Air Quality Concerns; Fire Weather in the West; Flash Flooding in the Southeast

Wildfire smoke continues to result in poor air quality from the Upper Midwest into the Northeast. Multiple days of hot, dry and windy conditions are expected to bring fire weather concerns for portions of the Four Corners region into the central Great Basin and Rockies. Heavy rainfall and a flash flooding threat continues in the Southeast. Severe thunderstorms continue across the Northern Plains Read More >

Current conditions at

De Kalb Taylor Municipal Airport (KDKB)

Lat: 41.93°NLon: 88.71°WElev: 909ft.

Fair

81°F

27°C

Humidity 43%
Wind Speed Calm
Barometer 30.26 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 5 Aug 2:15 pm CDT
Extended Forecast for

Marengo IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 83. East wind 5 to 10 mph.

    High: 83 °F

    Sunny

  • Tonight

    Tonight: Areas of smoke after midnight. Patchy fog after 3am.  Otherwise, mostly clear, with a low around 60. East northeast wind around 5 mph becoming calm  after midnight. Winds could gust as high as 10 mph.

    Low: 60 °F

    Mostly Clear
    then Patchy
    Fog

  • Wednesday

    Wednesday: Areas of smoke before 10am. Patchy fog before 7am.  Otherwise, sunny, with a high near 85. Calm wind becoming south around 5 mph in the afternoon.

    High: 85 °F

    Patchy Fog
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 66. Southeast wind around 5 mph.

    Low: 66 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 86. Calm wind becoming south around 5 mph in the morning. Winds could gust as high as 15 mph.

    High: 86 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 69.

    Low: 69 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 89.

    High: 89 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 71.

    Low: 71 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 83. East wind 5 to 10 mph.
Tonight
Areas of smoke after midnight. Patchy fog after 3am. Otherwise, mostly clear, with a low around 60. East northeast wind around 5 mph becoming calm after midnight. Winds could gust as high as 10 mph.
Wednesday
Areas of smoke before 10am. Patchy fog before 7am. Otherwise, sunny, with a high near 85. Calm wind becoming south around 5 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 66. Southeast wind around 5 mph.
Thursday
Mostly sunny, with a high near 86. Calm wind becoming south around 5 mph in the morning. Winds could gust as high as 15 mph.
Thursday Night
Mostly cloudy, with a low around 69.
Friday
Mostly sunny, with a high near 89.
Friday Night
Mostly clear, with a low around 71.
Saturday
Sunny, with a high near 90.
Saturday Night
Partly cloudy, with a low around 71.
Sunday
Mostly sunny, with a high near 88.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 87.
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ABOUT THIS FORECAST

 
Point Forecast:
Marengo IL
 42.24°N 88.62°W
1:56 pm CDT Aug 5, 2025
2pm CDT Aug 5, 2025-6pm CDT Aug 11, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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