Alvin, Texas Weather Conditions

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Current Conditions

  • 83°
  • Clear
  • Wind: Calm
  • Humidity: 82%
  • Visibility: 8.0 miles
  • Dew Point: 77°
  • Pressure: 30.08 in. +
  • Heat Index: 92

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Next 12 Hours

10  am
1  pm
4  pm
7  pm
10  pm
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Clear
Clear
86°
91°
86°
88°
84°
Forecast data from the National Digital Forecast Database.

5 Day Forecast

  • Saturday
  • Partly Cloudy
  • High: 93 °
  • Low: 77 °
  • Partly Cloudy
  • Sunday
  • Partly Cloudy
  • High: 91 °
  • Low: 77 °
  • Partly Cloudy
  • Monday
  • Partly Cloudy
  • High: 93 °
  • Low: 77 °
  • Partly Cloudy
  • Tuesday
  • Chance of a Thunderstorm
  • High: 91 °
  • Low: 75 °
  • Chance of a Thunderstorm
  • Wednesday
  • Chance of a Thunderstorm
  • High: 91 °
  • Low: 75 °
  • Chance of T-Storms

Forecast for Alvin, Texas

Updated: 10:00 AM CDT on July 26, 2014

  • Saturday

    Partly cloudy. High of 93F. Winds from the South at 5 to 15 mph.

  • Saturday Night

    Partly cloudy. Low of 77F. Winds from the South at 5 to 15 mph.

  • Sunday

    Partly cloudy. High of 91F with a heat index of 97F. Winds from the South at 5 to 15 mph.

  • Sunday Night

    Clear in the evening, then partly cloudy. Low of 77F. Winds from the SSW at 5 to 15 mph.

  • Monday

    Partly cloudy. High of 93F with a heat index of 99F. Winds from the SW at 5 to 10 mph.

  • Monday Night

    Partly cloudy. Low of 77F. Winds from the SW at 5 to 15 mph.

  • Tuesday

    Mostly cloudy with a chance of a thunderstorm and rain in the morning, then overcast. High of 91F with a heat index of 97F. Winds less than 5 mph. Chance of rain 20%.

  • Tuesday Night

    Partly cloudy with a chance of a thunderstorm and rain. Low of 75F. Winds from the South at 5 to 15 mph shifting to the WSW after midnight. Chance of rain 40%.

  • Wednesday

    Mostly cloudy with a chance of a thunderstorm and rain. High of 91F with a heat index of 99F. Winds from the North at 5 to 10 mph shifting to the SE in the afternoon. Chance of rain 60%.

  • Wednesday Night

    Partly cloudy with a chance of a thunderstorm. Low of 75F. Winds from the SSE at 5 to 10 mph. Chance of rain 20%.

  • Thursday

    Partly cloudy with a chance of a thunderstorm. High of 90F with a heat index of 97F. Winds from the ESE at 5 to 10 mph. Chance of rain 20%.

  • Thursday Night

    Partly cloudy. Low of 72F. Winds from the SE at 5 to 15 mph.

  • Friday

    Partly cloudy. High of 90F. Winds from the ENE at 5 to 10 mph.

  • Friday Night

    Partly cloudy with a chance of a thunderstorm. Low of 75F. Winds from the SSE at 5 to 10 mph shifting to the NE after midnight. Chance of rain 50% with rainfall amounts near 0.2 in. possible.

  • Saturday

    Partly cloudy with a chance of rain. High of 88F. Winds less than 5 mph. Chance of rain 40%.

  • Saturday Night

    Partly cloudy with a chance of a thunderstorm. Low of 73F. Winds less than 5 mph. Chance of rain 20%.

  • Sunday

    Partly cloudy with a chance of a thunderstorm. High of 90F. Winds from the NE at 5 to 10 mph. Chance of rain 40%.

  • Sunday Night

    Partly cloudy with a chance of a thunderstorm. Low of 73F. Winds less than 5 mph. Chance of rain 40%.

  • Monday

    Mostly cloudy with a chance of a thunderstorm. High of 91F. Winds less than 5 mph. Chance of rain 40%.

  • Monday Night

    Mostly cloudy with a chance of a thunderstorm. Low of 77F. Winds less than 5 mph. Chance of rain 40%.

  • Tuesday

    Partly cloudy. High of 91F. Winds less than 5 mph.

  • Tuesday Night

    Clear. Low of 77F. Winds less than 5 mph.

Personal Weather Stations

Personal Weather Stations [Add your weather station!]

