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Rain chances jump up starting Sunday, peak late Monday

Heavy rain is possible

Rain chances gradually rising until they peak Monday into Monday night. (Copyright 2024 by KSAT - All rights reserved.)

FORECAST HIGHLIGHTS

  • HOT & HUMID: Heat index near 100°
  • WEEKEND: Isolated rain Saturday, scattered rain around Coastal Plains Sunday
  • MONDAY-TUESDAY: Heavy rain for some, street flooding possible

FORECAST

TODAY & FRIDAY

Temperatures will rise into the lowers 90s but heat index values will peak near 100°-104° Friday afternoon. Also, a few pop up showers are possible at any moment throughout the day.

WEEKEND

A surge of deeper moisture will slowly arrive throughout the day. This will help produce isolated downpours in the afternoon hours on Saturday (30%). Temperatures return to the 90s.

Sunday, the atmosphere becomes saturated. This will allow for downpours to become more widespread (40%). These downpours will produce heavy rainfall for some.

Highest rainfall accumulations at the end of the weekend will be east of San Antonio.

Estimated rainfall totals through Monday evening. (Copyright 2026 by KSAT - All rights reserved.)

MONDAY & TUESDAY

These are days we’ll be monitoring closely. By Monday, the entire atmosphere will be saturated as a weak front will shift into the area, helping to wring out some of that moisture. Widespread heavy downpours are expected (60%). This will continue into Monday night and potentially into the first half of Tuesday. Street flooding is a concern during this timeframe.

Rain chances gradually rising until they peak Monday into Monday night. (Copyright 2024 by KSAT - All rights reserved.)

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