78537 Weather (Donna, TX)

Weather forecast for: Donna TX

Last Update: 6:00 am CDT Sep 6, 2026

Today: A 20 percent chance of showers and thunderstorms after 3pm. Sunny and hot, with a high near 100. Heat index values as high as 109. Southeast wind 5 to 11 mph, with gusts as high as 20 mph.

Tonight: Mostly clear, with a low around 79. South southeast wind 6 to 13 mph, with gusts as high as 22 mph.

Labor Day: A 20 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 100. Heat index values as high as 110. Southeast wind 5 to 11 mph, with gusts as high as 21 mph.

Monday Night: Mostly clear, with a low around 79. South southeast wind 6 to 14 mph, with gusts as high as 24 mph.

Tuesday: A 20 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 100. Southeast wind 5 to 13 mph, with gusts as high as 21 mph.

Tuesday Night: Mostly clear, with a low around 78. Southeast wind 5 to 13 mph, with gusts as high as 23 mph.

Wednesday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 98. Light southeast wind becoming east southeast 5 to 9 mph in the morning.

Wednesday Night: Partly cloudy, with a low around 78. East southeast wind 5 to 10 mph becoming light south southeast after midnight. Winds could gust as high as 20 mph.

Thursday: Sunny, with a high near 99. Light southeast wind increasing to 5 to 10 mph in the morning.

Thursday Night: Mostly clear, with a low around 78. South southeast wind 8 to 11 mph, with gusts as high as 22 mph.

Friday: Sunny and hot, with a high near 100. South southeast wind 7 to 13 mph, with gusts as high as 23 mph.

Friday Night: Mostly clear, with a low around 78.

Saturday: Sunny, with a high near 99.