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

Heavy Rainfall on the Western Gulf Coast; Severe Thunderstorms in the Southern Plains Friday

A multi-day heavy rainfall event will continue over the western Gulf Coast through Monday. Slight Risks of excessive rainfall have been issued, and Flood Watches remain in effect through Monday evening. Scattered severe storms capable of producing large hail and damaging winds are possible across western portions of Texas and Oklahoma on Friday. Read More >

Current conditions at

Sterling Rockfalls (KSQI)

Lat: 41.74°NLon: 89.67°WElev: 643ft.

Fair

59°F

15°C

Humidity 54%
Wind Speed E 15 mph
Barometer 30.17 in (1021.5 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Last update 21 May 8:56 pm CDT
Extended Forecast for

Sterling IL

  • Tonight

    Tonight: Mostly cloudy, with a low around 47. East wind 10 to 15 mph.

    Low: 47 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 69. East wind around 15 mph, with gusts as high as 20 mph.

    High: 69 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 52. East wind 5 to 10 mph.

    Low: 52 °F

    Cloudy then
    Slight Chance
    Showers

  • Saturday

    Saturday: Partly sunny, with a high near 76. North wind around 5 mph.

    High: 76 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 54.

    Low: 54 °F

    Mostly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: Partly sunny, with a high near 79.

    High: 79 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

  • Memorial Day

    Memorial Day: Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 47. East wind 10 to 15 mph.
Friday
Mostly cloudy, with a high near 69. East wind around 15 mph, with gusts as high as 20 mph.
Friday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 52. East wind 5 to 10 mph.
Saturday
Partly sunny, with a high near 76. North wind around 5 mph.
Saturday Night
A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 54.
Sunday
Partly sunny, with a high near 79.
Sunday Night
Mostly clear, with a low around 54.
Memorial Day
Mostly sunny, with a high near 85.
Monday Night
Mostly clear, with a low around 58.
Tuesday
Mostly sunny, with a high near 87.
Tuesday Night
A 40 percent chance of showers. Partly cloudy, with a low around 61.
Wednesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 85.
Wednesday Night
A 30 percent chance of showers. Partly cloudy, with a low around 62.
Thursday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sterling IL
 41.8°N 89.7°W (Elev. 669 ft)
Last Update:
7:21 pm CDT May 21, 2026
Forecast Valid:
9pm CDT May 21, 2026-6pm CDT May 28, 2026
 
Forecast Discussion
 
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Additional Resources

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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