weather

Environment Canada MSC GeoMet weather tools: current conditions, forecasts, alerts, climate data, air quality, hydrology, marine forecasts, severe weather, snow depth, and collection browsing. Covers 40+ tools across 9 sub-domains backed by the OGC API Features standard.

34tools

All tools accept lang: "en" | "fr". Open each tool below for its source-derived parameters.

`wx_get_aqhi`

Get current Air Quality Health Index (AQHI) reading for a location.

Use forchecking current air quality health index, AQI, air pollution level,

aqhi, air quality, health index, pollution, smog, aqi, outdoor air,

Parameter	Type	Default
`lat`	`float \| None`	`None`
`lon`	`float \| None`	`None`
`location_id`	`str \| None`	`None`
`lang`	`Literal['en', 'fr']`	`'en'`

`wx_get_aqhi_forecast`

Get AQHI air quality forecast periods for a location.

Use forgetting forecasted air quality health index, future air quality,

aqhi, forecast, air quality, future, tomorrow, smog, pollution,

Parameter	Type	Default
`lat`	`float \| None`	`None`
`lon`	`float \| None`	`None`
`location_id`	`str \| None`	`None`
`lang`	`Literal['en', 'fr']`	`'en'`

`wx_get_aqhi_history`

Get historical AQHI observations for a location with optional date range.

Use forhistorical air quality health index data, past AQHI readings,

aqhi, history, historical, past, air quality, trend, analysis,

Parameter	Type	Default
`location_id`	`str`	`required`
`start_date`	`str \| None`	`None`
`end_date`	`str \| None`	`None`
`limit`	`int`	`50`
`lang`	`Literal['en', 'fr']`	`'en'`

`wx_get_climate_daily`

Get historical daily climate observations for a weather station.

Use forhistorical weather data, daily temperature records, precipitation history,

daily climate, historical weather, temperature daily, precipitation,

Parameter	Type	Default
`station_id`	`str`	`required`
`start_date`	`str \| None`	`None`
`end_date`	`str \| None`	`None`
`limit`	`int`	`100`
`lang`	`Literal['en', 'fr']`	`'en'`

`wx_get_climate_monthly`

Get monthly climate summary data for a weather station.

Use formonthly climate summaries, seasonal weather patterns, annual

monthly climate, monthly weather, monthly temperature, monthly precipitation,

Parameter	Type	Default
`station_id`	`str`	`required`
`year`	`int \| None`	`None`
`limit`	`int`	`12`
`lang`	`Literal['en', 'fr']`	`'en'`

`wx_get_climate_normals`

Get 30-year climate normals for a weather station.

Use forclimate baseline, 30-year averages, normal temperatures, average

climate normals, 30-year average, baseline climate, 1981 2010,

Parameter	Type	Default
`station_id`	`str`	`required`
`lang`	`Literal['en', 'fr']`	`'en'`

`wx_get_climate_projections`

Get CMIP5 or CMIP6 climate projection collection metadata.

Use forclimate projections, future climate scenarios, CMIP5, CMIP6,

climate projections, CMIP5, CMIP6, future climate, climate model,

Parameter	Type	Default
`model`	`Literal['cmip5', 'cmip6']`	`'cmip5'`
`scenario`	`str \| None`	`None`
`variable`	`str \| None`	`None`
`lang`	`Literal['en', 'fr']`	`'en'`

`wx_get_drought_index`

Get SPEI drought index collection metadata.

Use fordrought index, SPEI, drought monitoring, drought conditions,

drought index, SPEI, drought monitoring, drought conditions,

Parameter	Type	Default
`lat`	`float \| None`	`None`
`lon`	`float \| None`	`None`
`spei_period`	`int`	`3`
`lang`	`Literal['en', 'fr']`	`'en'`

`wx_compare_climate_periods`

Compare daily climate averages between two time periods for a station.

Use forclimate change comparison, temperature trend between periods,

climate comparison, period comparison, temperature change, climate trend,

Parameter	Type	Default
`station_id`	`str`	`required`
`period1_start`	`str`	`required`
`period1_end`	`str`	`required`
`period2_start`	`str`	`required`
`period2_end`	`str`	`required`
`lang`	`Literal['en', 'fr']`	`'en'`

`wx_get_climate_trends`

Get long-term climate trends from the AHCCD dataset.

Use forlong-term precipitation trends, AHCCD data, climate change evidence,

climate trends, AHCCD, long-term trend, temperature trend,

Parameter	Type	Default
`station_id`	`str \| None`	`None`
`measurement_type`	`str \| None`	`None`
`lang`	`Literal['en', 'fr']`	`'en'`

`wx_list_collections`

Browse all available MSC GeoMet weather data collections.

Use fordiscovering what weather data is available beyond curated tools,

collections, browse, list, available, datasets, collections catalog,

Parameter	Type	Default
`lang`	`Literal['en', 'fr']`	`'en'`

`wx_get_collection_items`

Query any MSC GeoMet weather collection by ID and return its items.

