Alvin, Texas Weather Conditions

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Current Conditions

  • 81°
  • Clear
  • Wind: East 5 mph
  • Humidity: 91%
  • Visibility: 10.0 miles
  • Dew Point: 78°
  • Pressure: 30.08 in. +
  • Heat Index: 89

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Next 12 Hours

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1  pm
Chance of a Thunderstorm
Chance of T-storms
Chance of a Thunderstorm
Chance of T-storms
Thunderstorm
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79°
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82°
88°
Forecast data from the National Digital Forecast Database.

5 Day Forecast

  • Tuesday
  • Thunderstorm
  • High: 88 °
  • Low: 75 °
  • T-Storms
  • Wednesday
  • Chance of a Thunderstorm
  • High: 88 °
  • Low: 75 °
  • Chance of T-Storms
  • Thursday
  • Chance of a Thunderstorm
  • High: 88 °
  • Low: 73 °
  • Chance of T-Storms
  • Friday
  • Chance of a Thunderstorm
  • High: 86 °
  • Low: 73 °
  • Chance of T-Storms
  • Saturday
  • Chance of a Thunderstorm
  • High: 86 °
  • Low: 75 °
  • Chance of T-Storms

Forecast for Alvin, Texas

Updated: 10:00 PM CDT on September 15, 2014

  • Monday

    Clear with a chance of a thunderstorm and a chance of rain in the morning, then partly cloudy with a chance of a thunderstorm and a chance of rain. High of 90F. Winds from the ENE at 5 to 10 mph. Chance of rain 30%.

  • Monday Night

    Overcast with a chance of a thunderstorm and a chance of rain. Low of 75F. Winds from the SSE at 5 to 10 mph. Chance of rain 30%.

  • Tuesday

    Clear with thunderstorms and rain showers in the morning, then mostly cloudy with thunderstorms and rain showers. High of 88F with a heat index of 95F. Winds from the ESE at 5 to 10 mph. Chance of rain 60%.

  • Tuesday Night

    Overcast with a chance of a thunderstorm and a chance of rain. Low of 75F. Winds less than 5 mph. Chance of rain 40%.

  • Wednesday

    Partly cloudy with a chance of a thunderstorm and a chance of rain in the morning, then overcast with a chance of a thunderstorm and a chance of rain. High of 88F with a heat index of 93F. Winds less than 5 mph. Chance of rain 50%.

  • Wednesday Night

    Overcast with a chance of a thunderstorm and a chance of rain. Low of 75F. Winds from the SE at 5 to 10 mph. Chance of rain 40%.

  • Thursday

    Overcast with a chance of a thunderstorm and a chance of rain. High of 88F. Winds from the NNW at 5 to 10 mph shifting to the ESE in the afternoon. Chance of rain 50%.

  • Thursday Night

    Overcast with a chance of a thunderstorm and a chance of rain, then a chance of a thunderstorm and rain after midnight. Low of 73F. Winds from the East at 5 to 10 mph. Chance of rain 40% with rainfall amounts near 0.3 in. possible.

  • Friday

    Overcast with a chance of rain, then a chance of a thunderstorm and rain in the afternoon. High of 86F. Winds from the ENE at 5 to 10 mph. Chance of rain 60%.

  • Friday Night

    Overcast with a chance of a thunderstorm and rain in the evening, then partly cloudy. Low of 73F. Winds from the East at 5 to 10 mph.

  • Saturday

    Partly cloudy with a chance of a thunderstorm and rain in the afternoon. High of 86F with a heat index of 91F. Winds less than 5 mph. Chance of rain 30%.

  • Saturday Night

    Partly cloudy. Low of 75F. Winds less than 5 mph.

  • Sunday

    Mostly cloudy with a chance of a thunderstorm. High of 86F with a heat index of 91F. Winds from the North at 5 to 10 mph shifting to the ENE in the afternoon. 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 90F. Winds from the East at 5 to 10 mph. Chance of rain 60% with rainfall amounts near 0.5 in. possible.

  • Monday Night

    Mostly cloudy with a chance of a thunderstorm. Low of 72F. Winds from the East at 5 to 10 mph. Chance of rain 60% with rainfall amounts near 0.4 in. possible.

