Flood Watch FLOOD WATCH - Plano, Collin County, Texas
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Updated: @ 01-Oct-2026 6:15am - next update at 6:20am  
Summary / Temperature Wind Precipitation Outlook


Night time, Dry, Overcast -
Night time, Dry, Overcast -

77.5°F Colder 0.3°F than last hour.
Comfortable
Currently 77.5, Max: 79.9, Min: 77.5 Feels like:
79°F

24-hr
difference
-1.7°FColder 1.7°F than yesterday at this time.
TEMP HIGH LOW
Today 79.9°F
1:19am
77.5°F
5:48am
Yesterday 89.5°F
1:31pm
76.8°F
10:00pm
Record 102°F
1979
42°F
1984
Normal 84°F
63°F
 Wind from S S
3.8
Gust:
3.3
Light Breeze

60-Min Avg: 8.1 mph
120-Min Avg: 5.8 mph
Max Gust: 28.8 mph 1:17am
Month: 28.8 mph Oct 1
Today: 0.00 in
Storm Rain: 0.19 in
Yesterday: 0.22 in
Last
Rain:
9/30/2026
11:41 PM
October: 0.00 in
Last 7 Days: 0.24 in
Rain Season:1 22.78 in
Rain Days: 58 in 2026
0 rain day in October
Thursday

Thursday: Showers And Thunderstorms
Showers And T-Storms

Barometer Humidity/Dew Point Moon
Current: 29.762 inHg Rising 0.02 °F/hr
1-Hr Trend: Steady
3-Hr Trend: Rising
High: 29.763  |  Low: 29.728
Humidity: 84 % Increased 1% since last hour.
Humidex: 94.9°F
Dewpoint: 72.3°F Increased 0.1°F since last hour.
Wetbulb: 74.0°F
Waning Gibbous
Waning Gibbous, Moon at 19 days in cycle
73%
Illuminated
UV Forecast Current Solar Energy
01-Oct-2026   High   7.8   
02-Oct-2026   High   7.3   
03-Oct-2026   High   7.0   
Energy: 0 W/m2 (0%)
High: 0 at  12:00am
Apparent Temp: 82.2°F
Heat Index Cooling Degree Days Sun
Current: 79.4°F
Today: 79.9°F  1:19am
Yesterday: 98.0°F
Last Week: 103.7°F
Record: 127.2°F   26-Aug-2023
Today: 3.6
October: 3.6
2026 to Date: 3343.4
Heating Degree Days
2026 to Date: 930.5
Sunlight Hours
Possible hours of Daylight
11:51 hrs:min
-00:02:02 Min
Almanac Irrigation Index5 Station All Time Records Fire Risk
Sunrise: 7:21am
Sunset: 7:12pm
Moonrise: 9:48pm
Moonset: 12:49pm
Full Moon: September 26 2026
New Moon: 15:51 UTC October 10 2026
Updated at Midnight
Current: 0.06 in   
7-Days Rain: 0.24 in   
7-Days ET: 1.15 in   
7-Day: -0.91 in 0.91 in water in deficit of what evaporated in last 7 days.
October: 0 in 
Irrigation System: Standby
Other Conditions
Air Density: 1.16 kg/m3
Cloud Height: 1950 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:13 ISS:Ok CON:4.6 RCP:98%
Chandler Burning Index
Chandler Burning Index: LOW
Currently:
0.4 at 06:15 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 Thursday's Outlook
Overnight

Overnight: Showers And Thunderstorms
Showers And T-Storms

Lo 73 °F
NWS forecast: Showers and thunderstorms. Cloudy. Low around 73, with temperatures rising to around 79 overnight. South southwest wind 0 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday

Thursday: Showers And Thunderstorms
Showers And T-Storms

Hi 81 °F
NWS forecast: Showers and thunderstorms before 4pm, then a chance of showers and thunderstorms. Cloudy. High near 81, with temperatures falling to around 79 in the afternoon. South southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
 NWS NWS Short Term Weather Forecast
Thursday

Thursday: Showers And Thunderstorms
Showers And T-Storms
Thursday
Night
Thursday Night: Chance Showers And Thunderstorms
Chance Showers And T-Storms
Friday

Friday: Showers And Thunderstorms Likely
Showers And T-Storms Likely
Friday
Night
Friday Night: Showers And Thunderstorms Likely
Showers And T-Storms Likely
Saturday

Saturday: Showers And Thunderstorms Likely
Showers And T-Storms Likely
Saturday
Night
Saturday Night: Slight Chance Showers And Thunderstorms
Slight Chance Showers And T-Storms
Sunday

Sunday: Slight Chance Showers And Thunderstorms
Slight Chance Showers And T-Storms
Sunday
Night
Sunday Night: Partly Cloudy
Partly Cloudy
Hi 81 °F Lo 70 °F Hi 79 °F Lo 66 °F Hi 76 °F Lo 64 °F Hi 80 °F Lo 63 °F
US Radar & Infrared Satellite
US Radar National Infrared Satellite
Radar/Satellite images courtesy of Weather Underground.