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Heat advisory again Sunday along with storms possible into the night | Central Texas Forecast

Seasonal heat continues but a frontal boundary arrives late Sunday with scattered storms.

TEXAS, USA — HOURLY FORECAST: See what the weather will be like by the hour

LIVE INTERACTIVE RADAR: Track your forecast in real-time

SHORT TERM

We still have been quite warm with a heat advisory in place for areas along and east of I-35 with the exception of Williamson County and the Brazos Valley until 7 p.m. Starting noon through 7 p.m. Sunday, the same areas will yet again be under a heat advisory and heat indices could get to the 109° mark in spots. 

Thus, it is important to drink plenty of water and take frequent breaks when outside, jump in water, such as a pool or lake, and for the love of all things holy please do not leave your children or pets in a car. 

A frontal boundary slides in late Sunday which will lead to scattered thunderstorms that may contain strong winds and frequent lightning.

Credit: Meteorologist Jordan Darensbourg

Saturday Night: Mostly clear, with lows near 75°. Southerly winds 5 to 10 mph.

Sunday: Becoming mostly cloudy, with highs near 97°. Scattered (40%) showers/thunderstorms late. Southerly winds becoming northerly 5 to 10 mph.

Sunday Night: Cloudy, with lows near 75°. Scattered (50%) showers and thunderstorms. Northerly winds 5 to 10 mph.

Credit: Meteorologist Jordan Darensbourg
Credit: Meteorologist Jordan Darensbourg

LONG TERM

A deepening trough over the eastern U.S. will allow us to be somewhat cooler, as the aforementioned frontal boundary will pass through Sunday night into Monday which will result in some scattered thunderstorms through Monday morning.

Then, with the northerly winds behind the front, which is expected to stall out roughly along a San Antonio to Galveston line, will result in below average rain chances and more comfortable humidity through the rest of the week with spotty rain chances with daytime heating still possible, but isolated at best.

Monday: Partly cloudy, with highs near 91°. Scattered (40%) early showers or thunderstorms. Northerly winds 5 to 10.

Tuesday: Partly cloudy, with highs near 94°. Scattered (30%) showers and thunderstorms. Northeasterly winds 5 to 10 mph. 

Wednesday: Mix of sun and clouds, with highs near 95°. Isolated (20%) showers and thunderstorms. Easterly winds 5 to 10 mph.

Thursday: Mix of sun and clouds, with highs near 95°. Isolated (20%) showers and thunderstorms. Southeasterly winds 5 to 15 mph.

Friday: Mostly sunny, with highs near 96°. Southerly winds 5 to 15 mph.

Saturday: Partly cloudy, with highs near 96°. Southerly winds 10 to 15 mph.

Credit: Meteorologist Jordan Darensbourg