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VectorWX Features

Advanced hyperlocal weather visualization with real-time radar, multi-model forecasts, storm tracking, and customizable severe weather alerts. Free and ad-free.

FreePRO$5/mo or $50/yr

Real-Time Weather Radar

  • •MRMS precipitation mosaic updated every 2 minutes across CONUS
  • •NEXRAD Level 2 dual polarization radar with infinite zoom resolution
  • •Reflectivity, base velocity, spectrum width, and composite reflectivity products
  • •Correlation coefficient (CC), differential reflectivity (ZDR), and differential phase (KDP)
  • •Storm relative velocity (SRV) with configurable storm motion vector
  • •VIL (Vertically Integrated Liquid) and echo tops derived products
  • •Radar animation with smooth TREC-based advection interpolation between frames
  • •Precipitation type tinting — snow (cyan), ice (orange), freezing rain (purple), hail (hatching)
  • •Dual-pane radar comparison for side-by-side analysis of different products or sites
  • •Live radar streaming mode with real-time chunk updates as the antenna rotatesPRO
  • •140+ NEXRAD radar sites with dedicated local radar pages

Hyperlocal Multi-Model Forecasts

  • •HRRR 3km resolution forecasts — the highest-resolution operational model in the US
  • •NAM and GFS models for medium-range and extended forecasts
  • •Minute-by-minute 15-minute subhourly data with RTMA bias correction for present mode
  • •7-day forecast panel with daily high/low, wind, precipitation, and weather icons
  • •ECMWF (European) model — widely considered the most accurate global modelPRO
  • •ICON (German DWD) model for independent European model perspectivePRO
  • •Extended 16-day forecasts with ECMWF and GFS long-range guidancePRO
  • •Model comparison mode — overlay HRRR, ECMWF, and ICON on a single meteogramPRO
  • •Hourly forecast breakdown with detailed wind, precip, and cloud dataPRO
  • •Forecast confidence index powered by GEFS ensemble spread analysisPRO

Interactive Meteograms

  • •Temperature and dewpoint curves with sunrise/sunset shading
  • •Wind speed and gust forecasts with directional indicators
  • •Precipitation rate bars with type-aware coloring
  • •CAPE (Convective Available Potential Energy) area plots for severe weather assessment
  • •Cloud cover at low, mid, and high levels with layered visualization
  • •Lightning Potential Index (LPI) overlay for thunderstorm risk
  • •Fullscreen meteogram mode with expanded detail and pan/zoom
  • •Series toggles — show or hide individual variables per graph
  • •Click any point on the map to load location-specific meteograms instantly

Map Overlays — Present Mode

  • •MRMS radar with precipitation type visualization
  • •Precipitation type overlay showing rain, snow, ice, and freezing rain areas
  • •Wind direction indicators across the map
  • •NWS severe weather alerts with color-coded polygons
  • •GLM lightning strike map with real-time updates
  • •GOES satellite imagery for cloud cover visualization
  • •24-hour observed precipitation totals (MRMS QPE) with per-type breakdown
  • •Surface analysis with isobars, fronts, and pressure systems
  • •Average wind speed, gusts, humidity, temperature, and visibility overlays
  • •Flight category visibility overlay (VFR/MVFR/IFR/LIFR) from METAR observations
  • •METAR/TAF station data with decoded observations and forecasts
  • •Webcam layer with live weather camera feeds
  • •Storm spotter positions and reports
  • •ProbSevere storm cell tracking with TVS tornado signaturesPRO
  • •APRS weather station data with real-time temperature, wind, and pressurePRO
  • •Aviation overlays — SIGMETs, G-AIRMETs, PIREPs plotted with decoded detailsPRO

Map Overlays — Future (Model) Mode

  • •Reflectivity forecast showing expected radar returns
  • •Precipitation type forecast (rain, snow, ice, freezing rain)
  • •Precipitation accumulation totals with snow depth tracking (12:1 snow-liquid ratio)
  • •Temperature, humidity, cloud cover, and visibility forecasts
  • •Average wind and gust forecasts with wind particle visualization
  • •Wind direction indicator overlay
  • •CAPE overlay for convective instability assessment
  • •Surface pressure / isobar forecasts
  • •SPC convective outlooks for severe weather risk areas
  • •Upper-level jet stream winds at multiple pressure levels (250/500/700/925 mb)PRO
  • •Storm Relative Helicity (SRH) for tornado environment assessmentPRO
  • •Convective Inhibition (CIN) overlayPRO
  • •Significant Tornado Parameter (STP) compositePRO
  • •Supercell Composite Parameter (SCP)PRO
  • •Bulk wind shear (1km, 3km, 6km depths)PRO
  • •Forecast confidence overlay showing per-pixel model agreementPRO
  • •Aviation forecast — TAF-based flight category grids (fh 0-24), GFS visibility (fh 25+)PRO

