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.

Mostly Cloudy and Windy

42°F

6°C

Humidity 53%
Wind Speed W 36 G 47 mph
Barometer 29.68 in (1005.3 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill30°F (-1°C)
Last update 13 Mar 10:56 am CDT
Extended Forecast for

Lyndon IL

Winter Storm Watch March 15, 07:00pm until March 16, 07:00pm
High Wind Warning March 13, 11:02am until March 13, 03:00pm
Click here for hazard details and duration
Winter Storm Watch
High Wind Warning
  •  
    High Wind Warning March 13, 11:02am until March 13, 03:00pm

    NOW until 3:00pm Fri

    High Wind Warning

  • Today

    High: 46 °F

    Sunny and
    Windy

  • Tonight

    Tonight: A 10 percent chance of snow after 5am. Increasing clouds, with a low around 29. Northwest wind 10 to 15 mph becoming north 5 to 10 mph after midnight. Winds could gust as high as 20 mph.

    Low: 29 °F

    Partly Cloudy
    then Slight
    Chance Snow

  • Saturday

    Saturday: A 30 percent chance of snow, mainly between 7am and 1pm. Cloudy, with a high near 44. East wind 5 to 15 mph.

    High: 44 °F

    Chance Snow

  • Saturday Night

    Saturday Night: Rain likely, mainly after 1am. Cloudy, with a low around 37. East wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.

    Low: 37 °F

    Rain Likely

  • Sunday

    Sunday: Rain. High near 58. Breezy. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 58 °F

    Rain and
    Breezy

  • Sunday Night

    Sunday Night: Snow. The snow could be heavy at times. Widespread blowing snow after 10pm. Low around 16. Blustery. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.

    Low: 16 °F

    Heavy Snow
    and Blowing
    Snow

  • Monday

    Monday: A 50 percent chance of snow before 1pm. Mostly cloudy, with a high near 22. Blustery.

    High: 22 °F

    Chance Snow
    and Blustery

  • Monday Night

    Monday Night: Partly cloudy, with a low around 4. Blustery.

    Low: 4 °F

    Mostly Cloudy
    and Blustery
    then Mostly
    Clear

Detailed Forecast

Today
Sunny, with a high near 46. Windy, with a west wind 25 to 35 mph, with gusts as high as 50 mph.
Tonight
A 10 percent chance of snow after 5am. Increasing clouds, with a low around 29. Northwest wind 10 to 15 mph becoming north 5 to 10 mph after midnight. Winds could gust as high as 20 mph.
Saturday
A 30 percent chance of snow, mainly between 7am and 1pm. Cloudy, with a high near 44. East wind 5 to 15 mph.
Saturday Night
Rain likely, mainly after 1am. Cloudy, with a low around 37. East wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
Sunday
Rain. High near 58. Breezy. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Sunday Night
Snow. The snow could be heavy at times. Widespread blowing snow after 10pm. Low around 16. Blustery. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.
Monday
A 50 percent chance of snow before 1pm. Mostly cloudy, with a high near 22. Blustery.
Monday Night
Partly cloudy, with a low around 4. Blustery.
Tuesday
Mostly sunny, with a high near 25.
Tuesday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 16.
Wednesday
Mostly cloudy, with a high near 44.
Wednesday Night
Mostly cloudy, with a low around 28.
Thursday
Mostly sunny, with a high near 54.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lyndon IL
 41.72°N 89.91°W (Elev. 600 ft)
Last Update:
10:17 am CDT Mar 13, 2026
Forecast Valid:
11am CDT Mar 13, 2026-6pm CDT Mar 19, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation