Data Updates
Each data source has a specific forecast update frequency. To view the next update time for the data source selected in the app, click on the top-right menu and select Info.
NOAA GFS (FV3)
Region: Global
Resolution: ~25km (0.25°) / 1-3hr
Time Period: 7-days (free version), up to 16-days (pro version)
Forecast Updates: every 6 hours
Data: precipitation, total cloud, temperature, mean-sea-level pressure, relative humidity, wind speed, gusts and direction, CAPE, Lifted Index, dew-point temperature, low/mid/high cloud, boundary cloud, convective cloud, and visibility.
NOAA GFS Waves
Region: Global
Resolution: ~25km (0.25°) / 1hr
Time Period: 10-days
Forecast Updates: every 6 hours
Data: Significant wave height, period and direction, wind wave height, period and direction, swell 1 wave height, period and direction, swell 2 wave height, period and direction.
CMC GDPS
Region: Global
Resolution: ~15km (0.15°) / 3hr
Time Period: 7-days (free version), up to 10-days (pro version)
Forecast Updates: every 12 hours
Data: precipitation, total cloud, temperature, mean-sea-level pressure, relative humidity, wind speed, gusts and direction, dew-point temperature.
CMC GDWPS Waves
Region: Global
Resolution: ~25km (0.25°) / 3hr
Time Period: 5-days
Forecast Updates: every 12 hours
Data: Significant wave height, period and direction, wind wave height, period and direction, swell 1 wave height, period and direction.
ECMWF HRES 35km
Region: Global
Resolution: ~35km (0.4°) / 3hr
Time Period: 90 hours
Forecast Updates: every 6 hours
Data: precipitation, temperature, mean-sea-level pressure, wind speed and direction. (Note: no total cloud)
CAMS Air Quality/UV
Region: Global
Resolution: ~40km (0.4°) / 1hr
Time Period: 5-days
Forecast Updates: every 12 hours
Data: UV Index, PM2.5, PM10, NO2, SO2, CO, O3 (ozone)
NOAA HYSPLIT Smoke
Region: Continental USA (see Region Domain map)
Resolution: 5km / 1hr
Time Period: 48-hours
Forecast Updates: every 24 hours
Data: near surface smoke, integrated column smoke.
NOAA HRRR Smoke (Experimental)
Region: Continental USA (see Region Domain map)
Resolution: 5km / 1hr
Time Period: 48-hours
Forecast Updates: every 24 hours
Data: near surface smoke, integrated column smoke.
Storm/Hurricane Tracks - NOAA & CMC
Region: Global
Forecast Updates: every 6hrs (NOAA), and 12hrs (CMC)
Data: NOAA GFS storm track model and NOAA GEFS ensemble models, CMC GDPS storm track model and CMC CENS ensemble models.
For more detail, see the Storm/Hurricane Track help page.
Sunrise/set & Moonrise/set
Region: Global
Data: sunrise/set time, moonrise/set time, moon phase
For more detail, see the Sun/Moon help page.
RainViewer Radar
(Silver/Gold subscriptions)
Region: Global with restricted coverage - see map
Resolution: variable down to 2km
Time Period: 3-day historical
Forecast Updates: 10 minutes
Data: radar reflectivity
For more detail, see the Rainviewer Radar help page.
NOAA NAM 12km
(Silver/Gold subscriptions)
Region: Continental USA (see Region Domain map)
Resolution: 12km / 1-3hr
Time Period: 84-hours
Forecast Updates: every 6 hours
Data: precipitation, total cloud, temperature, mean-sea-level pressure, relative humidity, wind speed and direction, CAPE, Lifted Index, dew-point temperature, low/mid/high cloud, predicted radar reflectivity (composite, 1km, 4km) and visibility.
DWD ICON
(Silver/Gold subscriptions)
Region: Global
Resolution: 13km / 1-3hr
Time Period: 5-days (120-hours)
Forecast Updates: every 6 hours
Data: precipitation, total cloud, temperature, mean-sea-level pressure, relative humidity, wind speed, gusts and direction, dew-point temperature, snow.
MeteoFrance ARPEGE
(Silver/Gold subscriptions)
Region: Europe (see Region Domain map)
Resolution: ~11km / 1hr
Time Period: 60-hours
Forecast Updates: every 6 hours
Data: precipitation, total/low/medium/high cloud, temperature, wind speed and direction, dew-point temperature, mean-sea-level pressure, relative humidity, snow, CAPE.
