Heavy to Excessive Rains in The Four Corners Region and Midwest; Heat Persists in the South-Central U.S.

Repeated rounds of showers and thunderstorms could bring a flash flooding threat across the Four Corners region and from the mid-Mississippi Valley into the lower Great Lakes. Hot temperatures and high humidity will continue to challenge daily records from the Southern Plains to the lower Mississippi Valley. Read More >

Current conditions at

Sterling Rockfalls (KSQI)

Lat: 41.74° N Lon: 89.67° W Elev: 643 ft.

Fog/Mist

68°F

20°C

Humidity 100%
Wind Speed NE 6 mph
Barometer 30.30 in (1025.7 mb)
Dewpoint 68°F (20°C)
Visibility 5.00 mi
Last update 16 Sep 2:56 pm CDT
Detailed forecast for

Whiteside County

This Afternoon
Cloudy with a 40 percent chance of showers. Not as warm. Near steady temperature in the upper 60s. Northeast winds around 5 mph.
Tonight
Mostly cloudy. A slight chance of showers and thunderstorms in the evening, then showers with thunderstorms likely after midnight. Some thunderstorms may produce heavy rainfall. Locally heavy rainfall possible after midnight. Humid. Near steady temperature in the mid 60s. East winds around 5 mph. Chance of rain 90 percent.
Thursday
Mostly cloudy. Showers with a chance of thunderstorms in the morning. Some thunderstorms may produce heavy rainfall in the morning. Humid with highs in the upper 70s. Southeast winds around 5 mph, becoming north around 5 mph in the afternoon. Chance of rain 90 percent.
Thursday Night
Mostly cloudy. Humid with lows in the lower 60s. Northeast winds around 5 mph.
Friday
Partly sunny with a 40 percent chance of showers. Humid with highs in the upper 70s. East winds 5 to 10 mph.
Friday Night
Partly cloudy with a chance of showers. Lows in the upper 60s. Chance of rain 50 percent.
Saturday
Showers likely. A chance of thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 70 percent.
Saturday Night
Showers likely with a chance of thunderstorms. Lows in the mid 60s. Chance of rain 60 percent.
Sunday
Showers likely, mainly in the morning. Not as warm with highs in the lower 70s. Chance of rain 60 percent.
Sunday Night
A chance of thunderstorms. Showers likely, mainly in the evening. Lows in the upper 50s. Chance of rain 60 percent.
Monday
Mostly cloudy with a chance of showers. Highs around 70. Chance of rain 50 percent.
Monday Night And Tuesday
Mostly cloudy. Lows in the mid 50s. Highs in the lower 70s.



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236 PM CDT Wed Sep 16 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database