Severe Weather & Storm Tracking

  • •NWS alerts — tornado warnings, severe thunderstorm warnings, watches, and advisories
  • •Color-coded alert polygons on the map with click-to-expand details
  • •SPC convective outlooks for categorical, tornado, wind, and hail risk
  • •Real-time GLM lightning strike maps with location-based alert radius
  • •ProbSevere storm cell tracking with motion vectors and TVS tornado detectionPRO
  • •Storm cell history tracks showing past and projected movementPRO
  • •Skew-T atmospheric sounding diagrams at any forecast hour and location
  • •Surface analysis with frontal boundaries and pressure centers

Customizable Weather Alerts

  • •Email alerts for tornado warnings, severe thunderstorm warnings, and watches
  • •Point-in-polygon precision — alerts for YOUR specific location, not a broad county
  • •Tornado/PDS (Particularly Dangerous Situation) alerts regardless of location
  • •Alert sound effects with configurable watch, warning, and urgent categories
  • •Screen flash on PDS and tornado emergencies
  • •SMS and email weather alerts delivered instantly to your phone and inboxPRO
  • •Voice readback of full alert text or brief summaries using natural TTSPRO
  • •Independent sound and voice controls per alert category (watch/warning/urgent/tornado)PRO
  • •Lightning strike SMS and email alerts when detected near your locationPRO

Aviation Weather

  • •METAR station observations with decoded weather, wind, visibility, and cloud layers
  • •TAF terminal forecasts with period-by-period decoded output
  • •Interactive flight category map (VFR, MVFR, IFR, LIFR) from real-time METAR data
  • •TAF-based forecast flight category grids for the first 24 hours
  • •Ceiling and visibility data with FAA flight category thresholds
  • •Skew-T atmospheric sounding diagrams with temperature, dewpoint, and wind profiles
  • •SIGMETs (convective and non-convective) plotted on the map with full detailsPRO
  • •G-AIRMETs with altitude, hazard type, and movement informationPRO
  • •PIREPs (Pilot Reports) with icing, turbulence, and weather observationsPRO

AI & Voice Features

  • •AI weather chat — ask natural language questions about weather at your location (3 free uses)
  • •NWS forecast voice readback with natural TTS (1 free play per day)
  • •Unlimited AI weather chat for in-depth weather analysisPRO
  • •Unlimited forecast voice playback with scrub sliderPRO
  • •Voice alert readback — hear full or brief alert text when warnings are issuedPRO

Map Click & Point Data

  • •Click any location for detailed point forecast data — temp, wind, precip, CAPE, and more
  • •Reflectivity value readout in dBZ at the clicked point
  • •Precipitation type and rate at click location
  • •Wind speed, direction, and gust at click location
  • •Snow accumulation totals with 12:1 liquid-to-snow conversion
  • •METAR popup with full decoded observation, TAF, and flight category
  • •Alert details with headline, issuance time, and full text expansion
  • •Radar and sounding quick-launch buttons from any click popup
  • •Reverse geocode — shows city/county name for clicked location

User Interface & Experience

  • •No advertisements — ever. Clean, distraction-free weather interface
  • •Dark basemap designed for weather data contrast
  • •Timeline scrubbing with smooth advection-interpolated transitions
  • •Progressive timeline: near-term hours get more space for precision scrubbing
  • •Keyboard shortcuts: R (nearest radar), D (draw), < > (step timeline), P (debug)
  • •Location search — city, ZIP code, or ICAO airport codes
  • •GPS location detection with one-click nearest radar loading
  • •Cookie and account-synced preferences for layers, settings, and alert configuration
  • •Mobile-responsive layout with touch-optimized controls
  • •Live weather streams viewer for real-time storm coverage
  • •Basemap customization — adjust land, water, road, label, and boundary colorsPRO
  • •Gray basemap variant for maximum weather data contrastPRO
  • •24/7 session keepalive — no 1-hour timeout for continuous monitoringPRO
Open VectorWX

Free to use. No account required for basic features.

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