National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

De Kalb Taylor Municipal Airport (KDKB)

Lat: 41.93°NLon: 88.71°WElev: 909ft.

Mostly Cloudy

77°F

25°C

Humidity 31%
Wind Speed SW 17 G 24 mph
Barometer 29.50 in
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 4 May 3:35 pm CDT
Extended Forecast for

Dekalb IL

  • This Afternoon

    This Afternoon: Scattered showers and thunderstorms, then showers likely and possibly a thunderstorm after 5pm. Patchy blowing dust. Mostly sunny, with a high near 80. Breezy, with a west southwest wind around 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%.

    High: 80 °F

    Showers
    Likely and
    Breezy

  • Tonight

    Tonight: Scattered showers and thunderstorms before 8pm, then isolated showers after 4am. Mostly cloudy, with a low around 48. West southwest wind 10 to 15 mph becoming north after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 30%.

    Low: 48 °F

    Scattered
    T-storms then
    Isolated
    Showers

  • Tuesday

    Tuesday: Isolated showers before 7am. Mostly cloudy, with a high near 59. North wind around 10 mph. Chance of precipitation is 10%.

    High: 59 °F

    Isolated
    Showers then
    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 39. North wind 5 to 10 mph.

    Low: 39 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 56. West northwest wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 56 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 37.

    Low: 37 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 59.

    High: 59 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 44.

    Low: 44 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 64.

    High: 64 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Scattered showers and thunderstorms, then showers likely and possibly a thunderstorm after 5pm. Patchy blowing dust. Mostly sunny, with a high near 80. Breezy, with a west southwest wind around 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%.
Tonight
Scattered showers and thunderstorms before 8pm, then isolated showers after 4am. Mostly cloudy, with a low around 48. West southwest wind 10 to 15 mph becoming north after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 30%.
Tuesday
Isolated showers before 7am. Mostly cloudy, with a high near 59. North wind around 10 mph. Chance of precipitation is 10%.
Tuesday Night
Mostly cloudy, with a low around 39. North wind 5 to 10 mph.
Wednesday
Partly sunny, with a high near 56. West northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Wednesday Night
Mostly cloudy, with a low around 37.
Thursday
Mostly sunny, with a high near 59.
Thursday Night
Partly cloudy, with a low around 44.
Friday
Partly sunny, with a high near 64.
Friday Night
Partly cloudy, with a low around 42.
Saturday
Sunny, with a high near 70.
Saturday Night
Partly cloudy, with a low around 48.
Sunday
A chance of showers. Mostly cloudy, with a high near 66.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Dekalb IL
 41.9°N 88.76°W
Last Update:
2:56 pm CDT May 4, 2026
Forecast Valid:
3pm CDT May 4, 2026-6pm CDT May 10, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation