San Antonio sees mostly sunny skies Friday with a high near 87°F — enjoy this window while it lasts, because a significant storm system arrives Saturday with rain chances topping 80%.
Today’s Setup
A clean Friday ahead for the Alamo City. Light south-southeast winds at 0 to 5 mph keep conditions pleasant, with just a 13% rain chance through the afternoon. The National Weather Service notes overnight storm activity has weakened and shifted east, leaving us a solid daytime break. Pollen is hitching a ride on these gentle southerly breezes, so if spring allergies are grinding you down, an allergy relief nasal spray is worth keeping in your bag before you head out.
Check the San Antonio weather forecast throughout the day for any afternoon updates.
Best Window To Be Outside
Today is your window — use it. Brackenridge Park, the Mission Reach, and the trails near Friedrich Wilderness Park are all in prime shape right now. Get lawn care, errands, and any outdoor projects knocked out before the weekend. For anyone looking at outdoor gear deals heading into summer, today’s a fine Friday to shop.
Tonight stays mostly clear through early evening, but the National Weather Service flags a slight chance of showers and thunderstorms from around 10 PM to 1 AM CT, with chances climbing toward 30% overnight. Wrap up any outdoor evening plans before then.
Spurs Playoff Action — Three Home Games This Week
Tonight is massive: West Conference Finals Game 3, San Antonio Spurs vs. Oklahoma City Thunder, at Frost Bank Center. Since it’s indoors, tonight’s late-night storm risk won’t touch you inside. The Spurs also host the Thunder for Game 4 on Saturday (May 23) and a potential Game 5 on Monday (May 25) — three home playoff games in one stretch for the Alamo City.
Gear up in a San Antonio Spurs jersey or San Antonio Spurs hoodie to show out for the home crowd. Need seats for Saturday or Monday? Get tickets on SeatGeek or Find tickets on StubHub — the Frost Bank Center playoff atmosphere is worth it.
Rain And Flood Risk Saturday
After a nice Friday, Saturday turns active. Rain chances jump to 84%, with showers and thunderstorms likely through the day and into Saturday night (low near 69°F, still 84% storm chance). The National Weather Service’s Austin/San Antonio office warns of an “active and unsettled weather pattern” with “multiple rounds of storms with heavy rain” that could cause localized flooding into late next week.
San Antonio sits squarely in Flash Flood Alley. If water is rushing over low-water crossings near the Hill Country or rising along the River Walk, do not attempt to drive through. Turn around, don’t drown.
What To Wear And Bring
- Friday: Light summer layers, sunglasses. Allergy sufferers: a HEPA air purifier running at home makes a real difference on high-pollen days.
- Tonight/Saturday: Rain jacket, umbrella, and extra travel time to Frost Bank Center — wet roads and thunder are in play by Saturday afternoon.
Dinner Tonight
After a warm 87°F afternoon, pasta or a quick stir-fry hits the right note — easy, satisfying, and nothing that keeps you in the kitchen too long before tip-off. Need ingredients? You can order groceries on Amazon and have everything delivered before tonight’s late storms roll in.
Next Few Days
Sunday may offer a brief break after the storm system passes, but the National Weather Service signals more rounds of heavy rain into late next week. Check the San Antonio weather forecast each morning — this pattern has staying power, and flooding risk will remain elevated across the region.
