Current conditions at

Sterling Rockfalls (KSQI)

Lat: 41.74°NLon: 89.67°WElev: 643ft.

Fair

54°F

12°C

Humidity 42%
Wind Speed Vrbl 6 mph
Barometer 30.03 in (1017.2 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Wind Chill52°F (11°C)
Last update 1 May 5:56 pm CDT
Extended Forecast for

Nachusa IL

Frost Advisory May 2, 01:00am until May 2, 08:00am
Click here for hazard details and duration
Frost Advisory
  • Tonight

    Tonight: A 20 percent chance of showers before 8pm.  Widespread frost, mainly after 5am.  Otherwise, partly cloudy, with a low around 33. North wind around 5 mph becoming east in the evening.

    Low: 33 °F

    Slight Chance
    Showers then
    Frost

  • Saturday

    Saturday: Widespread frost, mainly before 7am.  Otherwise, mostly sunny, with a high near 56. Light north northwest wind increasing to 5 to 10 mph in the morning.

    High: 56 °F

    Frost then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 41. West wind 5 to 10 mph becoming south southwest in the evening. Winds could gust as high as 15 mph.

    Low: 41 °F

    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers.  Partly sunny, with a high near 68. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 68 °F

    Slight Chance
    Showers and
    Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 45. West wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 45 °F

    Mostly Clear

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny
    then Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers and thunderstorms.  Partly cloudy, with a low around 46. Chance of precipitation is 50%.

    Low: 46 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers.  Partly sunny, with a high near 60.

    High: 60 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers before 1am.  Mostly cloudy, with a low around 40.

    Low: 40 °F

    Chance
    Showers

Detailed Forecast

Tonight
A 20 percent chance of showers before 8pm. Widespread frost, mainly after 5am. Otherwise, partly cloudy, with a low around 33. North wind around 5 mph becoming east in the evening.
Saturday
Widespread frost, mainly before 7am. Otherwise, mostly sunny, with a high near 56. Light north northwest wind increasing to 5 to 10 mph in the morning.
Saturday Night
Partly cloudy, with a low around 41. West wind 5 to 10 mph becoming south southwest in the evening. Winds could gust as high as 15 mph.
Sunday
A 20 percent chance of showers. Partly sunny, with a high near 68. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Sunday Night
Mostly clear, with a low around 45. West wind 5 to 10 mph, with gusts as high as 15 mph.
Monday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 75.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 46. Chance of precipitation is 50%.
Tuesday
A chance of showers. Partly sunny, with a high near 60.
Tuesday Night
A chance of showers before 1am. Mostly cloudy, with a low around 40.
Wednesday
Partly sunny, with a high near 58.
Wednesday Night
Mostly cloudy, with a low around 39.
Thursday
Mostly sunny, with a high near 59.
Thursday Night
Partly cloudy, with a low around 39.
Friday
Sunny, with a high near 65.
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ABOUT THIS FORECAST

 
Point Forecast:
Nachusa IL
 41.83°N 89.38°W
2:41 pm CDT May 1, 2026
6pm CDT May 1, 2026-6pm CDT May 8, 2026
 
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