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

Sterling Rockfalls (KSQI)

Lat: 41.74°NLon: 89.67°WElev: 643ft.

A Few Clouds

35°F

2°C

Humidity 89%
Wind Speed W 14 G 23 mph
Barometer 30.01 in (1016.6 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill26°F (-3°C)
Last update 7 Mar 10:56 pm CDT
Extended Forecast for

Nelson IL

  • Tonight

    Tonight: Clear, with a low around 34. South southwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 34 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 62. Southwest wind around 15 mph, with gusts as high as 30 mph.

    High: 62 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 43. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 43 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 70. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 70 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 46. South southwest wind around 5 mph becoming east southeast after midnight. Winds could gust as high as 10 mph.

    Low: 46 °F

    Clear

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm after noon. Mostly sunny, with a high near 73. Chance of precipitation is 60%.

    High: 73 °F

    Sunny then
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm. Low around 37. Chance of precipitation is 90%.

    Low: 37 °F

    Showers

  • Wednesday

    Wednesday: Showers likely, mainly before noon. Cloudy, with a high near 47.

    High: 47 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 24.

    Low: 24 °F

    Partly Cloudy

Detailed Forecast

Tonight
Clear, with a low around 34. South southwest wind around 10 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 62. Southwest wind around 15 mph, with gusts as high as 30 mph.
Sunday Night
Clear, with a low around 43. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Monday
Sunny, with a high near 70. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Monday Night
Clear, with a low around 46. South southwest wind around 5 mph becoming east southeast after midnight. Winds could gust as high as 10 mph.
Tuesday
Showers likely and possibly a thunderstorm after noon. Mostly sunny, with a high near 73. Chance of precipitation is 60%.
Tuesday Night
Showers and possibly a thunderstorm. Low around 37. Chance of precipitation is 90%.
Wednesday
Showers likely, mainly before noon. Cloudy, with a high near 47.
Wednesday Night
Partly cloudy, with a low around 24.
Thursday
Mostly sunny, with a high near 48.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 36.
Friday
Mostly cloudy, with a high near 58. Breezy.
Friday Night
Mostly cloudy, with a low around 27.
Saturday
Mostly cloudy, with a high near 44.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Nelson IL
 41.79°N 89.61°W
Last Update:
8:31 pm CST Mar 7, 2026
Forecast Valid:
10pm CST Mar 7, 2026-6pm CDT Mar 14, 2026
 
Forecast Discussion
 
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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