Heat Expands for Center of the Nation; Severe Thunderstorms for Plains and Upper Midwest

Dangerous heat expands across the Desert Southwest, Plains, Mississippi Valley and Midwest. Critical fire weather for portions of the Intermountain West. Risk for severe thunderstorms and flash flooding across the Upper Midwest/Great Lakes, Ohio Valley, and portions of the mid-Atlantic. Active monsoonal moisture fuels thunderstorms over the Southwest. Hurricane Fausto in the Pacific, should weaken Read More >

Current conditions at

Sterling Rockfalls (KSQI)

Lat: 41.74°NLon: 89.67°WElev: 643ft.

Fair

75°F

24°C

Humidity 100%
Wind Speed Calm
Barometer 29.93 in (1013.1 mb)
Dewpoint 75°F (24°C)
Visibility 8.00 mi
Last update 26 Jul 8:56 am CDT
Extended Forecast for

Amboy IL

Heat Advisory July 26, 12:00pm until July 26, 08:00pm
Click here for hazard details and duration
Heat Advisory
  • Today

    Today: Cloudy, then gradually becoming mostly sunny, with a high near 90. Heat index values as high as 104. South wind around 5 mph, with gusts as high as 10 mph.

    High: 90 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 75. South wind around 5 mph, with gusts as high as 10 mph.

    Low: 75 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Monday

    Monday: A chance of showers and thunderstorms before 1pm, then a slight chance of showers and thunderstorms after 4pm.  Mostly sunny, with a high near 90. Heat index values as high as 104. South southwest wind 5 to 15 mph, with gusts as high as 20 mph.  Chance of precipitation is 30%.

    High: 90 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: A 10 percent chance of showers and thunderstorms before 7pm.  Mostly clear, with a low around 71. West wind 5 to 10 mph becoming north northwest after midnight. Winds could gust as high as 15 mph.

    Low: 71 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 85. North wind around 10 mph, with gusts as high as 15 mph.

    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 83.

    High: 83 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny

Detailed Forecast

Today
Cloudy, then gradually becoming mostly sunny, with a high near 90. Heat index values as high as 104. South wind around 5 mph, with gusts as high as 10 mph.
Tonight
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 75. South wind around 5 mph, with gusts as high as 10 mph.
Monday
A chance of showers and thunderstorms before 1pm, then a slight chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 90. Heat index values as high as 104. South southwest wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Monday Night
A 10 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 71. West wind 5 to 10 mph becoming north northwest after midnight. Winds could gust as high as 15 mph.
Tuesday
Sunny, with a high near 85. North wind around 10 mph, with gusts as high as 15 mph.
Tuesday Night
Mostly clear, with a low around 62.
Wednesday
Sunny, with a high near 83.
Wednesday Night
Mostly clear, with a low around 61.
Thursday
Mostly sunny, with a high near 85.
Thursday Night
Partly cloudy, with a low around 64.
Friday
A chance of showers. Partly sunny, with a high near 85.
Friday Night
Partly cloudy, with a low around 65.
Saturday
Mostly sunny, with a high near 85.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Amboy IL
 41.7°N 89.36°W
8:16 am CDT Jul 26, 2026
9am CDT Jul 26, 2026-6pm CDT Aug 1, 2026
 
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Additional Resources

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