Dense Fog Advisory DENSE FOG ADVISORY - Plano, Collin County, Texas
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Updated: @ 06-Dec-2025 4:10am - next update at 4:15am  
Summary / Temperature Wind Precipitation Outlook


Night time, Dry, A few clouds
Night time, Dry, A few clouds

40.4°F Warmer 0.6°F than last hour.
Cold
Currently 40.4, Max: 42.2, Min: 39.9 Feels like:
40°F

24-hr
difference
0.9°FWarmer 0.9°F than yesterday at this time.
TEMP HIGH LOW
Today 42.2°F
12:31am
39.9°F
2:51am
Yesterday 52.9°F
2:21pm
37.2°F
6:33am
Record 84°F
1966
11°F
1950
Normal 60°F
40°F
 Wind from ENE ENE
1.3
Gust:
0.0
Light Air

60-Min Avg: 2.3 mph
120-Min Avg: 2.3 mph
Max Gust: 9.2 mph 4:00am
Month: 24.2 mph Dec 3
Today: 0.00 in
Yesterday: 0.00 in
Last
Rain:
12/1/2025
6:28 AM
December: 0.09 in
Last 7 Days: 0.09 in
Rain Season:1 44.19 in
Rain Days: 86 in 2025
4 days since last rain
Saturday

Saturday: Patchy dense fog before 11am.  Otherwise, mostly sunny, with a high near 59. East southeast wind 5 to 10 mph.
Patchy Dense
Fog then
Mostly Sunny

Barometer Humidity/Dew Point Moon
Current: 29.983 inHg Falling 0.01 °F/hr
1-Hr Trend: Steady
3-Hr Trend: Falling slowly
High: 30.027  |  Low: 29.980
Humidity: 93 % Increased 1% since last hour.
Humidex: 38.3°F
Dewpoint: 38.5°F Increased 0.8°F since last hour.
Wetbulb: 39.6°F
Waning Gibbous
Waning Gibbous, Moon at 16 days in cycle
97%
Illuminated
UV Forecast Current Solar Energy
06-Dec-2025   Low   2.5   
07-Dec-2025   Low   2.6   
08-Dec-2025   Low   2.5   
Energy: 0 W/m2 (0%)
High: 0 at  12:00am
Apparent Temp: 38.1°F
Wind Chill Heating Degree Days Sun
Current: 40.4°F
Today: 36.5°F  at 2:33am
Yesterday: 35.5°F
Last Week: 23.2°F
Record: -13.4°F   15-Feb-2021
Today: 3.9
December: 120.9
2025 to Date: 1697.2
Cooling Degree Days
2025 to Date: 2971.1
Sunlight Hours
Possible hours of Daylight
10:03 hrs:min
-00:00:45 Min
Almanac Irrigation Index5 Station All Time Records Fire Risk
Sunrise: 7:16am
Sunset: 5:19pm
Moonrise: 6:06pm
Moonset: 9:19am
Full Moon: December 04 2025
New Moon: 01:44 UTC December 20 2025
Updated at Midnight
Current: 0.01 in   
7-Days Rain: 0.09 in   
7-Days ET: 0.23 in   
7-Day: -0.14 in 0.14 in water in deficit of what evaporated in last 7 days.
December: -0.1 in 0.1 in water in deficit of what evaporated this month.
Irrigation System: Standby
Other Conditions
Air Density: 1.27 kg/m3
Cloud Height: 1182 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:1 ISS:Ok CON:4.6 RCP:97%
Chandler Burning Index
Chandler Burning Index: LOW
Currently:
-2.0 at 04:10 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 Saturday's Outlook
Overnight

Overnight: Patchy dense fog.  Otherwise, mostly cloudy, with a low around 39. East southeast wind around 5 mph.
Patchy Dense
Fog

Lo 39 °F
NWS forecast: Patchy dense fog. Otherwise, mostly cloudy, with a low around 39. East southeast wind around 5 mph.
Saturday

Saturday: Patchy dense fog before 11am.  Otherwise, mostly sunny, with a high near 59. East southeast wind 5 to 10 mph.
Patchy Dense
Fog then
Mostly Sunny

Hi 59 °F
NWS forecast: Patchy dense fog before 11am. Otherwise, mostly sunny, with a high near 59. East southeast wind 5 to 10 mph.
 NWS NWS Short Term Weather Forecast
Saturday

Saturday: Patchy dense fog before 11am.  Otherwise, mostly sunny, with a high near 59. East southeast wind 5 to 10 mph.
Patchy Dense
Fog then
Mostly Sunny
Saturday
Night
Saturday Night: Mostly clear, with a low around 43. South southeast wind around 5 mph becoming north northwest after midnight.
Mostly Clear

Sunday

Sunday: Sunny, with a high near 56. North wind 5 to 15 mph, with gusts as high as 25 mph.
Sunny

Sunday
Night
Sunday Night: Mostly clear, with a low around 31. North wind 5 to 10 mph, with gusts as high as 20 mph.
Mostly Clear

Monday

Monday: Sunny, with a high near 52. North wind around 5 mph becoming east in the afternoon.
Sunny

Monday
Night
Monday Night: Mostly clear, with a low around 36. East southeast wind around 5 mph becoming south after midnight.
Mostly Clear

Tuesday

Tuesday: Sunny, with a high near 62. South wind 5 to 10 mph, with gusts as high as 20 mph.
Sunny

Tuesday
Night
Tuesday Night: Clear, with a low around 45. South wind around 10 mph.
Clear

Hi 59 °F Lo 43 °F Hi 56 °F Lo 31 °F Hi 52 °F Lo 36 °F Hi 62 °F Lo 45 °F
US Radar & Infrared Satellite
US Radar National Infrared Satellite
Radar/Satellite images courtesy of Weather Underground.