before 3am. Cloudy, with a low around 41. Breezy, with a west northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Mostly sunny, with a high near 50. Breezy, with a west northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Saturday Night
Widespread frost, mainly after 5am. Otherwise, clear, with a low around 34. West southwest wind 5 to 15 mph, with gusts as high as 25 mph.
Sunday
Widespread frost before 7am. Otherwise, mostly sunny, with a high near 52. West northwest wind 5 to 15 mph, with gusts as high as 25 mph.
Sunday Night
Widespread frost after 3am. 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.
Monday Night
Partly cloudy, with a low around 46.
Tuesday
Mostly sunny, with a high near 74.
Tuesday Night
Mostly clear, with a low around 49.
Wednesday
Sunny, with a high near 75.
Wednesday Night
Mostly clear, with a low around 55.
Thursday
Mostly sunny, with a high near 80.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 60.
Friday
A chance of showers. Mostly cloudy, with a high near 73.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SSE Harmon IL
 41.64°N 89.51°W
Last Update:
12:17 am CDT Apr 18, 2026
Forecast Valid:
1am CDT Apr 18, 2026-6pm CDT Apr 24, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation