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

Galesburg Municipal Airport (KGBG)

Lat: 40.93°NLon: 90.43°WElev: 751ft.

Fair

80°F

27°C

Humidity 100%
Wind Speed Calm
Barometer 29.86 in
Dewpoint 80°F (27°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 27 Jul 12:55 am CDT
Extended Forecast for

4 Miles S Aledo IL

Extreme Heat Warning July 27, 01:18am until July 27, 10:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning July 27, 01:18am until July 27, 10:00pm

    NOW until 10:00pm Mon

    Extreme Heat Warning

  • Overnight

    Low: 77 °F

    Slight Chance
    T-storms

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms before 10am.  Mostly sunny, with a high near 93. Heat index values as high as 110. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 93 °F

    Slight Chance
    T-storms then
    Mostly Sunny

  • Monday Night

    Monday Night: Patchy smoke between midnight and 4am. Mostly clear, with a low around 73. West wind 5 to 10 mph becoming north after midnight.

    Low: 73 °F

    Mostly Clear
    then Patchy
    Smoke

  • Tuesday

    Tuesday: Mostly sunny, with a high near 86. North wind 5 to 10 mph.

    High: 86 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 64.

    Low: 64 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 65.

    Low: 65 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

Detailed Forecast

Overnight
A 20 percent chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 77. South wind around 5 mph.
Monday
A 20 percent chance of showers and thunderstorms before 10am. Mostly sunny, with a high near 93. Heat index values as high as 110. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Monday Night
Patchy smoke between midnight and 4am. Mostly clear, with a low around 73. West wind 5 to 10 mph becoming north after midnight.
Tuesday
Mostly sunny, with a high near 86. North wind 5 to 10 mph.
Tuesday Night
Mostly clear, with a low around 64.
Wednesday
Sunny, with a high near 85.
Wednesday Night
Clear, with a low around 65.
Thursday
Sunny, with a high near 86.
Thursday Night
A 30 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 68.
Friday
Showers likely, mainly after 1pm. Partly sunny, with a high near 80. Chance of precipitation is 60%.
Friday Night
A 40 percent chance of showers. Partly cloudy, with a low around 66.
Saturday
Sunny, with a high near 82.
Saturday Night
Mostly clear, with a low around 65.
Sunday
Sunny, with a high near 84.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S Aledo IL
 41.15°N 90.73°W (Elev. 650 ft)
8:22 pm CDT Jul 26, 2026
1am CDT Jul 27, 2026-6pm CDT Aug 2, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database