Flood Watch FLOOD WATCH - Plano, Collin County, Texas
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Updated: @ 06-Jun-2026 8:35pm - next update at 8:40pm  
Summary / Temperature Wind Precipitation Outlook


Dusk, Moderate drizzle, Partly cloudy -
Dusk, Moderate drizzle, Partly cloudy -

71.1°F Warmer 0.3°F than last hour.
Comfortable
Currently 71.1, Max: 89.8, Min: 70.7 Feels like:
67°F

24-hr
difference
-8.8°FColder 8.8°F than yesterday at this time.
TEMP HIGH LOW
Today 89.8°F
4:34pm
70.7°F
7:28pm
Yesterday 84.4°F
1:27pm
74.6°F
6:10am
Record 101°F
1977
55°F
1970
Normal 90°F
71°F
 Wind from NE NE
3.1
Gust:
3.3
Light Breeze

60-Min Avg: Calm
120-Min Avg: 6.9 mph
Max Gust: 26.5 mph 6:43pm
Month: 27.5 mph Jun 2
Today: 0.76 in
Rate (/hr): 0.194 in
Storm Rain: 0.66 in
Yesterday: 0.01 in
June: 0.93 in
Last 7 Days: 0.19 in
Rain Season:1 16.33 in
Rain Days: 45 in 2026
3 rain days in June
Sunday

Sunday: A 50 percent chance of showers and thunderstorms before 1pm.  Partly sunny, with a high near 90. Heat index values as high as 102. South wind 10 to 15 mph, with gusts as high as 25 mph.  New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Chance
T-storms

Barometer Humidity/Dew Point Moon
Current: 29.787 inHg  
1-Hr Trend: Steady
3-Hr Trend: Rising
High: 29.875  |  Low: 29.728
Humidity: 92 % Increased 1% since last hour.
Humidex: 85.3°F
Dewpoint: 68.7°F Increased 0.6°F since last hour.
Wetbulb: 69.5°F
Waning Gibbous
Waning Gibbous, Moon at 20 days in cycle
64%
Illuminated
UV Forecast Current Solar Energy
06-Jun-2026   Very High   10.6   
07-Jun-2026   Very High   9.9   
08-Jun-2026   Very High   10.4   
Energy: 0 W/m2 (0%)
High: 1057 at  1:09pm
Apparent Temp: 74.8°F
Heat Index Cooling Degree Days Sun
Current: 67.3°F
Today: 98.3°F  2:49pm
Yesterday: 91.5°F
Last Week: 107.6°F
Record: 127.2°F   26-Aug-2023
Today: 9.7
June: 88.8
2026 to Date: 744.7
Heating Degree Days
2026 to Date: 930.5
Sunlight Hours
Possible hours of Daylight
14:16 hrs:min
+ 00:00:38 Min
Almanac Irrigation Index5 Station All Time Records Fire Risk
Sunrise: 6:17am
Sunset: 8:33pm
Moonrise: 1:12am
Moonset: 12:41pm
Full Moon: May 31 2026
New Moon: 02:55 UTC June 15 2026
Updated at Midnight
Current: 0.22 in   
7-Days Rain: 0.19 in   
7-Days ET: 1.26 in   
7-Day: -1.07 in 1.07 in water in deficit of what evaporated in last 7 days.
June: -0.05 in 0.05 in water in deficit of what evaporated this month.
Irrigation System: Standby
Other Conditions
Air Density: 1.18 kg/m3
Cloud Height: 1314 ft
HIGHS: LOWS:
111.0°F
Aug 18 2023
-2.0°F
Feb 16 2021
Daytime Records
108.1°F
Aug 19 2024
3.6°F
Feb 15 2021
Nitetime Records
95.2°F
Aug 11 2023
2.1°F
Feb 16 2021
ICN:10 ISS:Ok CON:4.6 RCP:98%
Chandler Burning Index
Chandler Burning Index: LOW
Currently:
-1.0 at 8:35 PM
1 Rain season: Jan 1st to Dec 31st.    5 Estimated amount of water needed to replace the water used by plants and evaporation from the past week. (Negative numbers mean amount of water needed, positive numbers mean excess water is present.)
 NWS Weather Forecast  -   Tonight's and Sunday's Outlook
Tonight

Tonight: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 10pm.  Mostly cloudy, with a low around 72. South southeast wind around 10 mph.  Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Showers
Likely

Lo 72 °F
NWS forecast: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 10pm. Mostly cloudy, with a low around 72. South southeast wind around 10 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Sunday

Sunday: A 50 percent chance of showers and thunderstorms before 1pm.  Partly sunny, with a high near 90. Heat index values as high as 102. South wind 10 to 15 mph, with gusts as high as 25 mph.  New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Chance
T-storms

Hi 90 °F
NWS forecast: A 50 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 90. Heat index values as high as 102. South wind 10 to 15 mph, with gusts as high as 25 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
 NWS NWS Short Term Weather Forecast
Sunday

Sunday: A 50 percent chance of showers and thunderstorms before 1pm.  Partly sunny, with a high near 90. Heat index values as high as 102. South wind 10 to 15 mph, with gusts as high as 25 mph.  New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Chance
T-storms
Sunday
Night
Sunday Night: Partly cloudy, with a low around 75. South wind around 15 mph, with gusts as high as 25 mph.
Partly Cloudy
Monday

Monday: Mostly cloudy, then gradually becoming sunny, with a high near 93. Heat index values as high as 106. South wind around 15 mph, with gusts as high as 25 mph.
Decreasing
Clouds
Monday
Night
Monday Night: Mostly clear, with a low around 77. South wind 10 to 15 mph, with gusts as high as 20 mph.
Mostly Clear
Tuesday

Tuesday: Sunny, with a high near 93. South wind 10 to 15 mph, with gusts as high as 20 mph.
Sunny
Tuesday
Night
Tuesday Night: Mostly clear, with a low around 76. South southeast wind around 10 mph.
Mostly Clear
Wednesday

Wednesday: Sunny, with a high near 94. South wind 10 to 15 mph, with gusts as high as 25 mph.
Sunny
Wednesday
Night
Wednesday Night: Mostly clear, with a low around 77. South wind around 15 mph, with gusts as high as 25 mph.
Mostly Clear
Hi 90 °F Lo 75 °F Hi 93 °F Lo 77 °F Hi 93 °F Lo 76 °F Hi 94 °F Lo 77 °F
US Radar & Infrared Satellite
US Radar National Infrared Satellite
Radar/Satellite images courtesy of Weather Underground.