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      Thunderstorm risk increasing this evening across the RGV

      The risk of rain and thunderstorms is increasing this afternoon and evening across south and deep south Texas.

      The layer of dry/stable air which robbed the valley of recent rain is now moist and more unstable and ready to produce showers and thunderstorms.

      The best chance for rain and thunderstorms will be north of the valley closer to a stalled cold front and west of the valley along the mountains in Mexico. The key will be any energy from those storms gushing into the RGV and firing off new ones and how much daytime heating can destabilize the atmosphere.

      If all the needed ingredients come together over the valley strong thunderstorms or even isolated severe weather cannot be ruled out. Be prepared for strong gusty winds, heavy downpours and frequent lightning as a storm passes.