Location: CoffeeMuses, Alvin, TX

Updated: 10:02 AM CDT

Temperature: 90.3 °F Dew Point: 90 °F Humidity: 98% Wind: NW at 2.2 mph Pressure: 29.88 in Hourly Precipitation: - Heat Index: 131 °F Graphs

Location: Texas Gulf flat lands., Alvin, TX

Updated: 10:09 AM CDT

Temperature: 86.2 °F Dew Point: 78 °F Humidity: 76% Wind: South at 3.2 mph Pressure: 29.74 in Hourly Precipitation: - Heat Index: 98 °F Graphs

Location: Bobby Wright, Alvin, TX

Updated: 10:10 AM CDT

Temperature: 86.7 °F Dew Point: 72 °F Humidity: 61% Wind: Calm Pressure: 30.30 in Hourly Precipitation: 0.00 in Heat Index: 93 °F Graphs

Location: RogThomTX, Alvin, TX

Updated: 10:10 AM CDT

Temperature: 88.3 °F Dew Point: 80 °F Humidity: 75% Wind: SW at 3.8 mph Pressure: 30.10 in Hourly Precipitation: 0.00 in Heat Index: 104 °F Graphs

Location: Stevenwood, Alvin, TX

Updated: 9:55 AM CDT

Temperature: 87.4 °F Dew Point: 81 °F Humidity: 80% Wind: Calm Pressure: 30.06 in Hourly Precipitation: 0.00 in Heat Index: 104 °F Graphs

Location: Amateur Radio Station K5UY, ALGOA, TX

Updated: 10:10 AM CDT

Temperature: 87.9 °F Dew Point: 82 °F Humidity: 83% Wind: SW at 6.0 mph Pressure: 30.05 in Hourly Precipitation: 0.00 in Heat Index: 108 °F Graphs

Location: West Road, Alvin, TX

Updated: 10:09 AM CDT

Temperature: 86.2 °F Dew Point: -23 °F Humidity: - Wind: SW at 6.3 mph Pressure: 30.14 in Hourly Precipitation: 0.06 in Heat Index: 83 °F Graphs

Location: WE5ST - Grid: EL29ih, Alvin, TX

Updated: 10:10 AM CDT

Temperature: 84.9 °F Dew Point: 81 °F Humidity: 89% Wind: Calm Pressure: 30.07 in Hourly Precipitation: 0.00 in Heat Index: 101 °F Graphs

Location: Shepard Park Plaza, Houston, TX

Updated: 9:45 AM CDT

Temperature: 85.1 °F Dew Point: 74 °F Humidity: 70% Wind: Calm Pressure: 30.04 in Hourly Precipitation: - Heat Index: 93 °F Graphs

Location: Westover Park, League City, TX

Updated: 9:56 AM CDT

Temperature: 92.8 °F Dew Point: 80 °F Humidity: 66% Wind: SE at 2.7 mph Pressure: 30.02 in Hourly Precipitation: - Heat Index: 111 °F Graphs

Location: Westover Park, League City, TX

Updated: 10:05 AM CDT

Temperature: 88.6 °F Dew Point: 80 °F Humidity: 76% Wind: Calm Pressure: 30.04 in Hourly Precipitation: 0.00 in Heat Index: 106 °F Graphs

Location: Mikeg Weather station on Highland Rd, Santa Fe, TX

Updated: 10:00 AM CDT

Temperature: 87.1 °F Dew Point: 81 °F Humidity: 83% Wind: WSW at 1.0 mph Pressure: 30.06 in Hourly Precipitation: 0.00 in Heat Index: 105 °F Graphs

Location: Santa Fe, TX

Updated: 10:09 AM CDT

Temperature: 86.7 °F Dew Point: 51 °F Humidity: 29% Wind: SSW at 6.0 mph Pressure: 30.04 in Hourly Precipitation: 0.00 in Heat Index: 84 °F Graphs

Location: Glenshannon, Friendswood, TX

Updated: 10:09 AM CDT

Temperature: 87.3 °F Dew Point: 69 °F Humidity: 54% Wind: SW at 2.0 mph Pressure: 30.03 in Hourly Precipitation: 0.00 in Heat Index: 91 °F Graphs

Location: Prairie Estates, Dickinson, TX

Updated: 9:56 AM CDT

Temperature: 87.5 °F Dew Point: 81 °F Humidity: 80% Wind: Calm Pressure: 30.04 in Hourly Precipitation: 0.00 in Heat Index: 105 °F Graphs

Location: Rustic Oaks, League City, TX

Updated: 9:10 AM MDT

Temperature: 89.2 °F Dew Point: 81 °F Humidity: 77% Wind: Calm Pressure: 30.06 in Hourly Precipitation: 0.00 in Heat Index: 108 °F Graphs

