Flood Warning FLOOD WARNING - Collin County
Flood Advisory FLOOD ADVISORY - Collin County
Flood Watch FLOOD WATCH - Collin County
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Updated: 21-Feb-2018 @ 5:15am  
Temperature Current Conditions Forecast / Storm Prediction
Currently Outside: Colder 0.5°F than last hour.

32.6°F

Wind Chill:  32.6°F
Cold
High Today
35.7°F
12:00 AM
Low Today
32.6°F
4:59 AM
Yest High
70.6°F
2:05 AM
Yest Low
35.7°F
11:56 PM
Sta* High
75.2°F
2017
Sta* Low
38.3°F
2014
* This Station's Records Since 10/2009
Station Record Low
<!-- fixupCondition in='Night time/Snow fall/overcast - ' out='Night time, Snow fall, Overcast' ocnt='3' --><!-- vals split on slash -->
Night time, Snow fall, Overcast Night time, Snow fall, Overcast

Calm Wind:  W
0.0

Gusting to:
0.0 mph
Current Snow Snow3:
0.00 in
Chandler Burning Index: LOW Current CBI
Fire Danger:
-2.2 of 100
Overnight

Overnight: Showers and thunderstorms. Some of the storms could produce heavy rain.  Low around 33. North wind around 20 mph, with gusts as high as 30 mph.  Chance of precipitation is 100%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Heavy Rain

Wednesday

Wednesday: Showers and thunderstorms before 7am, then showers and possibly a thunderstorm between 7am and 1pm, then showers and thunderstorms after 1pm. Some of the storms could produce heavy rain.  High near 34. North wind 15 to 20 mph, with gusts as high as 30 mph.  Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Heavy Rain

Wednesday
Night
Wednesday Night: Showers and thunderstorms, mainly before 7pm. Some of the storms could produce heavy rain.  Low around 33. North northwest wind 10 to 15 mph, with gusts as high as 20 mph.  Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Heavy Rain

Lo 33 °F Hi 34 °F Lo 33 °F
SPC Activity Map
Dew Point Liquid Precipitation Wind Speed Sun/Moon
Current: Decreased 0.5°F since last hour. 30.5°F
Last Hour: Decreased 0.5°F since last hour. 0.5°F
High 12:00 AM: 33.6°F
Low 4:59 AM: 30.5°F
Record High: 81.5°F on
17-Aug-2017
Record Low: -3.6°F on
27-Jan-2014
Wetbulb: 31.8°F
Rain Today
rain graph

Melt Today: 1.03 in
Rate (/hr): 0.121 in
Storm Rain: 5.12 in
Yesterday: 4.09 in
Last 7 Days: 4.78 in
Feb Rain: 6.28 in
Feb to Date
  Avg:10
1.40 in
Feb to Date
  Diff from Avg:10
Over 4.88 in for the month 4.88 in
Feb Avg: 2.10 in
Diff from Avg: Over 4.18 in for the month 4.18 in
Season:1 7.40 in
YTD
  Avg:11
4.27 in
YTD
  Diff from Avg:11
Over 3.13 in for the year 3.13 in
13 rain days in 2018
9 days in February
0 days since last rain
Current: W  0.0 mph
1Hr Average: 0.1 mph
Wind Run: 1.13 miles
Wind Gust
Current: 0.0 mph mph
Today: 13.0 mph 2:03 AM
Month: 15.0 mph 1-Feb
Year: 36.0 mph 21-Jan
Record Gust: 63.3 mph
29-Mar-2017
Sunlight:
11 hrs 12 min
of Sunlight Today
graph 46.7% 53.3%
Which is
1 min 57 sec Longer
Than Yesterday
 

Evening Crescent, 5 days, 14 hours, 12 minutes in cycle
31%
Illuminated
Humidity Barometer
Current: No Change 92%
Last Hour: No Change 0%
High 12:00 AM: 92%
Low 12:26 AM: 91%
Record High: 100%
6-Oct-2009
Record Low: 13%
11-Dec-2017
Current: Rising 0.014  inHg/hr 30.168 inHg
Last Hour: Steady
High 4:38 AM: 30.197 in.
Low 12:33 AM: 30.105 in.
Record High: 30.844 inHg
1-Jan-2018
Record Low: 29.323 inHg
21-Jan-2017
Heating Degree Days Snow3 Wind Chill Air
Today: 6.2
Feb: 370.8
2018 to Date: 1040.7
Cooling Degree Days
2018 to Date: 8.6
Today: 0.00 in
Yesterday: 0.00 in
Feb Snow: Under 2.795 in for the month 0.00 in
Feb Avg: 2.80 in
Diff from Avg: -2.80 in
Season Total:2 0.20 in
Snow Depth: 0.00 in
0 snow days in February
2 snow days this season.2
First Snow of Season:
31-Dec-2017
Average 1st Snow:
14 of Dec
Current: 32.6°F
Low 3:59 AM: 31.8°F
Yesterday: 33.8°F
Record: -3.6°F
10-Feb-2011
Quality
Index6:

20


Good

Density:
1.30 kg/m3
UV Summary/Forecast Solar Summary
High Yest:   0.9 @ 1:16 PM
Feb-21

5.3
Feb-22

5.5
Feb-23

5.8
High Yest:   243.0 @ 3:34 PM
Sun Hours Today:
00:00
   This Month: 43:54 Hrs
Rise: 7:04 am  Set: 6:16 pm
Almanac Irrigation Index5 Station All Time Records Cloud Level
Currently: Early Morning
YTD Avg Temp: 44.8°F
Sunrise: 7:04 am
Sunset: 6:16 pm
Moonrise: 10:38 am
Moonset: 11:01 pm
Full Moon: 02-Mar-2018
New Moon: 13:12 UTC
17-Mar-2018
Updated at Midnight
Current ET: 0.00 in
7-Days Rain: 4.78 in
7-Days ET: 0.27 in
7-Day:  4.504 in water in excess of what evaporated in last 7 days. 4.504 in
February:  5.59 in water in excess of what evaporated this month. 5.59 in
HIGHS: LOWS:
109.4°F
3-Aug-2011
11.8°F
17-Jan-2018
Daytime Records
  108.3°F
10-Aug-2015
  16.3°F
02-Feb-2011
Nitetime Records
  96.8°F
04-Aug-2011
  13.1°F
02-Feb-2011
ICN:1 | S3C2:1 | Ajax 3.xx
ISS:Ok | CON:4.6 | RCP:98%
1 Rain season: Jan 1st to Dec 31st.   2 Snow season July 1st to June 30th.   3 Snow manually measured usually around 7AM and 7PM.   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).   6 Air Quality Index is provided by Texas Commission on Environmental Quality.   10 Historical average only to day 21 of just the month of February for this station since 2009.   11 Historical average rain this season to day 21 of February for this station since 2009.
 NWS Weather Forecast  -   Outlook Overnight & Wednesday
Overnight

Overnight: Showers and thunderstorms. Some of the storms could produce heavy rain.  Low around 33. North wind around 20 mph, with gusts as high as 30 mph.  Chance of precipitation is 100%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Heavy Rain


Lo 33 °F
NWS forecast: Showers and thunderstorms. Some of the storms could produce heavy rain. Low around 33. North wind around 20 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday

Wednesday: Showers and thunderstorms before 7am, then showers and possibly a thunderstorm between 7am and 1pm, then showers and thunderstorms after 1pm. Some of the storms could produce heavy rain.  High near 34. North wind 15 to 20 mph, with gusts as high as 30 mph.  Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Heavy Rain


Hi 34 °F
NWS forecast: Showers and thunderstorms before 7am, then showers and possibly a thunderstorm between 7am and 1pm, then showers and thunderstorms after 1pm. Some of the storms could produce heavy rain. High near 34. North wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
 NWS Short Term Weather Forecast
Wednesday
Night
Wednesday Night: Showers and thunderstorms, mainly before 7pm. Some of the storms could produce heavy rain.  Low around 33. North northwest wind 10 to 15 mph, with gusts as high as 20 mph.  Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Heavy Rain

Thursday

Thursday: Showers likely and possibly a thunderstorm, mainly after 1pm.  Cloudy, with a high near 42. North wind 5 to 10 mph.  Chance of precipitation is 70%.
Chance
Showers then
Showers
Likely
Thursday
Night
Thursday Night: Showers likely and possibly a thunderstorm.  Cloudy, with a low around 42. North northwest wind around 5 mph.  Chance of precipitation is 70%.
Showers
Likely

Friday

Friday: Showers likely and possibly a thunderstorm, then showers and thunderstorms after 7am.  High near 61. North northeast wind around 5 mph becoming east southeast in the afternoon.  Chance of precipitation is 80%.
T-storms

Friday
Night
Friday Night: Showers and thunderstorms.  Low around 53. East wind 5 to 15 mph becoming south in the evening.  Chance of precipitation is 80%.
T-storms

Saturday

Saturday: Showers and thunderstorms.  High near 64. South wind 10 to 15 mph becoming west in the afternoon.  Chance of precipitation is 80%.
T-storms

Saturday
Night
Saturday Night: Showers and thunderstorms, mainly before 7pm.  Low around 41. West wind 5 to 10 mph becoming north after midnight.  Chance of precipitation is 80%.
T-storms then
Slight Chance
T-storms
Lo 33 °F Hi 42 °F Lo 42 °F Hi 61 °F Lo 53 °F Hi 64 °F Lo 41 °F
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