Use foraccessing niche collections not covered by specific tools,

collection, query, items, collection_id, ogc, raw data, niche,

Parameter	Type	Default
`collection_id`	`str`	`required`
`bbox`	`str \| None`	`None`
`datetime_filter`	`str \| None`	`None`
`properties`	`dict[str, Any] \| None`	`None`
`limit`	`int`	`50`
`lang`	`Literal['en', 'fr']`	`'en'`

`wx_get_current_conditions`

Get current weather conditions for a Canadian location.

Use forcurrent weather, temperature right now, what is the weather,

current weather conditions temperature humidity wind pressure

Parameter	Type	Default
`location`	`str \| None`	`None`
`lat`	`float \| None`	`None`
`lon`	`float \| None`	`None`
`province`	`str \| None`	`None`
`lang`	`Literal['en', 'fr']`	`'en'`

`wx_get_forecast`

Get the multi-day weather forecast for a Canadian location.

Use forweather forecast, tomorrow weather, weekend forecast,

weather forecast tomorrow this weekend week rain snow temperature

Parameter	Type	Default
`location`	`str \| None`	`None`
`lat`	`float \| None`	`None`
`lon`	`float \| None`	`None`
`province`	`str \| None`	`None`
`days`	`int`	`7`
`lang`	`Literal['en', 'fr']`	`'en'`

`wx_get_weather_alerts`

Get active weather alerts and warnings for Canada or a specific province.

Use forweather alerts warnings watches advisories active alerts

weather alert warning watch advisory statement severe weather

Parameter	Type	Default
`province`	`str \| None`	`None`
`alert_type`	`str \| None`	`None`
`limit`	`int`	`25`
`lang`	`Literal['en', 'fr']`	`'en'`

`wx_search_stations`

Search for Environment Canada climate observation stations.

Use forfind weather station, climate station search, nearest station,

climate station weather station observation station find station

Parameter	Type	Default
`province`	`str \| None`	`None`
`lat`	`float \| None`	`None`
`lon`	`float \| None`	`None`
`name`	`str \| None`	`None`
`lang`	`Literal['en', 'fr']`	`'en'`

`wx_get_station_data`

Get hourly climate observations from a specific Environment Canada station.

Use forhourly observations station data raw climate data temperature

hourly climate observations station data CLIMATE_IDENTIFIER

Parameter	Type	Default
`station_id`	`str`	`required`
`date`	`str \| None`	`None`
`limit`	`int`	`24`
`lang`	`Literal['en', 'fr']`	`'en'`

`wx_get_water_levels`

Get real-time water level readings at a Canadian hydrometric station.

Use forgetting current water level, river height, lake level, stream gauge

water level, river, lake, stream, gauge, hydrology, stage, height,

Parameter	Type	Default
`station_number`	`str \| None`	`None`
`lat`	`float \| None`	`None`
`lon`	`float \| None`	`None`
`lang`	`Literal['en', 'fr']`	`'en'`

`wx_get_water_flow`

Get real-time water discharge (flow rate) at a Canadian hydrometric station.

Use forgetting current river flow, stream discharge, water flow rate,

water flow, discharge, streamflow, flow rate, river, cubic metres,

Parameter	Type	Default
`station_number`	`str \| None`	`None`
`lat`	`float \| None`	`None`
`lon`	`float \| None`	`None`
`lang`	`Literal['en', 'fr']`	`'en'`

`wx_get_daily_mean_water`

Get daily mean water level and discharge for a hydrometric station.

Use forhistorical daily water level averages, mean river flow over time,

daily mean, water level, discharge, historical, average, trend,

Parameter	Type	Default
`station_number`	`str`	`required`
`start_date`	`str \| None`	`None`
`end_date`	`str \| None`	`None`
`lang`	`Literal['en', 'fr']`	`'en'`

`wx_search_hydro_stations`

Search for hydrometric water monitoring stations by province or location.

Use forfinding Water Survey of Canada stations near a location, listing

hydrometric station, water station, gauge, wsc, water survey,

Parameter	Type	Default
`province`	`str \| None`	`None`
`lat`	`float \| None`	`None`
`lon`	`float \| None`	`None`
`name`	`str \| None`	`None`
`lang`	`Literal['en', 'fr']`	`'en'`

`wx_get_flood_risk`

Get flood risk assessment for a hydrometric station by comparing current to historical max.

Use forassessing flood risk, comparing current river conditions to historical

flood risk, flooding, risk level, river, discharge, historical maximum,

Parameter	Type	Default
`station_number`	`str`	`required`
`lang`	`Literal['en', 'fr']`	`'en'`

`wx_get_marine_forecast`

Get marine weather forecasts for Canadian coastal and offshore waters.