Location: Friendswood, TX

Updated: 10:09 AM CDT

Temperature: 86.1 °F Dew Point: 77 °F Humidity: 74% Wind: NW at 1.0 mph Pressure: 29.93 in Hourly Precipitation: 0.00 in Heat Index: 97 °F Graphs

Location: Friendswood Weather, Friendswood, TX

Updated: 10:10 AM CDT

Temperature: 86.3 °F Dew Point: 80 °F Humidity: 81% Wind: West at 1.0 mph Pressure: 30.06 in Hourly Precipitation: 0.00 in Heat Index: 101 °F Graphs

Location: Brittany Lakes, League City, TX

Updated: 10:05 AM CDT

Temperature: 90.2 °F Dew Point: 81 °F Humidity: 75% Wind: SSE at 3.0 mph Pressure: 30.02 in Hourly Precipitation: 0.00 in Heat Index: 110 °F Graphs

Location: Bay Colony West, Dickinson, TX

Updated: 9:57 AM CDT

Temperature: 91.2 °F Dew Point: 81 °F Humidity: 72% Wind: West at 3.7 mph Pressure: 29.79 in Hourly Precipitation: - Heat Index: 111 °F Graphs

Location: Friendswood, TX

Updated: 10:10 AM CDT

Temperature: 85.5 °F Dew Point: 79 °F Humidity: 80% Wind: SW at 3.0 mph Pressure: 30.04 in Hourly Precipitation: 0.00 in Heat Index: 98 °F Graphs

Location: Friendswood - Forest Bend, Friendswood, TX

Updated: 10:03 AM CDT

Temperature: 87.3 °F Dew Point: 79 °F Humidity: 77% Wind: Calm Pressure: 30.04 in Hourly Precipitation: - Heat Index: 102 °F Graphs

Location: Magnolia Estates, League City, TX

Updated: 10:10 AM CDT

Temperature: 90.3 °F Dew Point: 80 °F Humidity: 72% Wind: West at 5.4 mph Pressure: 30.00 in Hourly Precipitation: 0.00 in Heat Index: 108 °F Graphs

Location: Milan Circle, Santa Fe, TX

Updated: 10:10 AM CDT

Temperature: 85.6 °F Dew Point: 80 °F Humidity: 82% Wind: South at 1.0 mph Pressure: 17.69 in Hourly Precipitation: 0.00 in Heat Index: 100 °F Graphs

Location: Challenger 7 Memorial Park, Webster, TX

Updated: 10:01 AM CDT

Temperature: 87.1 °F Dew Point: 80 °F Humidity: 79% Wind: ENE at 2.0 mph Pressure: 30.04 in Hourly Precipitation: 0.00 in Heat Index: 103 °F Graphs

Location: Satsuma Warehouse, Dickinson, TX

Updated: 10:02 AM CDT

Temperature: 91.6 °F Dew Point: 82 °F Humidity: 74% Wind: ESE at 4.2 mph Pressure: 29.78 in Hourly Precipitation: - Heat Index: 114 °F Graphs

Location: Anna Lea, Friendswood, TX

Updated: 10:09 AM CDT

Temperature: 84.7 °F Dew Point: 80 °F Humidity: 86% Wind: SW at 5.8 mph Pressure: 30.07 in Hourly Precipitation: 0.00 in Heat Index: 99 °F Graphs

Location: Pine Hollow (Pearwood), Pearland, TX

Updated: 10:10 AM CDT

Temperature: 89.8 °F Dew Point: 68 °F Humidity: 48% Wind: South at 5.4 mph Pressure: 30.11 in Hourly Precipitation: 0.00 in Heat Index: 93 °F Graphs

Location: Lawrence Place, Pearland, TX

Updated: 10:05 AM CDT

Temperature: 85.9 °F Dew Point: 80 °F Humidity: 83% Wind: Calm Pressure: 30.03 in Hourly Precipitation: 0.00 in Heat Index: 101 °F Graphs

Location: Nana's House, League City, TX

Updated: 9:58 AM CDT

Temperature: 89.1 °F Dew Point: 81 °F Humidity: 78% Wind: WNW at 4.2 mph Pressure: 30.00 in Hourly Precipitation: - Heat Index: 109 °F Graphs

Location: Longwood Park, Friendswood, TX

Updated: 10:06 AM CDT

Temperature: 86.8 °F Dew Point: 79 °F Humidity: 78% Wind: WSW at 1.3 mph Pressure: 29.70 in Hourly Precipitation: 0.00 in Heat Index: 101 °F Graphs

