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Rare June cold front brings the chance for stormy weather Monday evening

...but it also brings a little more enjoyable air for 24 hours Tuesday
Updated: Jun. 20, 2021 at 8:21 PM CDT
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BRYAN, Texas (KBTX) - Summer officially begins at 10:32 pm Sunday. Instead of talking doldrums, how about a cold front to set off the new season? If you are tired of the heat and humidity, there is some relief on the way (the keyword here is “some”).

MONDAY

No relief just yet, but the wheels are in motion. Quite the opposite, in fact, with a sultry start the day as heat index values run in the mid-80s as early as sunrise. Due to some messy weather in the Northern Gulf, scattered rain to a couple of quick thunderstorms are possible between sunrise and midday. A 40% chance for a splash is in the works, mainly across the far southern and eastern reaches of the area.

Hot and very humid conditions are forecast Monday ahead of an evening cold front.
Hot and very humid conditions are forecast Monday ahead of an evening cold front.(KBTX)

Not enough rain or clouds to keep temperatures in check: highs are headed for the low-to-mid 90s with heat index values ranging anywhere between 105° and 108° through the afternoon hours.

STORMS POSSIBLE BY EARLY EVENING

The Storm Prediction Center has placed most of the Brazos Valley under a 1 out of 5 risk for isolated strong-to-briefly-severe thunderstorms Monday evening. The heat of the day mixed with the north wind shift of the cold front should be enough to spark at least clusters -- if not a line -- of strong thunderstorms in the afternoon hours. As those storms move south, ahead of the cold front, from Central Texas into the area, a few segments could push winds in excess of 40 to 60mph. Heavy rain from the strongest storms could create brief instances of street and low-lying flooding. For most, 1/4″ to 3/4″ of rain may be up for grabs if storms manage to rumble through the backyard.

The Storm Prediction Center has placed most of the Brazos Valley under a 1 out of 5 risk for...
The Storm Prediction Center has placed most of the Brazos Valley under a 1 out of 5 risk for isolated strong/severe storms Monday evening.(KBTX)

While the timing of storms and this cold front’s arrival is still a bit fluid, the main window for activity currently looks to fall between 4 pm and 9 pm Monday.

STILL SWEATY...BUT FEELING BETTER TUESDAY

Before expectations are set too high, remember that this cold front brings impacts for June 22nd -- meaning this is not a big blast of cool air. Still, Tuesday will feel much better than Monday, Wednesday, or any of the following days this week.

A June cold front is expected to drop Tuesday's highs to below-average mid and upper 80s.
A June cold front is expected to drop Tuesday's highs to below-average mid and upper 80s.(KBTX)

Sandwiched between days with afternoon highs forecast to reach the mid-90s and heat index values -- what it feels like in the shade -- between 105° and 108° is Tuesday. Tuesday is expected to only bring afternoon highs in the mid-to-upper 80s and heat index values that only feel like 90° to 94°.

Get it while you can. Regularly scheduled summer returns Wednesday as high pressure squats down on Texas through the start of the weekend. Updates on Monday evening’s storm potential and Interactive Radar can be found on the KBTX PinPoint Weather App

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