Flood Warning FLOOD WARNING - Plano, Collin County, Texas
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Updated: @ 19-Jun-2026 12:05pm - next update at 12:10pm  
Summary / Temperature Wind Precipitation Outlook


Overcast, Humid
Overcast, Humid

75.2°F Warmer 3°F than last hour.
Comfortable
Currently 75.2, Max: 83.5, Min: 69.2 Feels like:
75°F

24-hr
difference
-13.4°FColder 13.4°F than yesterday at this time.
TEMP HIGH LOW
Today 83.5°F
12:00am
69.2°F
8:21am
Yesterday 94.0°F
4:17pm
75.9°F
6:22am
Record 103°F
1980
56°F
1912
Normal 92°F
73°F
 Wind from ESE ESE
1.8
Gust:
1.1
Light Air

60-Min Avg: 1.2 mph
120-Min Avg: 2.3 mph
Max Gust: 33.4 mph 7:05am
Month: 36.3 mph Jun 7
Today: 2.06 in
Storm Rain: 1.79 in
Yesterday: 0.00 in
Last
Rain:
6/19/2026
10:25 AM
June: 4.44 in
Last 7 Days: 0.44 in
Rain Season:1 19.84 in
Rain Days: 49 in 2026
7 rain days in June
Tonight

Tonight: A 30 percent chance of showers and thunderstorms, mainly after 4am.  Mostly cloudy, with a low around 74. East wind 5 to 10 mph.
Chance
T-storms

Barometer Humidity/Dew Point Moon
Current: 29.962 inHg Rising 0.04 °F/hr
1-Hr Trend: Rising
3-Hr Trend: Steady
High: 29.981  |  Low: 29.742
Humidity: 88 % Decreased 4% since last hour.
Humidex: 91.8°F
Dewpoint: 71.4°F Increased 1.8°F since last hour.
Wetbulb: 72.6°F
Waxing Crescent
Waxing Crescent, Moon at 5 days in cycle
27%
Illuminated
Current UV Index Current Solar Energy
   1.2    Low 
High: 1.9 @ 11:20am
Time to Burn: 93 Mins
Energy: 0 W/m2 (13%)
High: 288 at  11:22am
Apparent Temp: 87.4°F
Heat Index Cooling Degree Days Sun
Current: 74.5°F
Today: 91.0°F  12:07am
Yesterday: 111.4°F
Last Week: 110.4°F
Record: 127.2°F   26-Aug-2023
Today: 7.6
June: 308.0
2026 to Date: 964.7
Heating Degree Days
2026 to Date: 930.5
Sunlight Hours
Possible hours of Daylight
14:20 hrs:min
+ 00:00:07 Min
Almanac Irrigation Index5 Station All Time Records Fire Risk
Sunrise: 6:18am
Sunset: 8:38pm
Moonrise: 11:17am
Moonset: 11:59pm
Full Moon: June 29 2026
New Moon: 09:44 UTC July 14 2026
Updated at Midnight
Current: 0.06 in   
7-Days Rain: 0.44 in   
7-Days ET: 1.37 in   
7-Day: -0.93 in 0.93 in water in deficit of what evaporated in last 7 days.
June: 0.62 in 0.62 in water in excess of what evaporated this month.
Irrigation System: Suspended
Other Conditions
Air Density: 1.18 kg/m3
Cloud Height: 1625 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:0 ISS:Ok CON:4.6 RCP:98%
Chandler Burning Index
Chandler Burning Index: LOW
Currently:
-0.4 at 12:05 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  -   Juneteenth's and Tonight's Outlook
Juneteenth

Juneteenth: Showers and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms, mainly between 1pm and 4pm.  High near 87. Northeast wind around 10 mph becoming south southeast in the afternoon. Winds could gust as high as 20 mph.  Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Showers


Hi 87 °F
NWS forecast: Showers and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms, mainly between 1pm and 4pm. High near 87. Northeast wind around 10 mph becoming south southeast in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Tonight

Tonight: A 30 percent chance of showers and thunderstorms, mainly after 4am.  Mostly cloudy, with a low around 74. East wind 5 to 10 mph.
Chance
T-storms

Lo 74 °F
NWS forecast: A 30 percent chance of showers and thunderstorms, mainly after 4am. Mostly cloudy, with a low around 74. East wind 5 to 10 mph.
 NWS NWS Short Term Weather Forecast
Tonight

Tonight: A 30 percent chance of showers and thunderstorms, mainly after 4am.  Mostly cloudy, with a low around 74. East wind 5 to 10 mph.
Chance
T-storms
Saturday

Saturday: A 40 percent chance of showers and thunderstorms.  Mostly sunny, with a high near 90. Heat index values as high as 99. South southeast wind 5 to 10 mph.
Chance
T-storms
Saturday
Night
Saturday Night: Mostly clear, with a low around 76. South wind 10 to 15 mph, with gusts as high as 20 mph.
Mostly Clear

Sunday

Sunday: Mostly sunny, with a high near 95. South wind 15 to 20 mph, with gusts as high as 30 mph.
Mostly Sunny

Sunday
Night
Sunday Night: A 20 percent chance of showers and thunderstorms after 1am.  Mostly clear, with a low around 79. South wind around 15 mph, with gusts as high as 25 mph.
Clear then
Slight Chance
T-storms
Monday

Monday: A 20 percent chance of showers and thunderstorms.  Mostly sunny, with a high near 95. South wind around 15 mph, with gusts as high as 20 mph.
Slight Chance
T-storms
Monday
Night
Monday Night: A 50 percent chance of showers and thunderstorms.  Partly cloudy, with a low around 77. South wind around 10 mph.
Chance
T-storms
Tuesday

Tuesday: A 40 percent chance of showers and thunderstorms, mainly before 1pm.  Partly sunny, with a high near 92. South wind around 10 mph.
Chance
T-storms
Lo 74 °F Hi 90 °F Lo 76 °F Hi 95 °F Lo 79 °F Hi 95 °F Lo 77 °F Hi 92 °F
US Radar & Infrared Satellite
US Radar National Infrared Satellite
Radar/Satellite images courtesy of Weather Underground.