Location: MesoWest LVRPOL TX US UPR, Danbury, TX

Updated: 8:40 AM CDT

Temperature: 87 °F Dew Point: - Humidity: - Wind: Calm Pressure: - Hourly Precipitation: 0.00 in Heat Index: 84 °F Graphs

Location: Danbury, TX, Liverpool, TX

Updated: 10:01 AM CDT

Temperature: 86.4 °F Dew Point: 80 °F Humidity: 82% Wind: WSW at 7.0 mph Pressure: 30.05 in Hourly Precipitation: 0.00 in Heat Index: 102 °F Graphs

Location: MesoWest SHELL TX US UPR, League City, TX

Updated: 7:25 AM CDT

Temperature: 82 °F Dew Point: - Humidity: - Wind: Calm Pressure: - Hourly Precipitation: 0.00 in Heat Index: 80 °F Graphs

MSN Maps of:

Temp: Dew Point: Humidity Wind Pressure Hr Precip -

NWS Forecaster Discussion




Area forecast discussion 
National Weather Service Houston/Galveston Texas 
633 am CDT Sat Jul 26 2014 


Discussion... 
see aviation for 12z taf discussion 


&& 


Aviation... 
VFR conditions expected through the taf period. Winds will pick up 
out of the south southwest this morning as we lie on the periphery 
of a broad surface high across the northern Gulf states. Some 
potential for convection to develop offshore this afternoon but 
coverage may be limited inland due to the upper ridge centered 
off to the west. Will carry a mention of vcsh for the southern 
taf sites but will leave out for iah and points northward for now. 


38 


&& 


Previous discussion... /issued 428 am CDT Sat Jul 26 2014/ 


Discussion... 
not quite as much convection this morning as yesterday with only 
one shower forming on the land breeze in the Upper Texas coastal 
waters. Higher moisture remains just along the coast with 00z 
lch/crp soundings showing about 2 inches of precipitation water. 
Conditions become drier farther inland. Upper level 500mb analysis 
shows upper level ridge over S rockies stretching into the North Texas. 
Think subsidence should be stronger today into Sunday. There may 
be a stray or isolated shower or thunderstorm today along the sea 
breeze in the afternoon but will only go with a 10 percent chance. 
Confidence just not high enough to warrant putting in the 
forecast and do not expect much coverage in activity if any. 


Synoptic models build upper level ridge over North Texas today into 
Sunday. Ridge should support high temperatures more in the 
middle/upper 90s but do not think the century mark will be in reach. 
Heat index values however should approach 105 instead of 101/102 
like the last couple of days. 


Upper low over the Canadian prairies will drop southeast towards lake 
mich on Sunday which will help build the ridge over The Rockies. 
By Monday broad trough develops over the Great Lakes with ridge 
from West Texas into the north rockies. Look for northwest flow aloft to develop 
over the plains for the middle of the week. This will also allow 
for the ridge to stay west of the region and allow for a shortwave 
trough or two to work into the area. Looks like strongest 
shortwave moves into the area late Wednesday into Thursday. 


Upper level pattern also opens the door for a cold front to push 
into the area Monday night into Tuesday. GFS/NAM/ECMWF area all pushing 
the front into the area faster than before and stalling it on Tuesday. 
This will support scattered thunderstorm activity along with the 
potential for brief heavy rainfall. Precipitation water values of over 2 
inches remain in vicinity of the front through the middle of the week. 
Forecast will keep 20/30 probability of precipitation in place beginning Tuesday. There is 
some drier air that moves into southeast Texas behind the front so some of 
the northern counties may see a drop in dewpoints and moisture. 
The main forecast problem will be determining exactly where the 
front stalls and how much moisture will interact with it under northwest 
flow aloft. Both the European model (ecmwf)/GFS bring a shortwave trough through 
the plains into the arklatex late Wednesday into Thursday. Will keep some 30 
probability of precipitation in the forecast for Thursday and then 20 probability of precipitation for the rest of the 
week. It looks like the trough may further broaden over the miss 
River Valley with an upper ridge over the 4 corners region. 


39 


Marine... 
light to moderate south to southwest winds will persist through the 
weekend and into the first half of next week. Winds will ease 
slightly by middle week as a cold front moves into southeast Texas. 38 


&& 


Preliminary point temps/pops... 
College Station (cll) 97 76 97 76 97 / 10 10 10 10 20 
Houston (iah) 96 77 96 76 95 / 10 10 10 10 10 
Galveston (gls) 91 81 92 81 91 / 10 10 10 10 10 


&& 


Hgx watches/warnings/advisories... 
Texas...none. 
GM...none. 
&& 


$$ 


Discussion...39 
aviation/marine...38 






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