Heat Across the Center of the Nation; Severe Thunderstorms Across the Great Lakes and Ohio Valley

Heat expands across the Desert Southwest, Plains, Mississippi Valley and Midwest into Monday. Fire weather concerns continue for portions of the Intermountain West. Active monsoonal moisture fuels thunderstorms over the Southwest with possible flash flooding. Tropical cyclone Fausto in the Pacific, should weaken as it approaches Hawaii; Dangerous surf, swells and rip currents are expected. Read More >

Current conditions at

Sterling Rockfalls (KSQI)

Lat: 41.74°NLon: 89.67°WElev: 643ft.

Fair

87°F

31°C

Humidity 85%
Wind Speed Vrbl 3 mph
Barometer 29.88 in (1011.1 mb)
Dewpoint 82°F (28°C)
Visibility 10.00 mi
Heat Index106°F (41°C)
Last update 26 Jul 3:56 pm CDT
Extended Forecast for

3 Miles ENE Deer Grove IL

Heat Advisory July 26, 04:14pm until July 27, 10:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory July 26, 04:14pm until July 27, 10:00pm

    NOW until 10:00pm Mon

    Heat Advisory

  • This Afternoon

    High: 88 °F

    Partly Sunny

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly after 4am.  Mostly cloudy, with a low around 75. South wind around 5 mph.

    Low: 75 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Monday

    Monday: A chance of showers and thunderstorms before 1pm, then a slight chance of showers and thunderstorms after 3pm.  Mostly sunny, with a high near 92. Heat index values as high as 107. Southeast wind 5 to 15 mph becoming west in the afternoon. Winds could gust as high as 20 mph.  Chance of precipitation is 40%.

    High: 92 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms before 10pm.  Partly cloudy, with a low around 70. West wind 5 to 10 mph becoming north after midnight.

    Low: 70 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 63.

    Low: 63 °F

    Clear

Detailed Forecast

This Afternoon
Partly sunny, with a high near 88. Heat index values as high as 107. Southeast wind around 5 mph.
Tonight
A 30 percent chance of showers and thunderstorms, mainly after 4am. Mostly cloudy, with a low around 75. South wind around 5 mph.
Monday
A chance of showers and thunderstorms before 1pm, then a slight chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 92. Heat index values as high as 107. Southeast wind 5 to 15 mph becoming west in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 40%.
Monday Night
A 20 percent chance of showers and thunderstorms before 10pm. Partly cloudy, with a low around 70. West wind 5 to 10 mph becoming north after midnight.
Tuesday
Sunny, with a high near 85.
Tuesday Night
Mostly clear, with a low around 62.
Wednesday
Sunny, with a high near 85.
Wednesday Night
Clear, with a low around 63.
Thursday
Sunny, with a high near 86.
Thursday Night
Mostly cloudy, with a low around 66.
Friday
A 50 percent chance of showers. Mostly cloudy, with a high near 83.
Friday Night
A 40 percent chance of showers. Partly cloudy, with a low around 65.
Saturday
A 30 percent chance of showers. Mostly sunny, with a high near 83.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ENE Deer Grove IL
 41.64°N 89.62°W (Elev. 686 ft)
4:02 pm CDT Jul 26, 2026
4pm CDT Jul 26, 2026-6pm CDT Aug 1, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database