  • Tuesday

    Overcast with a chance of a thunderstorm. High of 84F. Winds from the NE at 5 to 10 mph. Chance of rain 30%.

  • Tuesday Night

    Mostly cloudy with a chance of a thunderstorm. Fog overnight. Low of 70F. Winds from the NE at 5 to 10 mph. Chance of rain 50% with rainfall amounts near 0.3 in. possible.

  • Wednesday

    Overcast with a chance of a thunderstorm. High of 82F. Winds from the NNE at 5 to 10 mph. Chance of rain 50%.

  • Wednesday Night

    Mostly cloudy with a chance of a thunderstorm. Low of 68F. Winds from the NNE at 5 to 10 mph. Chance of rain 40%.

  • Thursday

    Partly cloudy. High of 82F. Winds from the NNE at 5 to 10 mph.

  • Thursday Night

    Partly cloudy. Low of 68F. Winds from the NNE at 5 to 10 mph.

  • Friday

    Clear. High of 82F. Winds from the North at 5 to 10 mph.

  • Friday Night

    Clear. Low of 68F. Winds less than 5 mph.

Personal Weather Stations

Personal Weather Stations [Add your weather station!]

Location: CoffeeMuses, Alvin, TX

Updated: 11:43 PM CDT

Temperature: 78.4 °F Dew Point: 78 °F Humidity: 98% Wind: Calm Pressure: 29.87 in Hourly Precipitation: - Heat Index: 82 °F Graphs

Location: Texas Gulf flat lands., Alvin, TX

Updated: 11:43 PM CDT

Temperature: 79.0 °F Dew Point: 77 °F Humidity: 93% Wind: Calm Pressure: 29.73 in Hourly Precipitation: - Heat Index: 83 °F Graphs

Location: Bobby Wright, Alvin, TX

Updated: 11:53 PM CDT

Temperature: 79.9 °F Dew Point: 73 °F Humidity: 79% Wind: Calm Pressure: 30.27 in Hourly Precipitation: 0.00 in Heat Index: 84 °F Graphs

Location: RogThomTX, Alvin, TX

Updated: 11:53 PM CDT

Temperature: 79.9 °F Dew Point: 78 °F Humidity: 93% Wind: Calm Pressure: 30.15 in Hourly Precipitation: 0.00 in Heat Index: 86 °F Graphs

Location: Stevenwood, Alvin, TX

Updated: 11:47 PM CDT

Temperature: 78.5 °F Dew Point: 77 °F Humidity: 94% Wind: Calm Pressure: 30.05 in Hourly Precipitation: 0.00 in Heat Index: 82 °F Graphs

Location: Amateur Radio Station K5UY, ALGOA, TX

Updated: 11:53 PM CDT

Temperature: 78.3 °F Dew Point: 78 °F Humidity: 98% Wind: Calm Pressure: 30.04 in Hourly Precipitation: 0.00 in Heat Index: 81 °F Graphs

Location: KF5UKE - Country Acres, Alvin, TX

Updated: 11:53 PM CDT

Temperature: 78.0 °F Dew Point: 77 °F Humidity: 96% Wind: Calm Pressure: 30.07 in Hourly Precipitation: 0.00 in Heat Index: 81 °F Graphs

Location: West Road, Alvin, TX

Updated: 11:53 PM CDT

Temperature: 78.2 °F Dew Point: -23 °F Humidity: - Wind: South at 1.9 mph Pressure: 30.13 in Hourly Precipitation: 0.00 in Heat Index: 76 °F Graphs

Location: APRSWXNET Friendswood TX US, Friendswood, TX

Updated: 10:56 PM CDT

Temperature: 82 °F Dew Point: 80 °F Humidity: 93% Wind: Calm Pressure: 30.05 in Hourly Precipitation: 0.00 in Heat Index: 92 °F Graphs

Location: WE5ST - Grid: EL29ih, Alvin, TX

Updated: 11:53 PM CDT

Temperature: 77.6 °F Dew Point: 77 °F Humidity: 98% Wind: Calm Pressure: 30.05 in Hourly Precipitation: 0.00 in Heat Index: 79 °F Graphs

