Current conditions at

Sterling Rockfalls (KSQI)

Lat: 41.74°NLon: 89.67°WElev: 643ft.

Fog/Mist

72°F

22°C

Humidity 100%
Wind Speed E 7 mph
Barometer 30.08 in (1018.0 mb)
Dewpoint 72°F (22°C)
Visibility 5.00 mi
Last update 15 Aug 2:56 am CDT
Extended Forecast for

Nelson IL

Flood Watch August 15, 03:34am until August 15, 10:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch August 15, 03:34am until August 15, 10:00am

    NOW until 10:00am Sat

    Flood Watch

  • Overnight

    Low: 70 °F

    Heavy Rain

  • Saturday

    Saturday: Showers and thunderstorms before 1pm, then a slight chance of showers after 2pm. Some of the storms could produce heavy rainfall.  High near 83. Southeast wind around 5 mph becoming southwest in the afternoon. Winds could gust as high as 10 mph.  Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 83 °F

    Heavy Rain
    then Slight
    Chance
    Showers

  • Saturday Night

    Saturday Night: A slight chance of showers, then a chance of showers and thunderstorms after 11pm.  Mostly cloudy, with a low around 71. South wind around 5 mph.  Chance of precipitation is 40%.

    Low: 71 °F

    Chance
    T-storms

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms before 8am.  Partly sunny, with a high near 83. Northwest wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 83 °F

    Slight Chance
    T-storms then
    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 62. Northwest wind 5 to 10 mph.

    Low: 62 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

  • Tuesday

    Tuesday: Partly sunny, with a high near 82.

    High: 82 °F

    Partly Sunny

Detailed Forecast

Overnight
Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 70. East wind around 5 mph, with gusts as high as 10 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday
Showers and thunderstorms before 1pm, then a slight chance of showers after 2pm. Some of the storms could produce heavy rainfall. High near 83. Southeast wind around 5 mph becoming southwest in the afternoon. Winds could gust as high as 10 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.
Saturday Night
A slight chance of showers, then a chance of showers and thunderstorms after 11pm. Mostly cloudy, with a low around 71. South wind around 5 mph. Chance of precipitation is 40%.
Sunday
A 20 percent chance of showers and thunderstorms before 8am. Partly sunny, with a high near 83. Northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Sunday Night
Mostly clear, with a low around 62. Northwest wind 5 to 10 mph.
Monday
Sunny, with a high near 81.
Monday Night
Mostly clear, with a low around 61.
Tuesday
Partly sunny, with a high near 82.
Tuesday Night
A chance of showers, then showers and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 66.
Wednesday
A chance of showers and thunderstorms before 1pm. Mostly cloudy, with a high near 79.
Wednesday Night
Partly cloudy, with a low around 58.
Thursday
Mostly sunny, with a high near 74.
Thursday Night
Partly cloudy, with a low around 56.
Friday
Mostly sunny, with a high near 75.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Nelson IL
 41.79°N 89.61°W
3:11 am CDT Aug 15, 2026
3am CDT Aug 15, 2026-6pm CDT Aug 21, 2026
 
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Additional Resources

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