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Areas of Severe Thunderstorms and Heat

Scattered severe thunderstorms and excessive rainfall are possible today in the Mid Atlantic, posing a risk for damaging winds and isolated flash flooding. Extreme Heat Warnings are in effect today for northeast Texas into southern Oklahoma and Arkansas. Extreme Heat Warnings are also in effect for the Desert Southwest today into Sunday. Read More >

Hazardous Weather Conditions

Current conditions at

Sterling Rockfalls (KSQI)

Lat: 41.74°NLon: 89.67°WElev: 643ft.

Fair

81°F

27°C

Humidity 38%
Wind Speed Vrbl 3 mph
Barometer 30.09 in (1018.4 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 20 Aug 12:56 pm CDT
Extended Forecast for

3 Miles NNE Sterling IL

  • This Afternoon

    This Afternoon: Sunny, with a steady temperature around 78. Northeast wind around 5 mph becoming calm.

    High: 78 °F

    Sunny

  • Tonight

    Tonight: Patchy fog after 3am. Otherwise, partly cloudy, with a low around 58. Calm wind.

    Low: 58 °F

    Mostly Clear
    then Patchy
    Fog

  • Friday

    Friday: A chance of showers and thunderstorms between noon and 4pm, then showers likely and possibly a thunderstorm after 4pm. Patchy fog before 8am. Otherwise, partly sunny, with a high near 81. Light south wind becoming southwest 5 to 10 mph in the morning. Chance of precipitation is 60%.

    High: 81 °F

    Patchy Fog
    then Showers
    Likely

  • Friday Night

    Friday Night: Showers and thunderstorms likely before 10pm, then a chance of showers between 10pm and 1am. Mostly cloudy during the early evening, then becoming mostly clear, with a low around 62. Southwest wind around 5 mph becoming calm. Chance of precipitation is 60%.

    Low: 62 °F

    Showers
    Likely then
    Chance
    Showers

  • Saturday

    Saturday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 56.

    Low: 56 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a steady temperature around 78. Northeast wind around 5 mph becoming calm.
Tonight
Patchy fog after 3am. Otherwise, partly cloudy, with a low around 58. Calm wind.
Friday
A chance of showers and thunderstorms between noon and 4pm, then showers likely and possibly a thunderstorm after 4pm. Patchy fog before 8am. Otherwise, partly sunny, with a high near 81. Light south wind becoming southwest 5 to 10 mph in the morning. Chance of precipitation is 60%.
Friday Night
Showers and thunderstorms likely before 10pm, then a chance of showers between 10pm and 1am. Mostly cloudy during the early evening, then becoming mostly clear, with a low around 62. Southwest wind around 5 mph becoming calm. Chance of precipitation is 60%.
Saturday
Sunny, with a high near 80.
Saturday Night
Clear, with a low around 56.
Sunday
Sunny, with a high near 76.
Sunday Night
Partly cloudy, with a low around 54.
Monday
Mostly sunny, with a high near 76.
Monday Night
Partly cloudy, with a low around 58.
Tuesday
Mostly sunny, with a high near 79.
Tuesday Night
A 30 percent chance of showers. Partly cloudy, with a low around 63.
Wednesday
Mostly sunny, with a high near 81.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNE Sterling IL
 41.84°N 89.67°W (Elev. 663 ft)
Last Update:
12:55 pm CDT Aug 20, 2026
Forecast Valid:
1pm CDT Aug 20, 2026-6pm CDT Aug 26, 2026
 
Forecast Discussion
 
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Additional Resources

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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