CMC RDPS
(Silver/Gold subscriptions)
Region: Canada, USA (incl. Alaska), Greenland, Iceland (see Region Domain map)
Resolution: ~10km / 1hr
Time Period: 48-hours
Forecast Updates: every 6 hours
Data: precipitation, total cloud, temperature, mean-sea-level pressure, relative humidity, wind speed, gusts and direction, dew-point temperature.
CAMS-EU Air Quality
(Gold subscription)
Region: Europe
Resolution: ~10km (0.1°) / 1hr
Time Period: 4-days
Forecast Updates: every 24 hours
Data: PM2.5, PM10, NO2, SO2, CO, O3 (ozone)
SILAM Air Quality
(Gold subscription)
Region: Europe
Resolution: ~10km (0.1°) / 1hr
Time Period: 4-days
Forecast Updates: every 24 hours
Data: PM2.5, PM10, NO2, SO2, CO, O3 (ozone)
NOAA NAM 3km
(Gold subscription)
Region: Continental USA (see Region Domain map)
Resolution: 3km / 1hr
Time Period: 60-hours
Forecast Updates: every 6 hours
Data: precipitation, total cloud, temperature, mean-sea-level pressure, relative humidity, wind speed and direction, CAPE, Lifted Index, dew-point temperature, low/mid/high cloud, predicted radar reflectivity (composite, 1km, 4km) and visibility.
NOAA HRRR
(Gold subscription)
Region: Continental USA (see Region Domain map)
Resolution: 3km / 15min
Time Period: 18-hours
Forecast Updates: every hour!!
Data: precipitation, total cloud, temperature, mean-sea-level pressure, relative humidity, wind speed and direction, CAPE, Lifted Index, dew-point temperature, low/mid/high cloud, predicted radar reflectivity (composite, 1km, 4km) and visibility.
NOAA RTOFS Ocean Model
(Gold subscription)
Region: Global
Resolution: ~9km (0.083°) / 3hr
Time Period: 7-days
Forecast Updates: every 24 hours
Data: sea surface temperature, salinity and currents.
DWD ICON-EU
(Gold subscription)
Region: Europe (see Region Domain map)
Resolution: ~7km (0.0625°) / 1hr
Time Period: 5-days
Forecast Updates: every 6 hours
Data: precipitation, total cloud, temperature, mean-sea-level pressure, relative humidity, wind speed, gusts and direction, dew-point temperature, snow.
DWD ICON D2
(Gold subscription)
Region: Germany+ (see Region Domain map)
Resolution: 2.2km / 15min-1hr
Time Period: 48-hours
Forecast Updates: every 3 hours
Data: precipitation, total cloud, temperature, mean-sea-level pressure, relative humidity, wind speed, gusts and direction, dew-point temperature, snow.
MeteoFrance AROME
(Gold subscription)
Region: France Region (see Region Domain map)
Resolution: ~2.8km and ~1.3km / 1hr
Time Period: 42-hours
Forecast Updates: every 6 hours
2.8km Res Data: total cloud, mean-sea-level pressure.
1.3km Res Data: precipitation, temperature, dew-point temperature, wind speed and direction, relative humidity, low/med/high cloud, CAPE.
CMC HRDPS
(Gold subscription)
Region: Canada (see Region Domain map)
Resolution: ~2.5km / 1hr
Time Period: 48-hours
Forecast Updates: every 6 hours
Data: precipitation, total cloud, temperature, mean-sea-level pressure, relative humidity, wind speed, gusts and direction, dew-point temperature.
KNMI HARMOINE 2km
(Gold subscription)
Region: Netherlands+ (see Region Domain map)
Resolution: ~2km / 1hr
Time Period: 53-hours
Forecast Updates: every hour!!
Data: precipitation, total cloud, temperature, mean-sea-level pressure, relative humidity, wind speed, gusts and direction, dew-point temperature.
RMI Alaro
(Gold subscription)
Region: Belgium+ (see Region Domain map below)
Resolution: ~4km / 1hr
Time Period: 60-hours
Forecast Updates: every 6 hours
Data: precipitation, total cloud, temperature, mean-sea-level pressure, relative humidity, wind speed, gusts and direction, dew-point temperature.
Expedition Marine
(Gold subscription)
Region: various locations
Resolution: 1km/3km/9km - 30mins/1hr
Time Period: 24/36/72hrs
Forecast Updates: every 6 hours
Data: precipitation, total cloud, temperature, mean-sea-level pressure, wind speed, gusts and direction.