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Montgomery Co.
 Details for Montgomery Co. Heat Advisory  +1 additional alert
 Harris Co.
 Details for Harris Co. Heat Advisory  +1 additional alert

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Heat Advisory HEAT ADVISORY - Harris Co.  - Montgomery Co.

NWS Southern Plains Regional Radar WU South Central Satellite
Radar/Satellite images courtesy of NOAA/NWS and Weather Underground.
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Updated: @ 18-Jun-2026 10:30pm - next update at 10:35pm  
Summary / Temperature Wind Rain Outlook
Partly cloudy Partly cloudy
Currently: 87.7, Max: 97.2, Min: 76.3 87.7°F
Colder 1.8°F than last hour.

Warm

Feels like: 99°F

24-hr difference
3.9°FWarmer 3.9°F than yesterday at this time.
  Today Yesterday
High: 97.2°F
5:43pm 		94.8°F
4:51pm
Low: 76.3°F
6:38am 		75.3°F
6:08am
Wind from ESE ESE
1
Gust:
 4 mph
0 Bft - Calm
Today: 16 mph 2:29pm
Gust Month: 26 mph June 2
Rain Today: 0 in
Rain Rate (/hr): 0 in
Rain Yesterday: 0 in
This Month: 1.87 in
Season Total: 13.56 in
3 days since last rain.
Juneteenth

Juneteenth: Showers And Thunderstorms
Showers And T-Storms
Humidity & Barometer Almanac Moon
Humidity: 70 % Increased 3.0% since last hour.
Dew Point: 76.7°F Decreased 0.1°F since last hour.
Barometer: 29.77 inHg Rising 0.02 inHg/hr
Baro Trend: Rising
Sunrise: 6:18am
Sunset: 8:40pm
Moonset: 12:00am
Moonrise: 10:11am
Waxing Crescent
Waxing Crescent, Moon at 5 days in cycle
22%
Illuminated
UV Index Forecast UV Index Forecast
18-Jun-2026
10.9     Very High 
19-Jun-2026
11.0     Extreme 
 NWS Weather Forecast  - Outlook: Tonight & Juneteenth
Tonight

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

Lo 77 °F		 NWS forecast: A chance of showers and thunderstorms between 1am and 4am, then showers and thunderstorms. Mostly cloudy, with a low around 77. Heat index values as high as 101. East southeast wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
Davis VP+ forecast: Mostly cloudy and cooler. Windy with possible wind shift to the W, NW, or N.
 
Juneteenth

Juneteenth: Showers And Thunderstorms
Showers And T-Storms

Hi 86 °F		 NWS forecast: Showers and thunderstorms before 1pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 86. East northeast wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.