Flood Watch FLOOD WATCH - Plano, Collin County, Texas
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Updated: @ 02-Oct-2026 12:30pm - next update at 12:35pm  
Summary / Temperature Wind Precipitation Outlook


Mostly cloudy, Humid
Mostly cloudy, Humid

74.7°F Warmer 1.8°F than last hour.
Comfortable
Currently 74.7, Max: 75.0, Min: 71.4 Feels like:
74°F

24-hr
difference
5.9°FWarmer 5.9°F than yesterday at this time.
TEMP HIGH LOW
Today 75.0°F
12:14pm
71.4°F
12:28am
Yesterday 79.9°F
1:19am
68.7°F
9:41am
Record 99°F
1951
47°F
1985
Normal 84°F
63°F
 Wind from NE NE
2.5
Gust:
1.1
Light Air

60-Min Avg: 2.3 mph
120-Min Avg: 3.5 mph
Max Gust: 11.5 mph 9:29am
Month: 28.8 mph Oct 1
Today: 0.25 in
Storm Rain: 2.75 in
Yesterday: 2.69 in
Last
Rain:
10/2/2026
10:21 AM
October: 2.94 in
Last 7 Days: 2.93 in
Rain Season:1 25.72 in
Rain Days: 59 in 2026
2 rain days in October
Tonight

Tonight: Showers And Thunderstorms Likely
Showers And T-Storms Likely

Barometer Humidity/Dew Point Moon
Current: 30.036 inHg Falling 0.01 °F/hr
1-Hr Trend: Steady
3-Hr Trend: Steady
High: 30.056  |  Low: 29.908
Humidity: 90 % Decreased 5% since last hour.
Humidex: 91.5°F
Dewpoint: 71.6°F Increased 0.2°F since last hour.
Wetbulb: 72.6°F
Waning Gibbous
Waning Gibbous, Moon at 21 days in cycle
60%
Illuminated
Current UV Index Current Solar Energy
   1.3    Low 
High: 2.5 @ 12:07pm
Time to Burn: 86 Mins
Energy: 0 W/m2 (26%)
High: 345 at  12:07pm
Apparent Temp: 86.5°F
Heat Index Cooling Degree Days Sun
Current: 73.5°F
Today: 75.0°F  12:14pm
Yesterday: 79.9°F
Last Week: 103.7°F
Record: 127.2°F   26-Aug-2023
Today: 3.4
October: 11.8
2026 to Date: 3351.6
Heating Degree Days
2026 to Date: 930.5
Sunlight Hours
Possible hours of Daylight
11:50 hrs:min
-00:02:01 Min
Almanac Irrigation Index5 Station All Time Records Fire Risk
Sunrise: 7:21am
Sunset: 7:11pm
Moonrise: 10:43pm
Moonset: 1:52pm
Full Moon: September 26 2026
New Moon: 15:51 UTC October 10 2026
Updated at Midnight
Current: 0.03 in   
7-Days Rain: 2.93 in   
7-Days ET: 1.01 in   
7-Day: 1.92 in 1.92 in water in excess of what evaporated in last 7 days.
October: 2.91 in 2.91 in water in excess of what evaporated this month.
Irrigation System: Suspended
Other Conditions
Air Density: 1.18 kg/m3
Cloud Height: 1471 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:18 ISS:Ok CON:4.6 RCP:99%
Chandler Burning Index
Chandler Burning Index: LOW
Currently:
-0.7 at 12:30 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  -   This Afternoon's and Tonight's Outlook
This
Afternoon
This Afternoon: Showers And Thunderstorms Likely
Showers And T-Storms Likely

Hi 77 °F
NWS forecast: Showers and thunderstorms likely. Mostly cloudy, with a high near 77. North northeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
Tonight

Tonight: Showers And Thunderstorms Likely
Showers And T-Storms Likely

Lo 68 °F
NWS forecast: Showers and thunderstorms likely. Cloudy. Low around 68, with temperatures rising to around 70 overnight. Northeast wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
 NWS NWS Short Term Weather Forecast
Tonight

Tonight: Showers And Thunderstorms Likely
Showers And T-Storms Likely
Saturday

Saturday: Showers And Thunderstorms Likely
Showers And T-Storms Likely
Saturday
Night
Saturday Night: Mostly Cloudy then Slight Chance Rain Showers
Mostly Cloudy then Slight Chance Rain Showers
Sunday

Sunday: Slight Chance Rain Showers then Partly Sunny
Slight Chance Rain Showers then Partly Sunny
Sunday
Night
Sunday Night: Partly Cloudy
Partly Cloudy
Monday

Monday: Sunny
Sunny
Monday
Night
Monday Night: Clear
Clear
Tuesday

Tuesday: Sunny
Sunny
Lo 68 °F Hi 77 °F Lo 67 °F Hi 82 °F Lo 64 °F Hi 82 °F Lo 60 °F Hi 83 °F
US Radar & Infrared Satellite
US Radar National Infrared Satellite
Radar/Satellite images courtesy of Weather Underground.