ALTON, TX 78573 Weather Forecast & Current Conditions

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MCALLEN, TX
Current Weather

10:53 PM CDT JUN 26, 2025
Clear
82°F
Feels Like: 87°F
Dewpoint: 73°F
Rel. Hum.: 74%
Visibility: 10 miles
Wind: SSE at 10 mph
Pressure: 29.99 inches
Last 72 hours

Local Area Snow Depth

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ALTON, TX 78573
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
TONIGHT
Partly cloudy. Lows in the mid 70s. Southeast winds 10 to 15 mph.
FRIDAY
Mostly sunny. Highs in the mid 90s. Southeast winds 10 to 15 mph.
FRIDAY NIGHT
Partly cloudy. Lows in the mid 70s. Southeast winds 10 to 15 mph, diminishing to around 5 mph after midnight.
SATURDAY
Partly sunny. Humid with highs in the mid 90s. Southeast winds 10 to 15 mph. Heat index values up to 105.
SATURDAY NIGHT
Mostly cloudy in the evening, then becoming partly cloudy. Humid with lows in the upper 70s. Southeast winds 10 to 15 mph with gusts up to 25 mph, diminishing to around 5 mph after midnight.
SUNDAY
Partly sunny. A chance of showers in the morning, then a chance of thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 50 percent.
SUNDAY NIGHT
Partly cloudy. Lows in the mid 70s.
MONDAY
Partly sunny. A chance of showers in the morning, then a chance of thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 50 percent.
MONDAY NIGHT
Mostly cloudy. Lows in the mid 70s.
TUESDAY
Partly sunny. A chance of thunderstorms in the afternoon. Highs in the lower 90s. Chance of precipitation 40 percent.
TUESDAY NIGHT
Mostly cloudy. Lows in the mid 70s.
WEDNESDAY THROUGH THURSDAY
Mostly cloudy. Highs in the mid 90s. Lows in the upper 70s. Heat index values up to 105.

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  8:00 AM EDT  6/26/2025
Thursday
26 JUN 2025
ALTON, TX 78573 weather forecast Day 1, 12 hours 1 PM 93° 99° Partly Cloudy 13%
RAIN
<.01 in
0% Thunder
( 19% severe)
SE   12 47% 70°
High 96° ALTON, TX 78573 weather forecast Day 1, 15 hours 4 PM 95° 101° Mostly Cloudy SE   15 43% 69°
Mostly Cloudy



ALTON, TX 78573 weather forecast Day 1, 18 hours 7 PM 91° 96° Partly Cloudy 3%

0% Thunder
( 6% severe)
SE   16 49% 69°
ALTON, TX 78573 weather forecast Day 1, 21 hours 10 PM 84° 89° Mostly Cloudy SE   12 65% 71°
Friday
27 JUN 2025
ALTON, TX 78573 weather forecast Day 2, 0 hours 1 AM 80° 85° Partly Cloudy 1%

0% Thunder
( 1% severe)
SE   8 82% 74°
Low 76° ALTON, TX 78573 weather forecast Day 2, 3 hours 4 AM 78° 80° Mostly Cloudy SE   6 88% 74°
High 97° ALTON, TX 78573 weather forecast Day 2, 6 hours 7 AM 77° 78° Partly Cloudy 3%

0% Thunder
( 6% severe)
ESE   6 90% 74°

Partly Cloudy



ALTON, TX 78573 weather forecast Day 2, 9 hours 10 AM 86° 93° Partly Cloudy SE   9 65% 73°
ALTON, TX 78573 weather forecast Day 2, 12 hours 1 PM 93° 100° Partly Cloudy 9%

0% Thunder
( 16% severe)
SE   12 49% 71°
ALTON, TX 78573 weather forecast Day 2, 15 hours 4 PM 95° 102° Partly Cloudy SE   14 45% 70°
ALTON, TX 78573 weather forecast Day 2, 18 hours 7 PM 91° 98° Partly Cloudy 1%

0% Thunder
( 6% severe)
SE   15 52% 71°
ALTON, TX 78573 weather forecast Day 2, 21 hours 10 PM 84° 90° Partly Cloudy SE   12 70% 73°
Saturday
28 JUN 2025
ALTON, TX 78573 weather forecast Day 3, 0 hours 1 AM 81° 87° Partly Cloudy 2%

0% Thunder
( 2% severe)
SE   8 82% 75°
Low 78° ALTON, TX 78573 weather forecast Day 3, 3 hours 4 AM 79° 83° Mostly Cloudy SE   6 88% 75°
High 97° ALTON, TX 78573 weather forecast Day 3, 6 hours 7 AM 79° 83° Partly Cloudy 4%

0% Thunder
( 9% severe)
SE   5 88% 75°

Mostly Cloudy



ALTON, TX 78573 weather forecast Day 3, 9 hours 10 AM 85° 93° Mostly Cloudy SE   8 70% 74°
ALTON, TX 78573 weather forecast Day 3, 15 hours 1 PM 92° 100° Mostly Cloudy 15%
RAIN
<.01 in
0% Thunder
( 27% severe)
SE   12 52% 72°
ALTON, TX 78573 weather forecast Day 3, 18 hours 4 PM 95° 104° Mostly Cloudy ESE   14 48% 72°
ALTON, TX 78573 weather forecast Day 3, 21 hours 7 PM 91° 99° Mostly Cloudy     ESE   16 54% 72°

MCALLEN, TX extended weather forecast

Sunday
29 JUN 2025
Monday
30 JUN 2025
Tuesday
1 JUL 2025
Wednesday
2 JUL 2025
Thursday
3 JUL 2025
Low 79° Low 77° Low 78° Low 79° Low 78°
High 95° High 96° High 96° High 98° High 96°
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 <!--SEARCHED_TOWN_NAME--> weather forecast Day 8
Overcast
32% Rain
Partly Cloudy
28% Rain
Partly Cloudy
28% Rain
Partly Cloudy
22% Rain
Partly Cloudy
27% Rain
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