Use forgetting marine weather forecasts for coastal waters, offshore zones,

marine, weather, coastal, offshore, forecast, boat, sailor, fishing,

Parameter	Type	Default
`province`	`str \| None`	`None`
`lat`	`float \| None`	`None`
`lon`	`float \| None`	`None`
`lang`	`Literal['en', 'fr']`	`'en'`

`wx_get_hurricane_tracks`

Get active hurricane and tropical storm track data for Canada and adjacent waters.

Use fortracking active hurricanes, tropical storms, tropical depressions,

hurricane, tropical storm, cyclone, track, forecast, path, storm,

Parameter	Type	Default
`lang`	`Literal['en', 'fr']`	`'en'`

`wx_get_thunderstorm_outlook`

Get thunderstorm outlook regions and risk levels for Canada.

Use forgetting thunderstorm forecasts, severe storm outlook, convective

thunderstorm, storm, outlook, convective, severe, lightning risk,

Parameter	Type	Default
`province`	`str \| None`	`None`
`lang`	`Literal['en', 'fr']`	`'en'`

`wx_get_radar_data`

Get radar precipitation accumulation data for a location in Canada.

Use forchecking rainfall totals, precipitation accumulation from weather

radar, precipitation, accumulation, rainfall, snowfall, RDPA,

Parameter	Type	Default
`lat`	`float`	`required`
`lon`	`float`	`required`
`lang`	`Literal['en', 'fr']`	`'en'`

`wx_get_lightning`

Get lightning strike information for Canada.

Use forfinding lightning strike data, thunderstorm activity, real-time

lightning, thunder, strike, bolt, thunderstorm, electrical storm,

Parameter	Type	Default
`lang`	`Literal['en', 'fr']`	`'en'`

`wx_get_uv_index`

Get UV index forecast for a location in Canada.

Use forchecking UV radiation levels, sun safety recommendations,

UV index, ultraviolet, sun safety, UV radiation, sunscreen,

Parameter	Type	Default
`lat`	`float \| None`	`None`
`lon`	`float \| None`	`None`
`location`	`str \| None`	`None`
`lang`	`Literal['en', 'fr']`	`'en'`

`wx_get_snow_depth`

Get snow depth from the nearest SWOB real-time weather observation station.

Use forchecking current snow depth at a location in Canada, snow cover

snow depth, snowpack, snow cover, snowfall, winter, cm, snow on ground,

Parameter	Type	Default
`station_id`	`str \| None`	`None`
`lat`	`float \| None`	`None`
`lon`	`float \| None`	`None`
`lang`	`Literal['en', 'fr']`	`'en'`

`wx_get_snow_water_equivalent`

Get estimated snow water equivalent (SWE) from snow depth observations.

Use forestimating how much liquid water is stored in the snowpack, SWE

snow water equivalent, SWE, snowpack, water content, snow density,

Parameter	Type	Default
`station_id`	`str \| None`	`None`
`lat`	`float \| None`	`None`
`lon`	`float \| None`	`None`
`density_factor`	`float`	`0.3`
`lang`	`Literal['en', 'fr']`	`'en'`

`wx_get_weather_summary`

Get a comprehensive weather summary combining current conditions, forecast, active alerts, and air quality.

Use forgetting a complete weather overview in one call, checking everything about the weather

weather summary, overview, complete, comprehensive, conditions forecast alerts aqhi,

Parameter	Type	Default
`lat`	`float \| None`	`None`
`lon`	`float \| None`	`None`
`location`	`str \| None`	`None`
`province`	`str \| None`	`None`
`lang`	`Literal['en', 'fr']`	`'en'`

`wx_get_historical_extremes`

Get all-time weather records for a climate station: highest/lowest temperatures, most precipitation, most snowfall.

Use forfinding all-time records, historical extremes, record high temperature, record low temperature,

historical extremes, all-time records, record high, record low, temperature records,

Parameter	Type	Default
`station_id`	`str`	`required`
`lang`	`Literal['en', 'fr']`	`'en'`

`wx_get_growing_season`

Get growing season dates and frost-free period for a climate station based on 30-year normals.

Use forfinding the last spring frost date, first fall frost date, frost-free period length,

growing season, frost free, frost date, last spring frost, first fall frost,

Parameter	Type	Default
`station_id`	`str`	`required`
`lang`	`Literal['en', 'fr']`	`'en'`

`wx_get_heating_cooling_days`

Get cumulative heating and cooling degree days for energy analysis at a climate station.

Use forheating degree days, cooling degree days, energy consumption analysis, HVAC planning,

heating degree days, cooling degree days, hdd, cdd, energy, hvac, degree days,

Parameter	Type	Default
`station_id`	`str`	`required`
`start_date`	`str \| None`	`None`
`end_date`	`str \| None`	`None`
`lang`	`Literal['en', 'fr']`	`'en'`