Location: Sun Meadow, Friendswood, TX

Updated: 11:51 PM CDT

Temperature: 79.1 °F Dew Point: 77 °F Humidity: 94% Wind: Calm Pressure: 30.05 in Hourly Precipitation: 0.00 in Heat Index: 84 °F Graphs

Location: Mustang Bayou C619, Alvin, TX

Updated: 11:51 PM CDT

Temperature: 78.3 °F Dew Point: - Humidity: - Wind: North at - Pressure: - Hourly Precipitation: - Heat Index: - Graphs

Location: Westover Park - Torpey, League City, TX

Updated: 11:53 PM CDT

Temperature: 79.9 °F Dew Point: 75 °F Humidity: 86% Wind: East at 2.2 mph Pressure: 30.08 in Hourly Precipitation: 0.00 in Heat Index: 85 °F Graphs

Location: Mosslights.com, League City, TX

Updated: 11:53 PM CDT

Temperature: 78.3 °F Dew Point: 76 °F Humidity: 93% Wind: SE at 3.1 mph Pressure: 30.08 in Hourly Precipitation: 0.00 in Heat Index: 81 °F Graphs

Location: Shepard Park Plaza, Houston, TX

Updated: 11:48 PM CDT

Temperature: 80.5 °F Dew Point: 74 °F Humidity: 80% Wind: Calm Pressure: 30.04 in Hourly Precipitation: - Heat Index: 85 °F Graphs

Location: Westover Park, League City, TX

Updated: 11:53 PM CDT

Temperature: 82.0 °F Dew Point: 76 °F Humidity: 83% Wind: Calm Pressure: 30.02 in Hourly Precipitation: 0.00 in Heat Index: 90 °F Graphs

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

Updated: 10:00 PM CDT

Temperature: 80.5 °F Dew Point: 79 °F Humidity: 95% Wind: Calm Pressure: 30.05 in Hourly Precipitation: 0.00 in Heat Index: 88 °F Graphs

Location: Santa Fe, TX

Updated: 11:53 PM CDT

Temperature: 78.9 °F Dew Point: 79 °F Humidity: 100% Wind: Calm Pressure: 30.02 in Hourly Precipitation: 0.00 in Heat Index: 83 °F Graphs

Location: Glenshannon, Friendswood, TX

Updated: 11:53 PM CDT

Temperature: 79.5 °F Dew Point: 77 °F Humidity: 93% Wind: Calm Pressure: 30.02 in Hourly Precipitation: 0.00 in Heat Index: 85 °F Graphs

Location: Prairie Estates, Dickinson, TX

Updated: 11:50 PM CDT

Temperature: 79.2 °F Dew Point: 78 °F Humidity: 96% Wind: Calm Pressure: 30.03 in Hourly Precipitation: 0.00 in Heat Index: 84 °F Graphs

Location: Rustic Oaks, League City, TX

Updated: 10:53 PM MDT

Temperature: 81.4 °F Dew Point: 80 °F Humidity: 95% Wind: Calm Pressure: 30.05 in Hourly Precipitation: 0.00 in Heat Index: 91 °F Graphs

Location: Friendswood, Friendswood, TX

Updated: 11:53 PM CDT

Temperature: 79.4 °F Dew Point: 77 °F Humidity: 91% Wind: Calm Pressure: 29.92 in Hourly Precipitation: 0.00 in Heat Index: 84 °F Graphs

Location: Friendswood Weather, Friendswood, TX

Updated: 11:53 PM CDT

Temperature: 80.7 °F Dew Point: 79 °F Humidity: 95% Wind: Calm Pressure: 30.05 in Hourly Precipitation: 0.00 in Heat Index: 89 °F Graphs

Location: Brittany Lakes, League City, TX

Updated: 11:39 PM CDT

Temperature: 80.6 °F Dew Point: 79 °F Humidity: 95% Wind: Calm Pressure: 30.02 in Hourly Precipitation: 0.00 in Heat Index: 88 °F Graphs

Location: K5ZXZ Santa Fe, TX

Updated: 11:53 PM CDT

Temperature: 78.4 °F Dew Point: 75 °F Humidity: 90% Wind: Calm Pressure: 30.00 in Hourly Precipitation: 0.00 in Heat Index: 81 °F Graphs

