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- New: October-December2026 Outlook - After a brutally hot and dry September, October brings the pattern change to wetter and less hot, with above average rainfall to close out 2026; flash flooding, water supply, & hazardous marine conditions in focus
Current conditions at
McAllen, Miller International Airport (KMFE)
Lat: 26.18°NLon: 98.24°WElev: 105ft.
Fair
74°F
23°C
| Humidity | 43% |
| Wind Speed | N 7 mph |
| Barometer | 30.23 in (1023.4 mb) |
| Dewpoint | 50°F (10°C) |
| Visibility | 10.00 mi |
| Last update | 18 Oct 6:53 pm CDT |
Extended Forecast for
Mc Allen TX
Tonight
Low: 66 °F
Mostly Cloudy
Monday
High: 85 °F
Partly Sunny
Monday Night
Low: 72 °F
Slight Chance
Showers then
Mostly ClearTuesday
High: 89 °F
Mostly Sunny
Tuesday Night
Low: 72 °F
Mostly Clear
Wednesday
High: 89 °F
Mostly Sunny
then Chance
ShowersWednesday Night
Low: 71 °F
Mostly Clear
Thursday
High: 89 °F
Sunny
Thursday Night
Low: 68 °F
Clear
Detailed Forecast
Tonight
Mostly cloudy, with a low around 66. Light north wind.
Monday
Partly sunny, with a high near 85. North northeast wind 3 to 7 mph.
Monday Night
A slight chance of showers between 9pm and 10pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 72. Northeast wind around 6 mph becoming calm in the evening. Chance of precipitation is 20%.
Tuesday
Mostly sunny, with a high near 89. Northeast wind 5 to 9 mph.
Tuesday Night
Mostly clear, with a low around 72. East northeast wind 5 to 8 mph becoming calm. Winds could gust as high as 20 mph.
Wednesday
A 50 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 89. North wind 5 to 8 mph.
Wednesday Night
Mostly clear, with a low around 71. East wind 5 to 8 mph becoming calm in the evening.
Thursday
Sunny, with a high near 89. Calm wind becoming east 5 to 8 mph in the morning.
Thursday Night
Clear, with a low around 68. East wind 5 to 9 mph becoming calm in the evening. Winds could gust as high as 20 mph.
Friday
Sunny, with a high near 90. Calm wind becoming east southeast 5 to 9 mph in the afternoon.
Friday Night
Clear, with a low around 71. East wind 5 to 10 mph becoming light east southeast after midnight. Winds could gust as high as 22 mph.
Saturday
Sunny, with a high near 91.
Saturday Night
Partly cloudy, with a low around 73.
Sunday
A 20 percent chance of showers. Mostly sunny, with a high near 89.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Mc Allen TX
26.22°N 98.23°W
26.22°N 98.23°W
7:45 pm CDT Oct 18, 2026
7pm CDT Oct 18, 2026-6pm CDT Oct 25, 2026
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