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Hazardous Weather Conditions
Current conditions at
McAllen, Miller International Airport (KMFE)
Lat: 26.18°NLon: 98.24°WElev: 105ft.
Fair
99°F
37°C
| Humidity | 38% |
| Wind Speed | Calm |
| Barometer | 29.83 in (1010.0 mb) |
| Dewpoint | 69°F (21°C) |
| Visibility | 10.00 mi |
| Heat Index | 106°F (41°C) |
| Last update | 21 Sep 2:53 pm CDT |
Extended Forecast for
Alton TX
This Afternoon

High: 100 °F
Slight Chance
T-stormsTonight

Low: 78 °F
Mostly Clear
Tuesday
High: 98 °F
Sunny then
Chance
T-stormsTuesday Night

Low: 78 °F
Mostly Clear
Wednesday
High: 97 °F
Chance
Showers then
Chance
T-stormsWednesday Night

Low: 78 °F
Mostly Clear
Thursday
High: 98 °F
Chance
Showers then
Chance
T-stormsThursday Night
Low: 78 °F
Partly Cloudy
then Slight
Chance
ShowersFriday
High: 97 °F
Slight Chance
Showers then
Chance
T-storms
Detailed Forecast
This Afternoon
A 20 percent chance of showers and thunderstorms after 4pm. Mostly sunny and hot, with a high near 100. Heat index values as high as 109. East wind 7 to 10 mph.
Tonight
Mostly clear, with a low around 78. East wind 8 to 13 mph becoming light east southeast after midnight. Winds could gust as high as 23 mph.
Tuesday
A 40 percent chance of showers and thunderstorms, mainly between 1pm and 5pm. Sunny, with a high near 98. Heat index values as high as 108. Light east northeast wind becoming east southeast 6 to 11 mph in the afternoon. Winds could gust as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 78. East wind 8 to 13 mph becoming light and variable in the evening. Winds could gust as high as 22 mph.
Wednesday
A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 97. Light and variable wind becoming east 6 to 11 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 50%.
Wednesday Night
Mostly clear, with a low around 78. East wind 6 to 11 mph becoming light in the evening. Winds could gust as high as 21 mph.
Thursday
A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 98. Light north northeast wind becoming east 6 to 11 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 50%.
Thursday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 78. East wind 5 to 10 mph becoming light east northeast in the evening. Winds could gust as high as 20 mph.
Friday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 97. Light north northeast wind becoming east 5 to 10 mph in the afternoon. Chance of precipitation is 40%.
Friday Night
Mostly clear, with a low around 77. East wind 5 to 10 mph becoming light and variable in the evening. Winds could gust as high as 20 mph.
Saturday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 98. Calm wind becoming east 5 to 8 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 78.
Sunday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 98.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Alton TX
26.27°N 98.29°W
26.27°N 98.29°W
3:18 pm CDT Sep 21, 2026
3pm CDT Sep 21, 2026-6pm CDT Sep 27, 2026



