ALTON, TX 78573 Weather Forecast & Current Conditions

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MCALLEN, TX
Current Weather

12:53 AM CDT APR 3, 2026
Scattered Clouds
79°F
Feels Like: 82°F
Dewpoint: 70°F
Rel. Hum.: 74%
Visibility: 10 miles
Wind: SSE at 22 mph, gusts to 35
Pressure: 29.87 inches
Last 72 hours

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ALTON, TX 78573
Weather Forecast

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Snow Depth pages
REST OF TONIGHT
Mostly cloudy. Near steady temperature in the mid 70s. Southeast winds 15 to 20 mph with gusts up to 30 mph.
FRIDAY
Mostly sunny and breezy. Highs in the lower 90s. Southeast winds 20 to 25 mph with gusts up to 35 mph.
FRIDAY NIGHT
Mostly cloudy and breezy. Lows in the lower 70s. Southeast winds 15 to 25 mph with gusts up to 35 mph.
SATURDAY
Partly sunny. A chance of showers in the afternoon. Highs in the lower 90s. Southeast winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 40 percent.
SATURDAY NIGHT
A chance of thunderstorms. Showers. Lows in the mid 60s. East winds 10 to 15 mph. Chance of rain 90 percent.
SUNDAY
Showers with a chance of thunderstorms. Much cooler with highs in the mid 70s. Chance of rain near 100 percent.
SUNDAY NIGHT
A chance of thunderstorms in the evening. Showers. Lows in the upper 50s. Chance of rain near 100 percent.
MONDAY
Showers likely, mainly in the morning. Highs in the upper 60s. Chance of rain 70 percent.
MONDAY NIGHT
Mostly cloudy. Lows in the mid 50s.
TUESDAY
Partly sunny in the morning, then becoming mostly cloudy. Highs in the mid 70s.
TUESDAY NIGHT
Mostly cloudy. Lows in the upper 50s.
WEDNESDAY
Partly sunny. Highs around 80.
WEDNESDAY NIGHT
Mostly cloudy. Lows in the mid 60s.

Visible Weather Satellite
ALTON, TX 78573
Infrared Weather Satellite
ALTON, TX 78573
NEXRAD Weather Radar
ALTON, TX 78573

MCALLEN, TX 3 hourly weather forecast

weather forecast created  7:00 PM EST  4/ 2/2026
Friday
3 APR 2026
ALTON, TX 78573 weather forecast Day 1, 0 hours 12 AM 77° 79° Mostly Cloudy 3%

0% Thunder
( 2% severe)
SE   18 76% 69°
Low 75° ALTON, TX 78573 weather forecast Day 1, 3 hours 3 AM 77° 79° Mostly Cloudy SSE   17 76% 69°
High 94° ALTON, TX 78573 weather forecast Day 1, 6 hours 6 AM 76° 77° Mostly Cloudy 1%

0% Thunder
( 2% severe)
SE   17 79% 69°

Partly Cloudy




Windy
ALTON, TX 78573 weather forecast Day 1, 9 hours 9 AM 81° 84° Partly Cloudy SSE   20 67% 69°
ALTON, TX 78573 weather forecast Day 1, 12 hours 12 PM 90° 92° Partly Cloudy 2%

0% Thunder
( 4% severe)
SE   23 45% 66°
ALTON, TX 78573 weather forecast Day 1, 15 hours 3 PM 91° 94° Partly Cloudy SE   24 44% 66°
ALTON, TX 78573 weather forecast Day 1, 18 hours 6 PM 85° 88° Mostly Cloudy 16%
RAIN
<.01 in
0% Thunder
( 8% severe)
SE   23 55% 67°
ALTON, TX 78573 weather forecast Day 1, 21 hours 9 PM 79° 82° Mostly Cloudy SE   20 74% 70°
Saturday
4 APR 2026
ALTON, TX 78573 weather forecast Day 2, 0 hours 12 AM 78° 80° Mostly Cloudy 17%
RAIN
<.01 in
0% Thunder
( 11% severe)
SE   18 76% 70°
Low 75° ALTON, TX 78573 weather forecast Day 2, 3 hours 3 AM 77° 79° Mostly Cloudy SE   16 79% 70°
High 94° ALTON, TX 78573 weather forecast Day 2, 6 hours 6 AM 75° 75° Mostly Cloudy 8%

0% Thunder
( 4% severe)
SE   14 84% 70°

Mostly Cloudy

Chance of Rain

ALTON, TX 78573 weather forecast Day 2, 9 hours 9 AM 80° 83° Mostly Cloudy SE   15 72% 70°
ALTON, TX 78573 weather forecast Day 2, 12 hours 12 PM 88° 91° Mostly Cloudy 25%
RAIN
.01–.1 in
0% Thunder
( 10% severe)
SE   15 50% 67°
ALTON, TX 78573 weather forecast Day 2, 15 hours 3 PM 92° 94° Mostly Cloudy SE   15 41% 65°
ALTON, TX 78573 weather forecast Day 2, 18 hours 6 PM 88° 90° Mostly Cloudy 61%
RAIN
***
0% Thunder
( 23% severe)
ESE   15 48% 66°
ALTON, TX 78573 weather forecast Day 2, 21 hours 9 PM 79° 82° Mostly Cloudy ESE   12 72% 69°

MCALLEN, TX extended weather forecast

Sunday
5 APR 2026
Monday
6 APR 2026
Tuesday
7 APR 2026
Wednesday
8 APR 2026
Thursday
9 APR 2026
Low 69° Low 59° Low 58° Low 59° Low 66°
High 76° High 68° High 71° High 76° High 84°
ALTON, TX 78573 weather forecast Day 3 ALTON, TX 78573 weather forecast Day 4 ALTON, TX 78573 weather forecast Day 5 ALTON, TX 78573 weather forecast Day 6 ALTON, TX 78573 weather forecast Day 7
Overcast
72% Rain
Overcast
83% Rain
Overcast
77% Rain
Mostly Cloudy
41% Rain
Overcast
26% Rain
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