News Headlines
- New: Preliminary Damage Survey Of Harlingen To Laureles Texas Microburst Event On May 9, 2026
- We're Hiring! If You're a Budding Meteorologist Looking for a Fulfilling Career, Apply Today to Join Our Team
- New: The 2026 Rio Grande Valley/Deep South Texas Hurricane Guide is Here!
- Nuevo: Guia de Huracanes 2026 del Valle del Rio Grande/Extremo Sur de Texas es Aqui!
- New: May-July 2026 Outlook: Hotter than normal temperatures are favored to continue into the upcoming summer season; precipitation remains a toss-up; drought, heat risk increases, occasional heavy rain/flooding, & water supply issues remain in focus
Hazardous Weather Conditions
Current conditions at
Mid Valley Airport (KTXW)
Lat: 26.18°NLon: 97.97°WElev: 70ft.N/A
| Humidity | NA |
| Wind Speed | NA |
| Barometer | NA |
| Dewpoint | N/A |
| Visibility | NA |
| Last update | *** Not a current observation *** |
Extended Forecast for
Donna TX
Flood Watch until May 25, 07:00am
NOW until 7:00am Mon

Flood Watch
Today

High: 87 °F
Chance
T-stormsTonight

Low: 74 °F
Chance
T-stormsFriday
High: 92 °F
Partly Sunny
then Slight
Chance
T-stormsFriday Night
Low: 76 °F
Slight Chance
T-storms then
Chance
ShowersSaturday
High: 91 °F
Chance
Showers then
Showers
LikelySaturday Night
Low: 75 °F
T-storms
Likely then
Showers
LikelySunday
High: 88 °F
Chance
Showers then
Showers
LikelySunday Night

Low: 73 °F
Chance
T-storms
Detailed Forecast
Today
A 50 percent chance of showers and thunderstorms before 4pm. Partly sunny, with a high near 87. South wind 6 to 8 mph.
Tonight
A chance of showers and thunderstorms before 3am, then a slight chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 74. South southeast wind 6 to 9 mph becoming north after midnight. Chance of precipitation is 30%.
Friday
A slight chance of showers and thunderstorms between 3pm and 4pm. Mostly cloudy, then gradually becoming sunny, with a high near 92. South southeast wind 5 to 10 mph. Chance of precipitation is 20%.
Friday Night
A slight chance of showers and thunderstorms, then a chance of showers after 10pm. Increasing clouds, with a low around 76. Southeast wind 8 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Saturday
A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 91. South southeast wind 6 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Saturday Night
Showers and thunderstorms likely before 10pm, then showers likely and possibly a thunderstorm after 10pm. Mostly cloudy, with a low around 75. East wind 5 to 9 mph becoming light southeast after midnight. Chance of precipitation is 70%.
Sunday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 88. South southeast wind 3 to 8 mph. Chance of precipitation is 60%.
Sunday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73. East wind 5 to 7 mph becoming calm in the evening.
Memorial Day
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 88. Calm wind becoming east 5 to 7 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 74. East wind 5 to 8 mph.
Tuesday
Partly sunny, with a high near 90. Southeast wind 5 to 11 mph, with gusts as high as 21 mph.
Tuesday Night
Mostly cloudy, with a low around 77.
Wednesday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 91.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT THIS FORECAST
Point Forecast:
Donna TX
26.16°N 98.05°W
26.16°N 98.05°W
10:45 am CDT May 21, 2026
10am CDT May 21, 2026-6pm CDT May 27, 2026



