Atmospheric conditions are expected to be favorable for producing high levels of ozone pollution across the Houston, Galveston, and surrounding areas through Monday evening, creating conditions that are considered unhealthy for sensitive groups. To help mitigate these levels, residents are encouraged to limit driving or carpool when possible. Furthermore, those planning outdoor activities are advised to restrict them to the early morning or late evening hours to avoid peak pollution times.
Monday’s Outlook: Conditions will remain hot and humid with isolated afternoon showers and thunderstorms. Inland high temperatures will be 96-99°F, and beach highs will reach 92-95°F. Heat indices are expected to range from 102-107°F. Winds will be from the ENE to ESE at 5-10 mph.
Slight Risk (level 2 of 4) of Excessive Rainfall on Tuesday and Wednesday generally east of the Brazos River.
Marginal Risk (level 1 of 4) of Excessive Rainfall on Tuesday and Wednesday elsewhere in Southeast TX.
Scattered showers and thunderstorms starting tonight, and increasing in coverage through Tuesday.
Heaviest rainfall expected Tuesday morning though the evening.
Flash flooding is the most likely impact if repeated strong storms move over the same area.
Rainfall rates will exceed 3-4”/hr at times in the heaviest downpours.
Increased chances of showers and thunderstorms tonight thru Wednesday. Widespread 3-5" with locally higher amounts of 6-9" is possible, especially east of I-45. Rainfall rates will exceed 3-4"/hour at times, which can lead to flash flooding. The forecast may fluctuate due to uncertainty, so monitor for updates.
Highest rain chances along the coast on Tuesday, coinciding with the arrival of the Gulf disturbance within the TX/LA border. Beyond Tuesday, rain chances remain low to moderate and warm and humid conditions continue.
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