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.

Fog/Mist and Breezy

26°F

-3°C

Humidity 100%
Wind Speed NW 21 G 26 mph
Barometer 29.51 in (999.9 mb)
Dewpoint 26°F (-3°C)
Visibility 1.75 mi
Wind Chill12°F (-11°C)
Last update 16 Mar 3:56 am CDT
Extended Forecast for

Nachusa IL

Blizzard Warning March 16, 04:40am until March 16, 01:00pm
Click here for hazard details and duration
Blizzard Warning
  •  
    Blizzard Warning March 16, 04:40am until March 16, 01:00pm

    NOW until 1:00pm Mon

    Blizzard Warning

  • Overnight

    Low: 23 °F

    Heavy Snow
    and Blowing
    Snow

  • Monday

    Monday: Snow, mainly before 1pm. The snow could be heavy at times. Widespread blowing snow, mainly before 7am. High near 22. Blustery, with a northwest wind around 25 mph, with gusts as high as 40 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    High: 22 °F

    Heavy Snow
    and Blowing
    Snow

  • Monday Night

    Monday Night: A 10 percent chance of snow before 7pm. Patchy blowing snow before 9pm. Mostly cloudy, with a low around 5. Wind chill values as low as -8. Blustery, with a west northwest wind 10 to 20 mph, with gusts as high as 30 mph.

    Low: 5 °F

    Slight Chance
    Snow and
    Patchy
    Blowing Snow

  • Tuesday

    Tuesday: Increasing clouds, with a high near 23. Wind chill values as low as -9. West northwest wind around 10 mph, with gusts as high as 15 mph.

    High: 23 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: Snow. Low around 18. South southeast wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.

    Low: 18 °F

    Snow

  • Wednesday

    Wednesday: Partly sunny, with a high near 39.

    High: 39 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 29.

    Low: 29 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 48.

    High: 48 °F

    Mostly Sunny

Detailed Forecast

Overnight
Snow. The snow could be heavy at times. Widespread blowing snow. Steady temperature around 23. Windy, with a northwest wind around 30 mph, with gusts as high as 45 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 3 to 7 inches possible.
Monday
Snow, mainly before 1pm. The snow could be heavy at times. Widespread blowing snow, mainly before 7am. High near 22. Blustery, with a northwest wind around 25 mph, with gusts as high as 40 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Monday Night
A 10 percent chance of snow before 7pm. Patchy blowing snow before 9pm. Mostly cloudy, with a low around 5. Wind chill values as low as -8. Blustery, with a west northwest wind 10 to 20 mph, with gusts as high as 30 mph.
Tuesday
Increasing clouds, with a high near 23. Wind chill values as low as -9. West northwest wind around 10 mph, with gusts as high as 15 mph.
Tuesday Night
Snow. Low around 18. South southeast wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
Wednesday
Partly sunny, with a high near 39.
Wednesday Night
Mostly cloudy, with a low around 29.
Thursday
Mostly sunny, with a high near 48.
Thursday Night
Mostly cloudy, with a low around 33.
Friday
Partly sunny, with a high near 58.
Friday Night
Mostly cloudy, with a low around 39.
Saturday
Mostly sunny, with a high near 64.
Saturday Night
Partly cloudy, with a low around 37.
Sunday
Partly sunny, with a high near 56.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Nachusa IL
 41.83°N 89.38°W
Last Update:
4:01 am CDT Mar 16, 2026
Forecast Valid:
4am CDT Mar 16, 2026-6pm CDT Mar 22, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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