Citizen station N5JLR-2N5JLR-2
In a volunteer observer's own ground/3.2 mi away/35 ft/20 ft above here
temp, humidity, wind, precip, pressure
Chula Vista, Texas
Community in Cameron County, TexasRed Flag Warning, in full · Every severe alert
...STRONG NORTHERLY WINDS FRIDAY NIGHT INCREASE WILDFIRE THREAT... .A strong front pushes south through Deep South Texas and the Rio Grande Valley on Friday, with a secondary surge of strong northerly winds arriving late Friday evening into late Saturday morning. Relative humidity values are expected to drop Friday afternoon with little to no recovery into Saturday morning. Any wildfire that can develop will behave dangerously with erratic growth and spread due to strong winds and lower humidity. A Red Flag Warning is in effect. The National Weather Service in Brownsville has issued a Red Flag Warning for Red Flag Warning, which is in effect from 1 PM Friday to 7 AM CDT Saturday. The Fire Weather Watch is no longer in effect. * WINDS...Northerly 15-25 mph, gusting as high as 35-55 mph. * RELATIVE HUMIDITY...As low as 25 to 40 percent. * IMPACTS...Any fire that can develop will behave dangerously with erratic growth and spread.
A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior.
77°
88°/73°
Clear·
Feels like 77°·Calm 1 mph ESE
Alert. A Red Flag Warning is in force for Chula Vista until 7 AM tomorrow. 1 more alert is in force here as well. Read the alert in full, and see what it means in the Field Book. Tomorrow is 14 degrees cooler: a high of 74° after 88° today.
Now. Chula Vista is 77° and clear at 1 AM. The dew point is 69°, so the air feels oppressive. The air is calm.
Today and tonight. It warms to about 85° by 1 PM. Tonight falls to about 62° by 7 AM, under a mostly clear sky. The sun is strong around midday: UV index 8, high. Unprotected skin can burn in under half an hour.
The week. The warmest day ahead is Wednesday, near 87°, and the coolest tomorrow, near 74°. Rain is possible Tuesday (35%). The windiest day is tomorrow, with wind to 28 mph.
The sky tonight. The sun sets at 7:01 PM. The Moon is a waxing crescent, 34% lit, and sets at 11:30 PM. The next full Moon is Sunday, Oct 25. After dark, look for Saturn, bright in the east-southeast. A planet shines with a steady light where the stars around it twinkle. The Orionids meteor shower is active, peaking around Oct 21: at its peak, up to about 20 meteors an hour can be seen from a dark site. The sky is forecast to stay clear: a good night to look up. The day is 11 hours 33 minutes long, 2 minutes shorter than yesterday.
0UV Low
32Air quality
80%Humidity
5%Cloud
Now
1:00 AM
77feels77
now, clear
Today
Oct 16
8873
35%
31mph
UV 8
Sat
Oct 17
7461
11%
28mph
UV 7
Sun
Oct 18
7861
17mph
UV 6
Mon
Oct 19
8366
11%
Tue
Oct 20
8670
35%
Wed
Oct 21
8773
26%
12mph
Thu
Oct 22
8773
10%
12mph
77°
88°73°
74°61°
78°61°
83°66°
86°70°
87°73°
87°73°
As of 1:00 AM in Chula Vista, Texas.
Air quality
The air at Chula Vista
Index 32, good, led by fine particles. Read at 12 AM from its reporting area, Brownsville-McAllen (TX), 18 miles off.
32Good
- Fine particles (PM2.5)32Good-
- Ozone29Good-
- Coarse particles (PM10)19Good-
The days ahead
Highest moderate, today, led by fine particles. Yesterday measured 38, good.
GoodModerate
- 38YesterdayOct 15
- ModerateTodayOct 16
- GoodSatOct 17
- GoodSunOct 18
Smoke, the next 43 hours
No smoke near the ground through Sat 7 PM.
Precipitation
What has fallen at Chula Vista
None in the last 24 hours; 0.03 in over the last 3 days, to Fri 12 AM. Measured by radar and rain gauges, as water.
- Last 24 hours
- 0.00in
- Last 3 days
- 0.03in
3 days agoLast 24 hours 0%
Visibility
How far you can see at Chula Vista, the next 43 hours
Visibility stays 8 miles or more through Sat 7 PM, lowest 9 miles Fri 7 AM.
F
Now, today, and the week
On the radar over Chula Vista, TexasReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture
Weather instrument stations by state
What is measuring near here
The 6 instruments nearest Chula Vista, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 2.3 miles away.
measured now4 instruments
Rank3,921of 4,689
Cameron Co Ditch 2 at FM 1847 nr Los Fresnos08474118
At a river or reservoir gauge/3.2 mi away/-/- ft from here
temp, wind, gust, humidity, pressure
Port Isabel-Cameron County AptPIL
At an airfield/8.7 mi away/20 ft/5 ft above here
temp, wind, gust, visibility, precip, pressure
WeslacoS2205
At a soil climate station/32.8 mi away/57 ft/42 ft above here
temp, humidity, soil temp, soil moisture
measured daily2 instruments
Los Fresnos 0.3 NETX-CMR-21
In a volunteer observer's own ground/2.3 mi away/36 ft/21 ft above here
precip, snowfall, snow depth
Brownsville WFOBWNT2
At a cooperative observer's station/10.9 mi away/35 ft/20 ft above here
snowfall, snow depth, precip, high, low
Station report
The weather at Port Isabel-Cameron County Apt, drawn
The nearest airport reporting now, 8.7 mi from Chula Vista, Texas. From its report of Oct 16, 2026, 12:53 AM local time: 3 of its 6 sheets.
What the snow tracker reads here
Every instrument in this state
-
Snow on the ground
Elsewhere in Texas
20 places, each with its own forecast and its own instruments.
Near Chula Vista
The nearest places, each with its own forecast and the instruments nearest it.
- Orasoncommunity, 1 mi
- Del Mar Heightscommunity, 1 mi
- Los Fresnoscity, 3 mi
- Indian Laketown, 4 mi
- Laurelescommunity, 4 mi
- Bayviewtown, 5 mi
- Olmitocommunity, 7 mi
- Cameron Parkcommunity, 7 mi
- Rancho Viejotown, 8 mi
- Green Valley Farmscommunity, 8 mi
- Laguna Vistatown, 9 mi
- La Tina Ranchcommunity, 10 mi