There are no active watches, warnings or advisories for Collin County (Texas).
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Updated: @ Aug-18-2018 2:45pm - next update at 2:50pm  
Summary / Temperature Wind Precipitation Outlook


Mostly sunny, Dry
Mostly sunny, Dry

98.8°F Warmer 1.5°F than last hour.
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Currently 98.8°F, Max: 99.1°F, Min: 81.2°F Feels like:
°F

24-hr
difference
2°FWarmer 2°F than yesterday at this time.
TEMP HIGH LOW
Today 99.1°F
2:31pm
81.2°F
7:40am
Yesterday 98.7°F
4:37pm
80.7°F
7:22am
Record 112°F
1909
65°F
1992
Normal 96°F
75°F
 Wind from SSE SSE
1.0
Gust:
1.0 mph
Calm
60-Min Avg: 3.5 mph
120-Min Avg: 3.5 mph
Max Gust: 19.6 mph 1:17pm
Month: 25.0 mph Aug 4
Today: 0.00 in
Yesterday: 0.00 in
Last
Rain:
8/14/2018
11:38 AM
August: 2.32 in
Last 7 Days: 1.34 in
Rain Season:1 25.43 in
Rain Days: 47 in 2018
3 days since last rain.
Tonight

Tonight: Slight Chance Showers And Thunderstorms
Slight Chance Showers And T-Storms

Barometer Humidity/Dew Point Moon
Current: 29.891 inHg Falling 0.03 °F/hr
1-Hr Trend: Falling slowly
3-Hr Trend: Falling
High: 29.991  | Low: 29.890
Humidity: 42 % Decreased 4% since last hour.
Humidex: 115.7°F
Dew Point: 71.7°F Decreased 1.1°F since last hour.
Wetbulb: 79.9°F
Waxing Gibbous
Waxing Gibbous, Moon at 7 days in cycle
55%
Illuminated
Current UV Index Current Solar Energy
   5.4    Medium 
High: 6.2 @ 12:44pm
Time to Burn: 21 Mins
Energy: 0 W/m2 (85%)
High: 990 at  12:51pm
Apparent Temp: 121.4°F
Heat Index Cooling Degree Days Sun
Current: 108.1°F
Today: 111.3°F  2:31pm
Yesterday: 109.3°F
Last Week: 110.8°F
Record: 118.2°F   Jul-22-2018
Today: 12.3
August: 319.0
2018 to Date: 2146.7
Heating Degree Days
2018 to Date: 1486.4
Daylight: Possible hours of Daylight
13:19
-00:01:48 Min
Almanac Irrigation Index5 Station All Time Records Fire Risk
Sunrise: 6:51am
Sunset: 8:10pm
Moonrise: 2:23pm
Moonset: 12:33am
Full Moon: August 26 2018
New Moon: 18:02 UTC September 9 2018
Updated at Midnight
Current: 0.26 in   
7-Days Rain: 1.34 in   
7-Days ET: 1.11 in   
7-Day: 0.23 in 0.23 in water in excess of what evaporated in last 7 days.
August: -1.35 in 1.35 in water in deficit of what evaporated this month.
Other Conditions
Air Density: 1.13 kg/m3
Cloud Height: 6955 ft
HIGHS: LOWS:
108.1°F
Jul-26-2016
11.7°F
Jan-17-2018
Daytime Records
    106.7°F on: Jul 21 2018   19.9°F on: Mar 02 2014
Nitetime Records
  94.1°F on: Jul 23 2018 16.7°F on: Jan 17 2018
ICN:0 ISS:Ok CON:4.7 RCP:98%
Chandler Burning Index
Chandler Burning Index: LOW
Currently:
35.0 at 2:45 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.)
  Weather Forecast  -   This Afternoon's and Tonight's Outlook
This
Afternoon
This Afternoon: Slight Chance Showers And Thunderstorms
Slight Chance Showers And T-Storms

Hi 99 °F
NWS forecast: A slight chance of showers and thunderstorms. Mostly sunny, with a high near 99. Heat index values as high as 106. West northwest wind 5 to 10 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
Tonight

Tonight: Slight Chance Showers And Thunderstorms
Slight Chance Showers And T-Storms

Lo 79 °F ↑
NWS forecast: A slight chance of showers and thunderstorms. Mostly cloudy. Low around 79, with temperatures rising to around 81 overnight. Heat index values as high as 104. Southeast wind 5 to 10 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
  NWS Short Term Weather Forecast
Tonight

Tonight: 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: Chance Showers And Thunderstorms
Chance Showers And T-Storms
Monday

Monday: Chance Showers And Thunderstorms
Chance Showers And T-Storms
Monday
Night
Monday Night: Chance Showers And Thunderstorms then Mostly Clear
Chance Showers And T-Storms then Mostly Clear
Tuesday

Tuesday: Sunny
Sunny
Tuesday
Night
Tuesday Night: Mostly Clear
Mostly Clear
Wednesday

Wednesday: Sunny
Sunny
Lo 79 °F ↑ Hi 96 °F Lo 77 °F Hi 93 °F Lo 73 °F ↑ Hi 91 °F Lo 71 °F Hi 92 °F
US Radar & Visible Satellite
US Radar National Infrared Satellite
Radar/Satellite images courtesy of Weather Underground.