Find the Best Places in the United States

Compare Cost of Living, Education, Income, Population, and More.

Current Weather Conditions for Dekalb, IL

A chance of snow before 3am. Mostly cloudy. Low around 15, with temperatures rising to around 21 overnight. South southwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 50%. New snow accumulation of less than half an inch possible.
19°F

Conditions

Wind: 15 mph S
Humidity: 85%
Probability of Precipitation: 52%

Hourly Forcast (next 12 hours)

8 AM 9 AM 10 AM 11 AM 12 PM 1 PM 2 PM 3 PM 4 PM 5 PM 6 PM 7 PM 8 PM
19° 20° 21° 21° 22° 24° 26° 28° 29° 30° 31° 32° 32°

Upcoming Week

Day Forecast High Low
Overnight
Chance Snow
A chance of snow before 3am. Mostly cloudy. Low around 15, with temperatures rising to around 21 overnight. South southwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 50%. New snow accumulation of less than half an inch possible.
19°F -2°F
Tuesday
Cloudy then Chance Rain
A chance of rain and a slight chance of sleet after 5pm. Cloudy. High near 34, with temperatures falling to around 32 in the afternoon. Southwest wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.
19°F -2°F
Tuesday Night
Rain then Chance Snow Showers
Rain and a slight chance of sleet before 3am, then a chance of rain showers between 3am and 4am, then a chance of snow showers. Cloudy. Low around 28, with temperatures rising to around 33 overnight. Southwest wind 15 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 90%. New rainfall amounts less than a tenth of an inch possible.
19°F -2°F
Wednesday
Snow Showers
Snow showers. Mostly cloudy, with a high near 31. Northwest wind 15 to 25 mph, with gusts as high as 45 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
19°F -2°F
Wednesday Night
Slight Chance Snow then Mostly Cloudy
A slight chance of snow before midnight. Mostly cloudy, with a low around 13. Northwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
19°F -2°F
Thursday
Partly Sunny then Slight Chance Snow
A slight chance of snow after noon. Partly sunny, with a high near 22. Chance of precipitation is 20%.
19°F -2°F
Thursday Night
Chance Snow
A chance of snow. Mostly cloudy, with a low around 11. New snow accumulation of less than one inch possible.
19°F -2°F
Friday
Chance Snow
A chance of snow. Mostly cloudy, with a high near 24.
19°F -2°F
Friday Night
Slight Chance Snow then Mostly Cloudy
A slight chance of snow before midnight. Mostly cloudy, with a low around 1.
19°F -2°F
Saturday
Chance Snow
A chance of snow. Mostly cloudy, with a high near 8.
19°F -2°F
Saturday Night
Slight Chance Snow then Partly Cloudy
A slight chance of snow before midnight. Partly cloudy, with a low around -7.
19°F -2°F
Sunday
Mostly Sunny
Mostly sunny, with a high near 7.
19°F -2°F
Sunday Night
Mostly Cloudy then Slight Chance Freezing Rain
A slight chance of freezing rain after midnight. Mostly cloudy, with a low around -4.
19°F -2°F
Monday
Slight Chance Freezing Rain then Slight Chance Snow
A slight chance of freezing rain before noon, then a slight chance of snow. Mostly cloudy, with a high near 20.
19°F -2°F
Data provided by weather.gov