Showers and Storms in the East; Dangerously Hot and Dry in the West

Scattered showers and storms are expected across portions of the Central and Eastern U.S. through the end of the week. Meanwhile, dangerous heat will intensify across the Desert Southwest and Intermountain West. Hot, dry weather and increasing winds will allow elevated wildfire conditions to return to the northern Intermountain West, where air quality issues persist from ongoing fires. Read More >

Hazardous Weather Conditions

Current conditions at

De Kalb Taylor Municipal Airport (KDKB)

Lat: 41.93°NLon: 88.71°WElev: 909ft.

Thunderstorm in Vicinity

79°F

26°C

Humidity 83%
Wind Speed W 10 mph
Barometer 29.99 in
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 9 Aug 12:15 pm CDT
Extended Forecast for

2 Miles SSW Dekalb IL

  • This Afternoon

    This Afternoon: Showers and thunderstorms likely, mainly before 2pm.  Mostly cloudy, with a steady temperature around 79. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 79 °F

    T-storms
    Likely

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before 1am. Some of the storms could produce heavy rainfall.  Mostly cloudy, with a low around 69. South wind 5 to 10 mph, with gusts as high as 15 mph.  Chance of precipitation is 70%. New rainfall amounts between three quarters and one inch possible.

    Low: 69 °F

    Heavy Rain

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms, mainly after 1pm.  Partly sunny, with a high near 84. Calm wind becoming south around 5 mph in the morning. Winds could gust as high as 10 mph.

    High: 84 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am.  Mostly cloudy, with a low around 68. Southeast wind around 5 mph.  Chance of precipitation is 60%.

    Low: 68 °F

    Showers
    Likely

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a high near 83. Southeast wind around 5 mph becoming west in the afternoon. Winds could gust as high as 10 mph.

    High: 83 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am.  Mostly cloudy, with a low around 67. Chance of precipitation is 60%.

    Low: 67 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms.  Partly sunny, with a high near 82.

    High: 82 °F

    Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 64.

    Low: 64 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 78.

    High: 78 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Showers and thunderstorms likely, mainly before 2pm. Mostly cloudy, with a steady temperature around 79. South southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms likely, mainly before 1am. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 69. South wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 70%. New rainfall amounts between three quarters and one inch possible.
Monday
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 84. Calm wind becoming south around 5 mph in the morning. Winds could gust as high as 10 mph.
Monday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 68. Southeast wind around 5 mph. Chance of precipitation is 60%.
Tuesday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 83. Southeast wind around 5 mph becoming west in the afternoon. Winds could gust as high as 10 mph.
Tuesday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 67. Chance of precipitation is 60%.
Wednesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 82.
Wednesday Night
Partly cloudy, with a low around 64.
Thursday
Mostly cloudy, with a high near 78.
Thursday Night
Mostly cloudy, with a low around 59.
Friday
Mostly sunny, with a high near 75.
Friday Night
A chance of showers. Mostly cloudy, with a low around 59.
Saturday
A chance of showers. Partly sunny, with a high near 75.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSW Dekalb IL
 41.85°N 88.76°W
12:17 pm CDT Aug 9, 2026
12pm CDT Aug 9, 2026-6pm CDT Aug 15, 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