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 Details for DeKalb Heat Advisory

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Past 24 hours
 
High Temp
111°F at Medicine Lodge 1e, KS
111°F at Auburn Municipal Ap, CA
 
Low Temp
36°F at Mammoth Lakes Mammoth Yosemite Ap, CA
 
Precipitation
2.37in at Champaign Urbana Willard Ap, IL
2.37in at Mattoon Charleston Coles County Ap, IL
 
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Heat Advisory HEAT ADVISORY - DeKalb

NWS Southeast Regional Radar WU South East Satellite
Radar/Satellite images courtesy of NOAA/NWS and Weather Underground.
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Updated: @ 16-Aug-2026 3:45am - next update at 7:00pm  
Summary / Temperature Wind Rain Outlook
Clear Clear
Currently: 78.1°F, Max: 80.8°F, Min: 78.0°F 78.1°F
Colder 0.1°F than last hour.

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Feels like: 80°F

24-hr difference
2.2°FWarmer 2.2°F than yesterday at this time.
  Today Yesterday
High: 80.8°F
12:00am 		99.6°F
3:22pm
Low: 78°F
3:18am 		74.5°F
7:13am
Calm NNW
0
Gust:
 0 mph
0 Bft - Calm
Today: 0 mph 4:59pm
Gust Month: 12.8 mph August 11
Rain Today: 0 in
Rain Rate (/hr): 0 in
Rain Yesterday: 0 in
Storm Rain: 0 in
This Month: 3.86 in
Season Total: 26.89 in
8 rain days in August.
Sunday

Sunday: Sunny
Sunny
Humidity & Barometer Almanac Moon
Humidity: 90 %  
Dew Point: 74.9°F Decreased 0.1°F since last hour.
Barometer: 30.107 inHg  
Baro Trend: Steady
Sunrise: 6:58am
Sunset: 8:22pm
Moonrise: 11:02am
Moonset: 10:01pm
Waxing Crescent
Waxing Crescent, Moon at 3 days in cycle
15.49%
Illuminated
UV Index Forecast UV Index Forecast
16-Aug-2026
9.0     Very High 
17-Aug-2026
9.1     Very High 
 NWS Weather Forecast  - Outlook: Overnight & Sunday
Overnight

Overnight: Partly Cloudy
Partly Cloudy

Lo 76 °F		 NWS forecast: Partly cloudy, with a low around 76. West wind around 0 mph.
Davis VP+ forecast: Mostly clear and cooler.
 
Sunday

Sunday: Sunny
Sunny

Hi 96 °F		 NWS forecast: Sunny, with a high near 96. Heat index values as high as 103. Northwest wind 0 to 5 mph.