Current Weather Forecast for DeKalb

IL 60115  |   7:10pm

Weather Conditions

89°

Feels Like 102°

Fair

74° 93° EXTREME HEAT

EXTREME HEAT

0

UV Index

Moderate

Air Quality

SSW 15 mph

Wind

0 in

rain

Tonight

Tue 6/30

74°

Lowest Temperature

6%

Clear skies. Low 74F. Winds SW at 10 to 20 mph.

Tomorrow

Wed 7/1

92°

Highest Temperature

5%

Mostly sunny skies. Hot and humid. High 92F. Winds SW at 10 to 20 mph.

Tomorrow night

Wed 7/1

75°

Lowest Temperature

9%

Mostly clear. Low around 75F. Winds SW at 10 to 20 mph.

Next 12 Hours Next 7 Days

Next 12 Hours Forecast in DeKalb

Hourly Weather Forecast & Temperature

8PM

5%

87°

Feels Like 98°

EXTREME HEAT

Partly Cloudy

SSW 13 mph

Wind

1011 mb

Pressure

71%

Humidity

0

UV Index

10mi

Visibility

30%

Cloud Cover

9PM

6%

84°

Feels Like 93°

EXTREME HEAT

Partly Cloudy

SW 11 mph

Wind

1012 mb

Pressure

74%

Humidity

0

UV Index

10mi

Visibility

31%

Cloud Cover

10PM

4%

83°

Feels Like 91°

EXTREME HEAT

Mostly Clear

SSW 10 mph

Wind

1012 mb

Pressure

77%

Humidity

0

UV Index

10mi

Visibility

28%

Cloud Cover

11PM

2%

81°

Feels Like 87°

EXTREME HEAT

Clear

SSW 11 mph

Wind

1013 mb

Pressure

76%

Humidity

0

UV Index

10mi

Visibility

2%

Cloud Cover

12AM

2%

80°

Feels Like 85°

EXTREME HEAT

Clear

SW 11 mph

Wind

1013 mb

Pressure

76%

Humidity

0

UV Index

10mi

Visibility

0%

Cloud Cover

1AM

2%

79°

Feels Like 84°

EXTREME HEAT

Clear

SW 11 mph

Wind

1013 mb

Pressure

77%

Humidity

0

UV Index

10mi

Visibility

5%

Cloud Cover

2AM

3%

79°

Feels Like 83°

EXTREME HEAT

Clear

SW 10 mph

Wind

1013 mb

Pressure

77%

Humidity

0

UV Index

10mi

Visibility

11%

Cloud Cover

3AM

5%

78°

Feels Like 82°

EXTREME HEAT

Clear

SW 10 mph

Wind

1013 mb

Pressure

77%

Humidity

0

UV Index

10mi

Visibility

6%

Cloud Cover

4AM

5%

77°

Feels Like 81°

EXTREME HEAT

Clear

SW 9 mph

Wind

1014 mb

Pressure

79%

Humidity

0

UV Index

10mi

Visibility

7%

Cloud Cover

5AM

6%

76°

Feels Like 80°

EXTREME HEAT

Clear

SW 8 mph

Wind

1014 mb

Pressure

81%

Humidity

0

UV Index

10mi

Visibility

12%

Cloud Cover

6AM

6%

75°

Feels Like 77°

EXTREME HEAT

Sunny

SW 7 mph

Wind

1014 mb

Pressure

85%

Humidity

0

UV Index

9mi

Visibility

7%

Cloud Cover

7AM

5%

78°

Feels Like 82°

EXTREME HEAT

Sunny

SW 8 mph

Wind

1014 mb

Pressure

79%

Humidity

0

UV Index

10mi

Visibility

9%

Cloud Cover

Tue 6/30

Tue

6%

74°

93°

Clear. Lows overnight in the mid 70s.

101°

Feels Like

SW 16 mph

Wind

76%

Humidity

0

UV Index

5:23 AM

Sunrise

8:34 PM

Sunset

Wed 7/1

Wed

5%

74°

92°

EXTREME HEAT

Mostly sunny. Highs in the low 90s and lows in the mid 70s.

100°

Feels Like

SW 15 mph

Wind

63%

Humidity

9

UV Index

5:23 AM

Sunrise

8:34 PM

Sunset

Thu 7/2

Thu

15%

74°

92°

EXTREME HEAT

Mostly sunny. Highs in the low 90s and lows in the low 70s.

100°

Feels Like

SW 13 mph

Wind

65%

Humidity

9

UV Index

5:24 AM

Sunrise

8:34 PM

Sunset

Fri 7/3

Fri

50%

72°

86°

Afternoon thunderstorms. Highs in the mid 80s and lows in the low 70s.

94°

Feels Like

SSW 10 mph

Wind

76%

Humidity

7

UV Index

5:24 AM

Sunrise

8:34 PM

Sunset

Sat 7/4

Sat

70%

69°

84°

Thunderstorms. Highs in the mid 80s and lows in the mid 60s.

90°

Feels Like

SW 8 mph

Wind

77%

Humidity

7

UV Index

5:25 AM

Sunrise

8:33 PM

Sunset

Sun 7/5

Sun

43%

66°

82°

Morning showers. Highs in the low 80s and lows in the mid 60s.

85°

Feels Like

N 9 mph

Wind

76%

Humidity

7

UV Index

5:25 AM

Sunrise

8:33 PM

Sunset

Mon 7/6

Mon

19%

65°

83°

Partly cloudy. Highs in the low 80s and lows in the mid 60s.

85°

Feels Like

NE 8 mph

Wind

70%

Humidity

9

UV Index

5:26 AM

Sunrise

8:33 PM

Sunset

Tue 7/7

Tue

20%

65°

84°

Mix of sun and clouds. Highs in the mid 80s and lows in the mid 60s.

87°

Feels Like

ENE 7 mph

Wind

72%

Humidity

9

UV Index

5:27 AM

Sunrise

8:32 PM

Sunset

Need to see beyond 12 Hours?

Find more forecast on the FREE FOX WEATHER App

GO TO APP STORE

Looking for homes in this area?

• 152 Tilton Park Dr, DeKalb, IL 60115
• 3 Golfview Pl, DeKalb, IL 60115
• 6615 Il Route 38, DeKalb, IL 60115

Sponsored by Redfin. Housing data supplied by Redfin independent of FOX Weather.

Latest Stories from Illinois

Over 230M people to face brutal heat dome, life-threatening temperatures ahead of America's 250th birthday

Temperatures in the 90s are spreading across the Midwest and will reach the East Coast by Wednesday, when it will feel like 100 to 110 degrees for tens of millions of people as a life-threatening heat dome expands eastward ahead of America's 250th birthday.

Magnitude 3.5 earthquake jolts southern Illinois, felt by hundreds across multiple states

Residents across southern Illinois were rattled Monday morning after a magnitude 3.5 earthquake sent light shaking across four states.

4 dead as flash flooding slams Kentucky, triggering emergencies and evacuations

Thunderstorms and flash flooding are threatening the first half of the weekend for millions across parts of the Ohio Valley and East Coast. Those with outdoor plans could be dodging showers on both Saturday and Sunday ahead of a return to 90-degree weather by the middle of next week.

Illinois leads the country for most tornado reports so far in 2026 and it's only June

We're nearly halfway through the year, and it's been an active year for severe weather thus far, with more than 800 reported tornadoes across the U.S.

Load More Stories