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 >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

De Kalb Taylor Municipal Airport (KDKB)

Lat: 41.93°NLon: 88.71°WElev: 909ft.

Overcast

87°F

31°C

Humidity	73%
Wind Speed	SW 7 mph
Barometer	29.92 in
Dewpoint	77°F (25°C)
Visibility	10.00 mi
Heat Index	99°F (37°C)
Last update	26 Jul 2:15 pm CDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

De Kalb IL

This Afternoon
High: 89 °F
Partly Sunny
Tonight
Low: 74 °F
Mostly Cloudy
then Chance
T-storms
Monday
High: 90 °F
Chance
T-storms then
Slight Chance
T-storms
Monday Night
Low: 68 °F
Chance
T-storms
Tuesday
High: 83 °F
Sunny
Tuesday Night
Low: 60 °F
Mostly Clear
Wednesday
High: 84 °F
Sunny
Wednesday Night
Low: 62 °F
Mostly Clear
Thursday
High: 85 °F
Sunny

Detailed Forecast

This Afternoon

Partly sunny, with a high near 89. Heat index values as high as 102. South southwest wind around 10 mph.

Tonight

A 40 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 74. South southwest wind around 5 mph becoming east after midnight. Winds could gust as high as 10 mph.

Monday

A chance of showers and thunderstorms before 1pm, then a slight chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 90. Heat index values as high as 104. South 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 30 percent chance of showers and thunderstorms, mainly between 7pm and 1am. Mostly cloudy, with a low around 68. West wind around 10 mph becoming north northeast after midnight. Winds could gust as high as 15 mph.

Tuesday

Sunny, with a high near 83. North wind around 10 mph, with gusts as high as 20 mph.

Tuesday Night

Mostly clear, with a low around 60.

Wednesday

Sunny, with a high near 84.

Wednesday Night

Mostly clear, with a low around 62.

Thursday

Sunny, with a high near 85.

Thursday Night

Mostly cloudy, with a low around 66.