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

Rochelle, Rochelle Municipal-Koritz Field Airport (KRPJ)

Lat: 41.89°NLon: 89.08°WElev: 768ft.

Overcast

87°F

31°C

Humidity 73%
Wind Speed S 5 mph
Barometer 29.89 in
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index99°F (37°C)
Last update 26 Jul 3:35 pm CDT
Extended Forecast for

West Brooklyn IL

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

    NOW until 8:00pm Sun

    Heat Advisory

  • This Afternoon

    High: 87 °F

    Mostly Cloudy

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly after 4am.  Mostly cloudy, with a low around 74. Southwest wind 5 to 10 mph becoming east after midnight.

    Low: 74 °F

    Chance
    T-storms

  • Monday

    Monday: A chance of showers and thunderstorms before 1pm, then a slight chance of showers and thunderstorms after 3pm.  Mostly cloudy, then gradually becoming sunny, with a high near 90. Heat index values as high as 104. Southeast wind 10 to 15 mph becoming west southwest in the afternoon. Winds could gust as high as 25 mph.  Chance of precipitation is 50%.

    High: 90 °F

    Chance
    T-storms then
    Slight Chance
    T-storms

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms before 1am.  Partly cloudy, with a low around 69. West southwest wind 10 to 15 mph becoming north northeast after midnight.

    Low: 69 °F

    Slight Chance
    T-storms

  • Tuesday

    Tuesday: Sunny, with a high near 83. North wind 10 to 15 mph.

    High: 83 °F

    Sunny

  • Tuesday Night

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

    Low: 61 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 62.

    Low: 62 °F

    Clear

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 87. Heat index values as high as 102. Southwest wind 5 to 10 mph.
Tonight
A 30 percent chance of showers and thunderstorms, mainly after 4am. Mostly cloudy, with a low around 74. Southwest wind 5 to 10 mph becoming east after midnight.
Monday
A chance of showers and thunderstorms before 1pm, then a slight chance of showers and thunderstorms after 3pm. Mostly cloudy, then gradually becoming sunny, with a high near 90. Heat index values as high as 104. Southeast wind 10 to 15 mph becoming west southwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 50%.
Monday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 69. West southwest wind 10 to 15 mph becoming north northeast after midnight.
Tuesday
Sunny, with a high near 83. North wind 10 to 15 mph.
Tuesday Night
Mostly clear, with a low around 61.
Wednesday
Sunny, with a high near 83.
Wednesday Night
Clear, with a low around 62.
Thursday
Sunny, with a high near 84.
Thursday Night
Mostly cloudy, with a low around 66.
Friday
A chance of showers. Mostly cloudy, with a high near 81.
Friday Night
A chance of showers. Partly cloudy, with a low around 65.
Saturday
A chance of showers. Mostly sunny, with a high near 81.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
West Brooklyn IL
 41.69°N 89.15°W
2:40 pm CDT Jul 26, 2026
3pm 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