Winter Storm Watch WINTER STORM WATCH - Plano, Collin County, Texas
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Updated: @ 21-Jan-2026 3:40am - next update at 3:45am  
Summary / Temperature Wind Precipitation Outlook


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

51.0°F Warmer 0.6°F than last hour.
Cool
Currently 51.0, Max: 52.9, Min: 50.1 Feels like:
51°F

24-hr
difference
22.1°FWarmer 22.1°F than yesterday at this time.
TEMP HIGH LOW
Today 52.9°F
1:29am
50.1°F
2:42am
Yesterday 52.5°F
3:16pm
28.6°F
7:11am
Record 79°F
2005
7°F
1935
Normal 57°F
36°F
 Wind from SSW SSW
0.9
Gust:
0.0
Calm

60-Min Avg: Calm
120-Min Avg: 1.2 mph
Max Gust: 12.7 mph 12:05am
Month: 35.2 mph Jan 14
Today: 0.02 in
Storm Rain: 0.02 in
Yesterday: 0.00 in
Last
Rain:
1/21/2026
2:35 AM
January: 0.10 in
Last 7 Days: 0.00 in
Rain Season:1 0.10 in
Rain Days: 2 in 2026
3 rain days in January
Wednesday

Wednesday: A 30 percent chance of showers, mainly before 9am.  Cloudy through mid morning, then gradual clearing, with a high near 62. South southwest wind around 5 mph becoming north in the afternoon.
Chance
Showers then
Mostly Sunny

Barometer Humidity/Dew Point Moon
Current: 30.131 inHg Falling 0.01 °F/hr
1-Hr Trend: Steady
3-Hr Trend: Falling
High: 30.185  |  Low: 30.130
Humidity: 83 % Increased 3% since last hour.
Humidex: 51.6°F
Dewpoint: 46.0°F Increased 1.5°F since last hour.
Wetbulb: 48.6°F
Waxing Crescent
Waxing Crescent, Moon at 2 days in cycle
7%
Illuminated
UV Forecast Current Solar Energy
21-Jan-2026   Low   2.8   
22-Jan-2026   Medium   3.1   
23-Jan-2026   Medium   3.1   
Energy: 0 W/m2 (0%)
High: 0 at  12:00am
Apparent Temp: 50.2°F
Wind Chill Heating Degree Days Sun
Current: 51.0°F
Today: 50.1°F  at 2:42am
Yesterday: 25.4°F
Last Week: 22.7°F
Record: -13.4°F   15-Feb-2021
Today: 1.8
January: 269.5
2026 to Date: 268.4
Cooling Degree Days
2026 to Date: 3.6
Sunlight Hours
Possible hours of Daylight
10:20 hrs:min
+ 00:01:20 Min
Almanac Irrigation Index5 Station All Time Records Fire Risk
Sunrise: 7:28am
Sunset: 5:48pm
Moonrise: 9:15am
Moonset: 7:43pm
Full Moon: February 01 2026
New Moon: 12:02 UTC February 17 2026
Updated at Midnight
Current: 0.03 in   
7-Days Rain: 0.00 in   
7-Days ET: 0.41 in   
7-Day: -0.41 in 0.41 in water in deficit of what evaporated in last 7 days.
January: -1.12 in 1.12 in water in deficit of what evaporated this month.
Irrigation System: Standby
Other Conditions
Air Density: 1.25 kg/m3
Cloud Height: 1895 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:99%
Chandler Burning Index
Chandler Burning Index: LOW
Currently:
-0.5 at 03:40 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 Wednesday's Outlook
Overnight

Overnight: A 40 percent chance of showers.  Mostly cloudy, with a steady temperature around 51. South southwest wind 5 to 10 mph.
Chance
Showers


Lo 51 °F
NWS forecast: A 40 percent chance of showers. Mostly cloudy, with a steady temperature around 51. South southwest wind 5 to 10 mph.
Wednesday

Wednesday: A 30 percent chance of showers, mainly before 9am.  Cloudy through mid morning, then gradual clearing, with a high near 62. South southwest wind around 5 mph becoming north in the afternoon.
Chance
Showers then
Mostly Sunny

Hi 62 °F
NWS forecast: A 30 percent chance of showers, mainly before 9am. Cloudy through mid morning, then gradual clearing, with a high near 62. South southwest wind around 5 mph becoming north in the afternoon.
 NWS NWS Short Term Weather Forecast
Wednesday

Wednesday: A 30 percent chance of showers, mainly before 9am.  Cloudy through mid morning, then gradual clearing, with a high near 62. South southwest wind around 5 mph becoming north in the afternoon.
Chance
Showers then
Mostly Sunny
Wednesday
Night
Wednesday Night: Mostly clear, with a low around 39. Northeast wind around 5 mph.
Mostly Clear

Thursday

Thursday: Mostly cloudy, with a high near 59. East southeast wind around 5 mph.
Mostly Cloudy

Thursday
Night
Thursday Night: A 40 percent chance of showers after midnight.  Mostly cloudy, with a low around 42. East northeast wind 5 to 10 mph.
Mostly Cloudy
then Chance
Showers
Friday

Friday: Rain showers before 3pm, then rain showers, possibly mixed with sleet.  Temperature falling to around 34 by 5pm. Northeast wind 10 to 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 80%.
Showers
Likely then
Rain/Sleet
Friday
Night
Friday Night: Rain showers, freezing rain, and sleet before midnight, then sleet, possibly mixed with freezing rain. The sleet could be heavy at times.  Low around 17. North northeast wind around 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 90%.
Wintry Mix

Saturday

Saturday: Sleet, possibly mixed with snow showers and freezing rain before noon, then sleet, possibly mixed with snow showers. The sleet could be heavy at times.  High near 23. North northeast wind around 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 100%.
Wintry Mix

Saturday
Night
Saturday Night: Snow showers and sleet likely before midnight, then a chance of snow showers.  Mostly cloudy, with a low around 10. North wind 10 to 15 mph, with gusts as high as 20 mph.  Chance of precipitation is 60%.
Snow/Sleet
Likely then
Chance Snow
Showers
Hi 62 °F Lo 39 °F Hi 59 °F Lo 42 °F Hi 43 °F Lo 17 °F Hi 23 °F Lo 10 °F
US Radar & Infrared Satellite
US Radar National Infrared Satellite
Radar/Satellite images courtesy of Weather Underground.