Houston forecast: Severe weather, flooding possible in Southeast Texas

Temperatures will peak near 88° midday, and scattered thunderstorms, some severe, are expected during the afternoon commute. 

Stay weather-aware during the evening as storms could linger into the early nighttime hours.

• Damaging wind gusts
• Isolated tornado
• Heavy downpours leading to street flooding

Expect two rounds of storms today:

• Mid to late morning (10 a.m. – noon): Initial round of showers and thunderstorms begins to develop.
• Afternoon to early evening (Noon – 7 p.m.): A second, stronger round is likely, coinciding with the afternoon commute.
• Evening (through 9–10 p.m.): Storms may linger in isolated areas before tapering off.

Thursday morning: Rain returns early along the coast, spreading inland by the commute. Conditions may not fully wind down until later in the day.

• Entire Houston metro is under a Level 2 risk for severe storms.
• Northwest of Houston (e.g., Wharton, Columbus, north of Katy): May see the first signs of morning activity.
• South and coastal areas (e.g., Galveston, Pearland): Could see evening storms as activity shifts southward.

• Prep early: Run errands before 10 a.m. to avoid storm activity.
• Watch for flooded roads: Street flooding is possible during and after downpours.
• Secure outdoor items: Strong wind gusts could knock down unsecured objects.
• Stay alert: Keep notifications on for watches or warnings. Conditions could escalate quickly.

• Thursday: Another weather alert day. Expect widespread rain with 2–4 inches likely and isolated totals up to 6–8 inches.
• Friday: Less active but still scattered showers.
• Weekend: Drier breaks with heat returning early next week.
• Tropics: No storm development expected over the next 7 days.
• Father’s Day (Sunday) is trending drier but still warm.

Harris County (including Houston, Pasadena, Baytown), Fort Bend County (Richmond, Sugar Land, Missouri City), Montgomery County (Conroe, The Woodlands), Brazoria County (Angleton, Pearland, Alvin, Lake Jackson), Galveston County (Galveston, League City, Texas City), Liberty County (Liberty, Cleveland, Dayton), Walker County (Huntsville, New Waverly), Waller County (Hempstead, Prairie View, Waller), Polk County (Livingston, Corrigan), Chambers County (Anahuac, Mont Belvieu, Winnie), Wharton County (Wharton, El Campo), Washington County (Brenham), Matagorda County (Bay City, Palacios), Grimes County (Anderson, Navasota), Austin County (Bellville, Sealy), Colorado County (Columbus, Eagle Lake, Weimar), Trinity County (Groveton, Trinity).