NWS Weather API: Forecast, Observations and Alerts
Pricing
from $2.80 / 1,000 location weathers
Get the US National Weather Service forecast, latest valid station observation and active alerts for each coordinate or station ID, plus active alerts by state. One flat row per location. Public NWS data, $4.00 per 1,000 rows.
Add latitude and longitude pairs, one per line, for example 47.6062,-122.3321. Use points in the United States, its territories or nearby waters.
Add NWS observation station IDs, one per line, for example KSEA or KDEN. Each ID returns the latest observation of that station with the forecast and alerts for its location.
Add two-letter state, territory or marine area codes, one per line, for example WA, TX or PR. Each code returns one row with every active alert for that area.
Set how many forecast periods to list for each location, from 1 to 14. A period is a day or a night, so 14 periods cover 7 days.
Choose the units for forecast temperatures and wind. Observation rows carry both Celsius and Fahrenheit.
Turn on to add the forecast periods to each location row.
Turn on to add the latest valid observation from the nearest reporting station.
Turn on to add the active alerts for each location.
Pick the severities to list. The default lists every severity.
Turn on to add the description and the instruction of each alert.
Set how many alerts to list in one row, from 1 to 200. The most severe alerts come first and the alert count shows the full total.
Return only items that this monitor has not delivered before. The first run returns everything and becomes the baseline. Use it with a daily schedule.
