Flood Watch FLOOD WATCH - Plano, Collin County, Texas
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Updated: @ 07-Jun-2026 3:05am - next update at 3:10am  
Summary / Temperature Wind Precipitation Outlook


Night time, Moderate drizzle, Overcast -
Night time, Moderate drizzle, Overcast -

69.9°F Colder 1.8°F than last hour.
Comfortable
Currently 69.9, Max: 71.7, Min: 69.8 Feels like:
65°F

24-hr
difference
-5.4°FColder 5.4°F than yesterday at this time.
TEMP HIGH LOW
Today 71.7°F
1:51am
69.8°F
3:04am
Yesterday 89.8°F
4:34pm
70.7°F
7:28pm
Record 101°F
1980
57°F
1983
Normal 90°F
71°F
 Wind from SW SW
4.9
Gust:
4.4
Light Breeze

60-Min Avg: 4.6 mph
120-Min Avg: 1.2 mph
Max Gust: 16.5 mph 3:03am
Month: 27.5 mph Jun 2
Today: 0.38 in
Rate (/hr): 0.460 in
Storm Rain: 1.06 in
Yesterday: 0.84 in
June: 1.39 in
Last 7 Days: 1.01 in
Rain Season:1 16.79 in
Rain Days: 46 in 2026
4 rain days in June
Sunday

Sunday: Showers and thunderstorms likely, mainly before 1pm.  Cloudy, then gradually becoming mostly sunny, with a high near 89. Heat index values as high as 100. South wind 10 to 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Showers
Likely then
Chance
T-storms

Barometer Humidity/Dew Point Moon
Current: 29.819 inHg Rising 0.02 °F/hr
1-Hr Trend: Rising slowly
3-Hr Trend: Rising
High: 29.825  |  Low: 29.748
Humidity: 94 %  
Humidex: 83.6°F
Dewpoint: 68.1°F Decreased 1.8°F since last hour.
Wetbulb: 68.7°F
Waning Gibbous
Waning Gibbous, Moon at 21 days in cycle
61%
Illuminated
UV Forecast Current Solar Energy
07-Jun-2026   Very High   9.9   
08-Jun-2026   Very High   10.6   
09-Jun-2026   Very High   10.8   
Energy: 0 W/m2 (0%)
High: 0 at  12:00am
Apparent Temp: 72.4°F
Heat Index Cooling Degree Days Sun
Current: 64.9°F
Today: 71.7°F  1:51am
Yesterday: 98.3°F
Last Week: 107.6°F
Record: 127.2°F   26-Aug-2023
Today: 0.8
June: 92.6
2026 to Date: 748.6
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: 0.01 in   
7-Days Rain: 1.01 in   
7-Days ET: 1.19 in   
7-Day: -0.18 in 0.18 in water in deficit of what evaporated in last 7 days.
June: 0.21 in 0.21 in water in excess of what evaporated this month.
Irrigation System: Standby
Other Conditions
Air Density: 1.19 kg/m3
Cloud Height: 1168 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:15 ISS:Ok CON:4.6 RCP:98%
Chandler Burning Index
Chandler Burning Index: LOW
Currently:
-1.3 at 03:05 AM
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  -   Overnight's and Sunday's Outlook
Overnight

Overnight: Showers and possibly a thunderstorm.  Low around 70. South wind around 10 mph.  Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Showers


Lo 70 °F
NWS forecast: Showers and possibly a thunderstorm. Low around 70. South wind around 10 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday

Sunday: Showers and thunderstorms likely, mainly before 1pm.  Cloudy, then gradually becoming mostly sunny, with a high near 89. Heat index values as high as 100. South wind 10 to 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Showers
Likely then
Chance
T-storms

Hi 89 °F
NWS forecast: Showers and thunderstorms likely, mainly before 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 89. Heat index values as high as 100. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
 NWS NWS Short Term Weather Forecast
Sunday

Sunday: Showers and thunderstorms likely, mainly before 1pm.  Cloudy, then gradually becoming mostly sunny, with a high near 89. Heat index values as high as 100. South wind 10 to 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Showers
Likely then
Chance
T-storms
Sunday
Night
Sunday Night: Partly cloudy, with a low around 76. 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 94. South wind 10 to 15 mph, with gusts as high as 20 mph.
Sunny

Tuesday
Night
Tuesday Night: Mostly clear, with a low around 78. South wind around 10 mph.
Mostly Clear

Wednesday

Wednesday: Mostly sunny, with a high near 95. South wind 10 to 15 mph, with gusts as high as 25 mph.
Mostly Sunny

Wednesday
Night
Wednesday Night: Mostly clear, with a low around 79. South wind around 15 mph, with gusts as high as 25 mph.
Mostly Clear

Hi 89 °F Lo 76 °F Hi 93 °F Lo 77 °F Hi 94 °F Lo 78 °F Hi 95 °F Lo 79 °F
US Radar & Infrared Satellite
US Radar National Infrared Satellite
Radar/Satellite images courtesy of Weather Underground.