Location: Bay Colony West, Dickinson, TX

Updated: 11:42 PM CDT

Temperature: 79.5 °F Dew Point: 77 °F Humidity: 92% Wind: Calm Pressure: 29.79 in Hourly Precipitation: - Heat Index: 85 °F Graphs

Location: Friendswood, TX

Updated: 11:53 PM CDT

Temperature: 79.7 °F Dew Point: 77 °F Humidity: 92% Wind: Calm Pressure: 30.03 in Hourly Precipitation: 0.00 in Heat Index: 85 °F Graphs

Location: Brittany Lakes, League City, TX

Updated: 11:49 PM CDT

Temperature: 78.8 °F Dew Point: 72 °F Humidity: 80% Wind: Calm Pressure: 30.31 in Hourly Precipitation: 0.00 in Heat Index: 82 °F Graphs

Location: Friendswood - Forest Bend, Friendswood, TX

Updated: 11:40 PM CDT

Temperature: 80.5 °F Dew Point: 78 °F Humidity: 91% Wind: Calm Pressure: 30.04 in Hourly Precipitation: - Heat Index: 87 °F Graphs

Location: Magnolia Estates, League City, TX

Updated: 11:53 PM CDT

Temperature: 79.0 °F Dew Point: 79 °F Humidity: 100% Wind: Calm Pressure: 30.01 in Hourly Precipitation: 0.00 in Heat Index: 84 °F Graphs

Location: Milan Circle, Santa Fe, TX

Updated: 11:53 PM CDT

Temperature: 78.7 °F Dew Point: 75 °F Humidity: 88% Wind: Calm Pressure: 16.94 in Hourly Precipitation: 0.00 in Heat Index: 82 °F Graphs

Location: Satsuma Warehouse, Dickinson, TX

Updated: 11:50 PM CDT

Temperature: 79.9 °F Dew Point: 77 °F Humidity: 92% Wind: East at 1.7 mph Pressure: 29.77 in Hourly Precipitation: - Heat Index: 86 °F Graphs

Location: Lawrence Place, Pearland, TX

Updated: 11:50 PM CDT

Temperature: 79.8 °F Dew Point: 77 °F Humidity: 92% Wind: Calm Pressure: 30.02 in Hourly Precipitation: 0.00 in Heat Index: 85 °F Graphs

Location: Pearland - Briar Glenn, Pearland, TX

Updated: 11:41 PM CDT

Temperature: 82.6 °F Dew Point: 79 °F Humidity: 90% Wind: Calm Pressure: 30.00 in Hourly Precipitation: - Heat Index: 93 °F Graphs

Location: Heritage Park, Webster, TX

Updated: 11:53 PM CDT

Temperature: 76.4 °F Dew Point: 62 °F Humidity: 62% Wind: Calm Pressure: 29.94 in Hourly Precipitation: - Heat Index: 78 °F Graphs

Location: Nana's House, League City, TX

Updated: 11:41 PM CDT

Temperature: 79.5 °F Dew Point: 78 °F Humidity: 94% Wind: Calm Pressure: 29.99 in Hourly Precipitation: - Heat Index: 85 °F Graphs

Location: Longwood Park, Friendswood, TX

Updated: 11:53 PM CDT

Temperature: 79.6 °F Dew Point: 75 °F Humidity: 87% Wind: Calm Pressure: 29.69 in Hourly Precipitation: 0.00 in Heat Index: 84 °F Graphs

Location: MesoWest LVRPOL TX US UPR, Danbury, TX

Updated: 10:45 PM CDT

Temperature: 81 °F Dew Point: - Humidity: - Wind: Calm Pressure: - Hourly Precipitation: 0.00 in Heat Index: 79 °F Graphs

Location: Danbury, TX, Liverpool, TX

Updated: 11:00 PM CDT

Temperature: 80.5 °F Dew Point: 78 °F Humidity: 93% Wind: NE at 3.0 mph Pressure: 30.05 in Hourly Precipitation: 0.00 in Heat Index: 88 °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 
831 PM CDT Monday Sep 15 2014 


Discussion... 
pretty complex surface map this evening. A 7 PM analysis showed a 
warm front located from near iah unto SW la...a surface ridge over 
position to cll to gyb...and a weakening tropical wave over the Gulf 
waters about 20 nm off the coast. A surface cold front was also 
moving slowly across The Pan handle. 


