St. Petersburg Local Weather RadarSt. Petersburg Weather Radar

St. Petersburg Weather Radar

St. Petersburg Live Weather

St. Petersburg Live Weather Radar

Click to toggle between the St. Petersburg cloud cover radar map and the St. Petersburg precipitation radar map.

St. Petersburg Hourly Weather Forecast

St. Petersburg 7-Day Weather Forecast

St. Petersburg Weather Overview

St. Petersburg weather radar is more useful when you read it with the local map in mind. St. Petersburg sits in Pinellas County. Compare cells near Bay, St. Petersburg city center, radar station KTBW, and Pinellas County neighborhoods before you trust a broad regional forecast. A small storm cell can still matter here. It might miss one side of Pinellas County but hit a commute route, work site, school pickup, or outdoor event. Watch rain that develops near Bay, where runoff and low clouds can change conditions fast.

Around St. Petersburg, the map is shaped by Bay, St. Petersburg city center, radar station KTBW, and Pinellas County neighborhoods. Watch for heavy rain, localized flooding, and flash-flood risk, thunderstorms and outflow winds, and organized rain bands. Alerts and forecast zones usually come through WFO TBW and radar station KTBW. Pair the map with NWS watches and warnings when storms strengthen, because radar shows motion while alerts explain the threat. If cells are building near Bay, check their direction before assuming conditions will stay quiet across town.

Seasonality changes the radar check. In spring, watch for severe thunderstorms, hail, and fast-changing radar returns. Summer is different: track heat, pop-up storms, and late-day radar checks. Fall often brings late-season tropical systems, while winter can bring cool-season rain, coastal wind, and quieter tropical-season checks. Check more often on unstable days. That seasonal mix is why local radar checks in St. Petersburg need more context than a statewide forecast.

Local geography changes how the radar should be read. Use the local radar station, waterways, county alerts, and named neighborhoods as anchors instead of vague road references. St. Petersburg city center helps outdoor users judge whether nearby rain is moving toward them or sliding past. For St. Petersburg, that local detail matters more than a broad statewide view because storms can affect one corridor while another stays dry. Low-lying waterfront areas can see ponding water, wind shifts, and visibility changes before inland neighborhoods notice much.

What matters first changes by season. Around St. Petersburg, start with heavy rain, localized flooding, and flash-flood risk, thunderstorms and outflow winds, and organized rain bands. In spring, the map can help spot runoff-producing rain. In summer and early fall, radar helps with outflow boundaries and fast-building storms. Forecast panels are better for slower-moving issues such as heat and late-day storm chances. In winter, check whether ponding water, gusty wind, or poor visibility may affect local travel corridors before heading out.

For daily use, start with the live radar, then compare it with the next few hours. Use KTBW as a radar reference point instead of guessing from a distant city. If storms are moving faster than expected, the 7-day forecast will not show every short-term change; the radar loop is the better tool for timing rain, nearby thunderstorms, and visibility changes near St. Petersburg.

Before leaving, open the St. Petersburg radar and check the direction of nearby cells. Then compare it with the hourly forecast. If storms are moving toward Pinellas County, give yourself more time, choose a safer route, or wait until the strongest returns pass. Simple, but useful.

Data sources used for this page include WFO TBW, NWS forecast grid, RainViewer radar imagery, Open-Meteo forecast data, and OpenStreetMap local geography. No single source tells the whole story. Together, they keep the page grounded in local geography and current forecast data.

St. Petersburg Weather Risks & Safety

Key weather hazards to monitor on the St. Petersburg weather radar

Hurricane & Tropical Storm Risk

St. Petersburg sits in the path of Atlantic and Gulf tropical systems. Hurricane season runs June 1 through November 30, peaking in August and September when warm sea surface temperatures fuel rapid intensification. On the radar, you can track the eye wall, rain bands, and embedded tornadoes as a storm approaches. If you live in St. Petersburg, keep your evacuation plan current and check the radar frequently once a tropical advisory is issued.

