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Heat Advisory HEAT ADVISORY - Houston  - Richmond

NWS Southern Plains Regional Radar WU South Central Satellite
Radar/Satellite images courtesy of NOAA/NWS and Weather Underground.
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Updated: @ 23-Aug-2026 4:06pm  
Summary / Temperature Wind Rain Outlook
Clear Clear
Currently: 100.4, Max: 101.1, Min: 75.6 100.4°F
Warmer 1.3°F than last hour.

Heat Danger

Feels like: 119°F

24-hr difference
-0.5°FColder 0.5°F than yesterday at this time.
  Today Yesterday
High: 101.1°F
4:00pm 		103.3°F
6:00pm
Low: 75.6°F
6:25am 		77.2°F
6:05am
Wind from SSW SSW
2.5
Gust:
 4.5 mph
1 Bft - Light air
Today: 10.3 mph 12:50pm
Rain Today: 0 in
Rain Rate (/hr): 0 in
Rain Yesterday: 0 in
Storm Rain: 0 in
This Month: 0.45 in
Season Total: 36.57 in
9 days since last rain.
Tonight

Tonight: Mostly Clear then Patchy Fog
Mostly Clear then Patchy Fog
Humidity & Barometer Almanac Moon
Humidity: 50 % Decreased 2.0% since last hour.
Dew Point: 78.3°F  
Barometer: 29.92 inHg Falling 0.02 inHg/hr
Baro Trend: Steady
Sunrise: 6:55am
Sunset: 7:55pm
Moonset: 2:30am
Moonrise: 5:18pm
Waxing Gibbous
Waxing Gibbous, Moon at 10 days in cycle
83%
Illuminated
UV Index Solar Radiation
   5     Medium 
High: 8 @ 11:30am
546.11 W/m2
High: 849.38 @  11:30am
 NWS Weather Forecast  - Outlook: This Afternoon & Tonight
This
Afternoon
This Afternoon: Mostly Sunny
Mostly Sunny

Hi 100 °F		 NWS forecast: Mostly sunny, with a high near 100. Heat index values as high as 108. South wind around 5 mph.
 
Tonight

Tonight: Mostly Clear then Patchy Fog
Mostly Clear then Patchy Fog

Lo 77 °F		 NWS forecast: Patchy fog after 4am. Mostly clear, with a low around 77. Heat index values as high as 108. South wind 5 to 10 mph.