Showers associated with the warm front have dissipated as of 830 
PM. Do expect isolated to scattered showers and thunderstorms to 
work their way onshore during the overnight period as the surface 
trough continues to move toward the coast. Isolated showers along 
and ahead of the warm front should continue as well given the 
moisture advection pattern. 


The current forecast is on track and no changes are planned at 
this time. 


40 


&& 


Previous discussion... /issued 642 PM CDT Monday Sep 15 2014/ 


Discussion... 
00z taf discussion in aviation... 


Aviation... 
surface analysis over the Gulf reflects tropical wave off the Lower 
Texas coast with trough axis extending towards the Upper Texas coast. 
Deep moisture should continue to spread inland tonight into 
tomorrow morning. Expect VFR ceilings overnight but high clouds may 
limit some fog development. Lone exception will be kcxo where some 
limited visibility may be possible. Main concern will be convection 
developing in the morning. Leaned more on NAM/WRF/hrrr to get 
timing of vcsh and thunderstorms in the vicinity. Looks like most of the activity will be 
south of ksgr/khou in the morning and then possibly develop 
farther inland during the afternoon. Look for convection to 
dissipate quickly in the evening hours tomorrow. 


39 


Previous discussion... /issued 325 PM CDT Monday Sep 15 2014/ 


Discussion... 
radar at 3 PM has scattered to numerous showers and thunderstorms off 
the coast (associated with an easterly wave) making gradual westward 
progress...and areas of light rain and showers (associated with a middle/ 
upper level disturbance) moving eastward across our far northern counties. 
The combination of increasing moisture levels off the Gulf (precipitable 
water values rising to >2 inches) and weak middle/upper level disturbances 
partly associated with the Baja California area Hurricane Odile will result in 
increasing rain chances across southeast Texas over the next several 
days. High end chance to likely probability of precipitation will be in the forecast for the 
area Tuesday through Thursday...and think almost everyone will see 
some rain at least once over the next three days. Any training that 
develops with this activity could easily lead to some 2 to 4 inch 
totals in the next 72 hours. Will continue to indicate slightly lower 
rain chances at the end of the week and over the weekend (better chances 
central and coast counties and lower chances up north). There are still 
timing differences showing up in the models for next week's cold front. 
Our area should see increasing rain chances associated with this potentially 
slow moving frontal boundary some time during the first half of next 
week. 42 


Marine... 
showers and thunderstorms have increased in coverage over the waters 
this afternoon thanks to a tropical wave in the Bay of Campeche. 
Easterly winds over the waters should remain below scec criteria and 
start to turn southeasterly tomorrow. Rain chances will continue 
through tomorrow thanks to the tropical wave which will allow winds 
and seas to be higher in stronger storms. 23 


Previous discussion... /issued 1202 PM CDT Monday Sep 15 2014/ 


Discussion... 
see aviation for 18z taf issuance. 


Aviation... 
mostly VFR conditions expected today with some transient MVFR 
conditions possible. Clouds heights should be mostly above 3k by 
this afternoon. Tomorrow morning guidance is showing some 
reductions in visibilities thanks to patchy fog but given the 
cirrus overhead have leaned away from this solution. Tomorrow rain 
chances will be on the rise as a weak tropical wave moves inland 
south of Brownsville. For our area the wave will advect moist air 
into southeast Texas bringing back the chance of rain. Forecast 
soundings reflect this with above average moisture values and k 
indices in the middle 30s. The best upper level support appears to 
be to the southwest closer to the wave though. For now have added 
mention of rain to taf sites kiah and southwards. 23 


&& 


Preliminary point temps/pops... 
College Station (cll) 74 87 74 87 75 / 20 40 30 40 30 
Houston (iah) 75 87 75 87 75 / 20 50 30 50 30 
Galveston (gls) 79 87 79 87 80 / 30 60 40 50 40 


&& 


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


$$ 


Discussion...40 
aviation/marine...39 






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