Powerful Storm to Impact Eastern Third of U.S. this weekend.

A developing storm system will bring a myriad of significant impacts this weekend. Heavy snow up to 18 inches from the Ohio Valley to the Northeast, and ice up to a quarter of an inch is forecast in places. Heavy rain may cause flash flooding from the Mid-South to the Mid-Atlantic. Severe thunderstorms with damaging winds and isolated tornadoes will be possible in the Deep South. Read More >

Hazardous Weather Conditions

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Current conditions at

De Kalb Taylor Municipal Airport (KDKB)

Lat: 41.93°NLon: 88.71°WElev: 909ft.

Overcast and Breezy

21°F

-6°C

Humidity	84%
Wind Speed	N 22 G 30 mph
Barometer	30.02 in
Dewpoint	17°F (-8°C)
Visibility	7.00 mi
Wind Chill	5°F (-15°C)
Last update	19 Jan 12:35 pm CST

More Information:

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

Extended Forecast for

Dekalb IL

This
Afternoon

Slight Chance
Snow and
Patchy
Blowing Snow
High: 20 °F
Tonight

Patchy
Blowing Snow
and Windy
then Partly
Cloudy
Low: 4 °F
Sunday

Partly Sunny
High: 13 °F
Sunday
Night

Partly Cloudy
Low: 2 °F
M.L.King
Day

Partly Sunny
High: 16 °F
Monday
Night

Mostly Cloudy
Low: 13 °F
Tuesday

Chance Snow
then Wintry
Mix
High: 34 °F
Tuesday
Night

Rain/Snow
then Mostly
Cloudy
Low: 17 °F
Wednesday

Partly Sunny
High: 21 °F

Detailed Forecast

This Afternoon

A 20 percent chance of snow before 1pm. Patchy blowing snow. Cloudy, with a steady temperature around 20. Blustery, with a north northeast wind around 25 mph, with gusts as high as 30 mph.

Tonight

Patchy blowing snow before 9pm. Partly cloudy, with a low around 4. Wind chill values as low as -11. Windy, with a north wind 20 to 30 mph decreasing to 10 to 20 mph after midnight.

Sunday

Partly sunny, with a high near 13. Wind chill values as low as -11. North wind 5 to 15 mph, with gusts as high as 20 mph.

Sunday Night

Partly cloudy, with a low around 2. Wind chill values as low as -9. North wind around 5 mph, with gusts as high as 20 mph.

M.L.King Day

Partly sunny, with a high near 16. Light and variable wind becoming southeast 10 to 15 mph in the morning. Winds could gust as high as 20 mph.

Monday Night

Mostly cloudy, with a low around 13.

Tuesday

Snow and sleet, possibly mixed with freezing rain before 2pm, then rain and snow, possibly mixed with freezing rain between 2pm and 3pm, then rain after 3pm. High near 34. Chance of precipitation is 90%.

Tuesday Night

Rain before 7pm, then snow between 7pm and midnight. Mostly cloudy, with a low around 17.

Wednesday

Partly sunny, with a high near 21.

Wednesday Night

Partly cloudy, with a low around 9.

Thursday

Partly sunny, with a high near 22.

Thursday Night

Mostly cloudy, with a low around 6.

Friday

Partly sunny and cold, with a high near 9.