Is it raining now in San Carlos?
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25 JulNo upcoming precipitation for the next hour.
Last update: 18:00, 25 Jul 2026
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Rain in San Carlos: What You Need to Know
San Carlos, Texas experiences Tornado Alley, Gulf hurricanes, and Flash Flood Alley. The San Carlos rain radar delivers real-time NEXRAD data from KFWS (Fort Worth) / KHGX (Houston), updated every 4–6 minutes at up to 250-meter resolution. Storms in this part of Texas typically approach from southwest or south from Gulf, and RainViewer's hyperlocal radar shows their exact position and direction so you can act before conditions change.
A standard forecast covers the broader Texas region. RainViewer shows the actual cell over San Carlos right now — with direction arrows and a 2-hour nowcast so residents and visitors can make real decisions, not guesses.
Rain by Season in San Carlos
Peak rain season (May–June (spring convective peak) and June–November (hurricane season))
San Carlos's highest weather risk aligns with May–June (spring convective peak) and June–November (hurricane season). Tornado alley, gulf hurricanes, and flash flood alley drives precipitation events in this region.
Transition months
Seasonal transitions bring variable conditions — a live radar is more reliable than a forecast during these less predictable windows.
Drier season (July–August)
Precipitation probability drops in San Carlos during July–August, allowing outdoor activities to proceed with lower weather risk.
Why You Need a Rain Radar in San Carlos
Commuters and Drivers in San Carlos
A radar check before leaving gives San Carlos drivers 20+ minutes to adjust timing or avoid flood-prone roads. Real-time NEXRAD is more actionable than a forecast probability for daily commute decisions in Texas.
Outdoor Planning in San Carlos
Residents and visitors planning outdoor activities in San Carlos benefit from knowing exactly when rain will arrive from southwest or south from Gulf. A live radar replaces forecast uncertainty with a real decision window.
RainViewer Radar Coverage in San Carlos
RainViewer aggregates radar data for the United States from the NEXRAD network operated by NOAA's National Weather Service — 160 WSR-88D stations covering the contiguous US, Alaska, Hawaii, and US territories. Data updates every 4–6 minutes as each station completes its scan cycle. RainViewer processes and displays NEXRAD data at up to 250-meter resolution. For San Carlos, Texas, the primary NEXRAD source is KFWS (Fort Worth) / KHGX (Houston).
San Carlos Rain Radar: Frequently Asked Questions
- Does San Carlos flood when it rains?
San Carlos can experience localized flooding during intense rain events, particularly in low-lying areas near drainage channels. Tornado alley, gulf hurricanes, and flash flood alley means runoff can accumulate quickly in parts of Texas. A live radar provides advance warning before conditions develop.
- When is the rainy season in San Carlos?
San Carlos's primary rain season runs through May–June (spring convective peak) and June–November (hurricane season). The driest period is typically July–August.
- Is there a live rain radar for San Carlos?
Yes — RainViewer shows live NEXRAD data for San Carlos at up to 250-meter resolution, updated every 4–6 minutes from KFWS (Fort Worth) / KHGX (Houston). The hyperlocal radar includes current precipitation, storm direction, and a 2-hour nowcast.
- Can I set a rain alert for San Carlos?
RainViewer Essential sends a rain alert 10–15 minutes before precipitation reaches your saved location in San Carlos, Texas. Set an alert for your specific address — not just a general Texas area warning.
Track Rain in San Carlos in Real Time
Rain can arrive in San Carlos faster than a forecast update — a live radar gives you the window to act.
Forecasts cover Texas broadly. RainViewer shows the cell position over San Carlos right now.
Your weather app shows rain likely near San Carlos. RainViewer shows the cell position and minutes to arrival.
Track rain in San Carlos — free Upgrade to Essential for alerts, forecasts, and full radar history
2-hour forecast in 5-minute slices
see when rain will reach San Carlos
Rain alerts before arrival
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Direction arrows
storms approach San Carlos from southwest or south from Gulf
48 hours of radar history
review recent rain patterns in San Carlos
Multiple locations
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