Rio Grande City, TX Weather Forecast & Alerts

Current conditions, 5-day forecast, and active NWS weather alerts for Rio Grande City, TX.

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Current Conditions — Rio Grande City, TX

ZAPATA (KAPY)

Cloudy

79.2 F
Humidity:83%
Wind Speed: 9.2 G 17.2 mph
Barometer:29.75 in
Dewpoint:73.4 F
Visibility:7.00 mi
Precip:--
Heat Index:82.8 F
Wind Chill:NA
Apr 27 2026, 02:55 AM CDT
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5-Day Forecast — Rio Grande City, TX

Monday

High 100 °F
Mostly Cloudy
Monday
Night
Low 77 °F
Partly Cloudy
Tuesday

High 104 °F
Partly Sunny
Tuesday
Night
Low 75 °F
Mostly Cloudy
Wednesday

High 102 °F
Partly Sunny
Wednesday
Night
Low 75 °F
Partly Cloudy
Thursday

High 98 °F
Mostly Cloudy
Thursday
Night
Low 75 °F
Mostly Cloudy
Friday

High 96 °F
Partly Sunny

Detailed Forecast — Rio Grande City, TX

Monday
Mostly Cloudy. High near 100°F. Wind 6 to 10 mph, with gusts as high as 20 mph.
Monday Night
Partly Cloudy. Low around 77°F. Wind 8 to 10 mph, with gusts as high as 22 mph.
Tuesday
Partly Sunny. High near 104°F. Wind 8 to 13 mph, with gusts as high as 26 mph.
Tuesday Night
Mostly Cloudy. Low around 75°F. Wind 9 to 12 mph, with gusts as high as 26 mph.
Wednesday
Partly Sunny. High near 102°F. Wind 8 to 12 mph, with gusts as high as 22 mph.
Wednesday Night
Partly Cloudy. Low around 75°F. Wind around 7 mph, with gusts as high as 17 mph.
Thursday
Mostly Cloudy. High near 98°F. Wind 9 to 14 mph, with gusts as high as 26 mph.
Thursday Night
Mostly Cloudy. Low around 75°F. Wind around 10 mph, with gusts as high as 23 mph.
Friday
Partly Sunny. High near 96°F. Wind around 10 mph, with gusts as high as 21 mph.
Friday Night
Chance of Thunderstorms. Low around 68°F. Wind around 7 mph, with gusts as high as 18 mph.
Saturday
Mostly Cloudy. High near 84°F. Wind 7 to 13 mph, with gusts as high as 24 mph.
Saturday Night
Partly Cloudy. Low around 64°F. Wind around 3 mph, with gusts as high as 12 mph.
Sunday
Partly Sunny. High near 84°F. Wind 6 to 7 mph, with gusts as high as 14 mph.
TX Radar
Current Radar • TX
Day 1 Outlook • April 27, 2026

Observation History — Rio Grande City, TX

Time Wind
(mph)		 Vis
(mi)		 Weather Precip (in) Temperature (F) Relative
Humidity		 Wind
Chill
(F)		 Heat
Index
(F)		 Pressure
Air Dwpt altimeter
(in)		 sea level
(mb)
02:55 AM CDT 9.2 G 17.2 7.00 Cloudy -- 79.2 73.4 83% NA 82.8 29.75 1007.5
02:35 AM CDT 9.2 7.00 Cloudy -- 78.8 73.4 84% NA 82.0 29.75 1007.5
02:15 AM CDT SE 6.9 7.00 Cloudy -- 78.4 73.8 86% NA 81.3 29.75 1007.5
01:55 AM CDT SE 8.1 7.00 Cloudy -- 78.3 74.3 88% NA 79.9 29.76 1007.8
01:35 AM CDT SE 8.1 7.00 Cloudy -- 78.4 74.3 87% NA 81.5 29.77 1008.1
01:15 AM CDT SE 8.1 7.00 Cloudy -- 78.4 74.5 88% NA 81.5 29.77 1008.1
12:55 AM CDT 8.1 5.00 Fog/Mist -- 78.3 74.7 89% NA 79.9 29.77 1008.1
12:35 AM CDT 9.2 7.00 Mostly Cloudy -- 78.8 74.3 86% NA 82.2 29.77 1008.1
12:15 AM CDT 8.1 7.00 Partly Cloudy -- 79.3 74.3 85% NA 83.3 29.78 1008.5
11:55 PM CDT 9.2 7.00 Clear -- 79.9 74.3 83% NA 84.4 29.77 1008.1
11:35 PM CDT SE 8.1 G 17.2 7.00 Clear -- 80.6 74.3 81% NA 85.8 29.77 1008.1
11:15 PM CDT 12.8 G 16.1 7.00 Clear -- 81.1 73.9 79% NA 86.5 29.77 1008.1
10:55 PM CDT 8.1 7.00 Clear -- 81.9 73.6 76% NA 87.4 29.77 1008.1
10:35 PM CDT 9.2 7.00 Clear -- 82.4 73.6 75% NA 88.3 29.77 1008.1
10:15 PM CDT 8.1 7.00 Clear -- 82.8 73.6 74% NA 88.9 29.76 1007.8
09:55 PM CDT 9.2 10.00 Clear -- 83.3 73.6 73% NA 89.8 29.76 1007.8
09:35 PM CDT SE 9.2 G 16.1 10.00 Clear -- 84.4 73.0 69% NA 90.9 29.74 1007.1
09:15 PM CDT 10.00 Clear -- 85.3 72.7 66% NA 91.9 29.74 1007.1
08:55 PM CDT 10.3 10.00 Clear -- 86.0 72.7 65% NA 92.8 29.73 1006.8
08:35 PM CDT 9.2 10.00 NULL -- 86.7 72.5 63% NA 93.6 29.71 1006.1
08:15 PM CDT 9.2 7.00 Clear -- 87.3 71.6 60% NA 93.6 29.71 1006.1
07:55 PM CDT 8.1 7.00 Clear -- 88.0 71.4 58% NA 94.3 29.70 1005.8
07:35 PM CDT 12.8 7.00 Clear -- 89.1 71.6 57% NA 95.7 29.68 1005.1
07:15 PM CDT 9.2 G 16.1 7.00 Clear -- 90.0 72.0 56% NA 97.2 29.67 1004.7

Regional Weather Observation

ZAPATA (KAPY)

Cloudy
79.2 F

MCALLEN (KMFE)

Cloudy
78.8 F

EDINBURG INTL (KEBG)

Fog/Mist
77.0 F

HEBBRONVILLE (KHBV)

Clear
76.3 F

FALFURRIAS (KBKS)

NULL
NULL F

LAREDO (KLRD)

Cloudy
78.8 F
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