Severe Thunderstorm Risk

Severe thunderstorms roll through St. Petersburg regularly, especially spring through early fall. Expect damaging winds above 58 mph, large hail, and dangerous lightning. The radar shows you each storm cell's position, movement, and intensity — so you can tell if one is headed your way. When a thunderstorm warning drops for St. Petersburg, get indoors and away from windows until it passes.

Flooding & Flash Flood Risk

Flash flooding is St. Petersburg's most persistent weather hazard. Slow-moving thunderstorms or tropical moisture can dump enough rain to overwhelm drainage systems within hours — especially in paved urban areas where water has nowhere to go. Check the radar to see where the heaviest rain is falling and which areas to avoid. The standing rule: turn around, don't drown. Never drive through flooded roads, even if they look shallow.

Flash Flood Risk

The terrain around St. Petersburg funnels rainfall fast — canyon drainages, dry washes, and paved surfaces concentrate water into flows that can sweep away vehicles within minutes. The radar shows real-time rainfall rates, so you can see where the heaviest rain is falling and whether flash flood conditions are building near you. When a flash flood warning hits the St. Petersburg area, move to higher ground immediately. Don't wait to see the water rise.

Extreme Heat Risk

Summers in St. Petersburg get dangerously hot — heat indices regularly push past 100°F, and heat waves can last for weeks. When the radar shows clear skies with no storm activity for days, that usually means the heat is building. Outdoor workers, elderly residents, and anyone without reliable AC are most at risk. Stay hydrated, avoid outdoor activity during peak afternoon hours, and check on neighbors who might be struggling.

How to Use St. Petersburg Weather Radar

Follow these steps to get the most from the St. Petersburg weather radar data.
1

Check the St. Petersburg radar first

Start with the live radar before reading the longer forecast. Look for cells near Bay, then compare their direction with your location in St. Petersburg.

2

Compare radar with hourly timing

Use the hourly panel to see whether rain, heat, or storms are expected to last. Radar shows what is happening now; hourly data helps with the next few hours.

3

Plan around local routes

Before driving the most important local route, check whether precipitation is moving across the route or forming nearby. Small radar cells can still slow traffic or outdoor work.

4

Recheck during alerts

When WFO TBW issues watches or warnings, refresh the radar more often. Conditions can change faster than a daily forecast suggests.

Who Benefits from St. Petersburg Weather Radar

How different people use the St. Petersburg radar data

Commuters & Drivers

Drivers on local roads can check storm timing before leaving.

Outdoor Enthusiasts

People near St. Petersburg city center can watch rain and nearby thunderstorms before heading out.

Event Planners & Families

Families and event planners can compare radar with hourly changes.

Outdoor Workers

Outdoor crews can time breaks around hurricane and tropical-storm conditions.

St. Petersburg Weather FAQ

Common questions about St. Petersburg weather patterns and radar
When should I check St. Petersburg weather radar?
Check St. Petersburg weather radar before travel, outdoor work, school pickup, or events when clouds are building near St. Petersburg. Radar is most useful when conditions are changing faster than the daily forecast.
What NWS office covers St. Petersburg?
WFO TBW is the main National Weather Service reference for warnings and forecast context near St. Petersburg. Use local radar together with NWS watches, warnings, and forecast discussions during active weather.
What radar risks matter most near St. Petersburg?
On St. Petersburg radar, the first things to watch are heavy rain, localized flooding, and flash-flood risk, thunderstorms and outflow winds, and organized rain bands. Watch how cells move over nearby roads, bridges, low-lying neighborhoods, and waterfront areas because local impacts can appear before broader forecasts change.
How does seasonal weather affect St. Petersburg radar checks?
Seasonal patterns change what to watch. Spring often means severe thunderstorms, hail, and fast-changing radar returns; summer can bring heat, pop-up storms, and late-day radar checks; fall brings late-season tropical systems; winter may bring cool-season rain, coastal wind, and quieter tropical-season checks.