Heat Advisory HEAT ADVISORY - Andrew County  - DeKalb County

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Local Radar
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Updated: @ 12-Aug-2026 12:07pm  
Summary / Temperature Wind Rain Outlook
Clear Clear
Currently: 85.5, Max: 87.1, Min: 76.5 85.5°F
Warmer 1.1°F than last hour.

Warm

Feels like: 107°F

24-hr difference
28.6°FWarmer 28.6°F than yesterday at this time.
  Today Yesterday
High: 87.1°F
11:52am
90.0°F
4:49pm
Low: 76.5°F
7:44am
78.4°F
1:35am
 Wind from SE SE
4.0
Gust:
10.1 mph
1 Bft - Light air
Today: 20.0 mph 7:33am
Gust Month: 46.0 mph August 10
Rain Today: 0.05 in
Rain Rate (/hr): 0.00 in
Rain Yesterday: 0.00 in
This Month: 0.77 in
This Year: 16.24 in
Tonight

Tonight: Mostly Cloudy then Chance Showers And Thunderstorms
Mostly Cloudy then Chance Showers And T-Storms
Humidity & Barometer Almanac Moon
Humidity: 75 % Decreased 2.0% since last hour.
Dew Point: 76.6°F Increased 0.1°F since last hour.
Barometer: 29.72 inHg Rising 0.02  inHg/hr
Baro Trend: Rising Slowly
Sunrise: 6:26am
Sunset: 8:21pm
Moonrise: 6:11am
Moonset: 8:28pm
New Moon
New Moon, Moon at 0 days in cycle
0%
Illuminated
UV Index Forecast Solar Radiation
12-Aug-2026
8.6     Very High 
186 W/m2 (19 %)
High: 853 @  11:45am
National Weather Service & Empire Prairie- Five Day Forecast
This
Afternoon
This Afternoon: Slight Chance Showers And Thunderstorms
Slight Chance Showers And T-Storms

Hi 96 °F
NWS forecast: A slight chance of showers and thunderstorms before 5pm. Partly sunny, with a high near 96. Heat index values as high as 105. Southwest wind around 8 mph, with gusts as high as 18 mph. Chance of precipitation is 20%.
Empire Prairie: Fair to partly cloudy. Hot. High 96°. Heat index up to 107°. UV index up to 8. Wind south around 9 mph, gusting to 17 mph.
Tonight

Tonight: Mostly Cloudy then Chance Showers And Thunderstorms
Mostly Cloudy then Chance Showers And T-Storms

Lo 76 °F
NWS forecast: A chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 76. Heat index values as high as 106. East northeast wind 6 to 9 mph. Chance of precipitation is 30%.
Empire Prairie: Partly cloudy in the evening, becoming partly to mostly cloudy after midnight. A slight chance of rain. Scattered thunderstorms likely. Low 78°. Wind east-southeast around 9 mph. Chance of precipitation 20 percent. Precipitation mostly less than a tenth of an inch.
Thursday

Thursday: Slight Chance Showers And Thunderstorms then Mostly Sunny
Slight Chance Showers And T-Storms then Mostly Sunny

Hi 95 °F
NWS forecast: A slight chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 95. Heat index values as high as 105. Southeast wind around 12 mph. Chance of precipitation is 20%.
Empire Prairie: Partly cloudy in the morning, becoming sunny in the afternoon. Hot. High 100°. Heat index up to 107°. UV index up to 8. Wind southeast around 11 mph, gusting to 20 mph, in the morning, becoming south in the afternoon.
Thursday
Night
Thursday Night: Chance Showers And Thunderstorms
Chance Showers And T-Storms

Lo 74 °F
NWS forecast: A chance of showers and thunderstorms between 7pm and 10pm, then a chance of showers and thunderstorms between 10pm and 1am, then a slight chance of showers and thunderstorms. Mostly cloudy, with a low around 74. Heat index values as high as 105. East northeast wind 8 to 15 mph, with gusts as high as 21 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch possible.
Empire Prairie: Partly cloudy in the evening, becoming partly to mostly cloudy after midnight. A slight chance of rain. Scattered thundershowers possible. Warm. Low 78°. Wind southeast around 8 mph, gusting to 16 mph. Chance of precipitation 20 percent. Precipitation mostly less than a tenth of an inch.
Friday

Friday: Slight Chance Showers And Thunderstorms
Slight Chance Showers And T-Storms

Hi 95 °F
NWS forecast: A slight chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 95. Southeast wind around 10 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
Empire Prairie: Partly to mostly cloudy. Very hot. High 102°. Heat index up to 109°. UV index up to 8. Wind south-southwest around 5 mph in the morning, becoming 8 mph, gusting to 18 mph, in the afternoon.
Friday
Night
Friday Night: Chance Showers And Thunderstorms
Chance Showers And T-Storms

Lo 76 °F
NWS forecast: A chance of showers and thunderstorms after 7pm. Partly cloudy, with a low around 76. Chance of precipitation is 30%.
Empire Prairie: Mostly cloudy to cloudy in the evening, becoming mostly cloudy after midnight. A chance of rain. Scattered thundershowers possible. Low 77°. Wind south-southwest around 6 mph. Chance of precipitation 30 percent. Precipitation mostly less than a tenth of an inch.
Saturday

Saturday: Chance Showers And Thunderstorms then Mostly Sunny
Chance Showers And T-Storms then Mostly Sunny

Hi 95 °F
NWS forecast: A chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 95. Chance of precipitation is 30%.
Empire Prairie: Partly to mostly sunny in the morning, becoming mostly sunny in the afternoon. Hot. High 99°. Heat index up to 108°. UV index up to 8. Wind south-southwest around 6 mph, gusting to 17 mph, in the morning, becoming 10 mph, gusting to 19 mph, in the afternoon.
Saturday
Night
Saturday Night: Partly Cloudy then Slight Chance Showers And Thunderstorms
Partly Cloudy then Slight Chance Showers And T-Storms

Lo 74 °F
NWS forecast: A slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 74.
Empire Prairie: Fair to partly cloudy in the evening, becoming partly cloudy after midnight. Low 76°. Wind northeast around 8 mph.
Sunday

Sunday: Slight Chance Showers And Thunderstorms
Slight Chance Showers And T-Storms

Hi 89 °F
NWS forecast: A slight chance of showers and thunderstorms. Partly sunny, with a high near 89.
Empire Prairie: Mostly cloudy to cloudy. A chance of rain in the morning, then a slight chance of rain in the afternoon. Precipitation showery or intermittent. High 87°. UV index up to 6. Wind north-northeast around 9 mph, gusting to 18 mph. Chance of precipitation 40 percent. Precipitation mostly less than a tenth of an inch.