Q2 Can anybody see a way to get current conditions in JSON form?

Yes, for a given station. As per the documentation, use e.g.: https://api.weather.gov/stations/RRWO3/observations/latest which returns

{
    "@context": [
        "https://raw.githubusercontent.com/geojson/geojson-ld/master/c
+ontexts/ge
ojson-base.jsonld",
        {
            "wx": "https://api.weather.gov/ontology#",
            "s": "https://schema.org/",
            "geo": "http://www.opengis.net/ont/geosparql#",
            "unit": "http://codes.wmo.int/common/unit/",
            "@vocab": "https://api.weather.gov/ontology#",
            "geometry": {
                "@id": "s:GeoCoordinates",
                "@type": "geo:wktLiteral"
            },
            "city": "s:addressLocality",
            "state": "s:addressRegion",
            "distance": {
                "@id": "s:Distance",
                "@type": "s:QuantitativeValue"
            },
            "bearing": {
                "@type": "s:QuantitativeValue"
            },
            "value": {
                "@id": "s:value"
            },
            "unitCode": {
                "@id": "s:unitCode",
                "@type": "@id"
            },
            "forecastOffice": {
                "@type": "@id"
            },
            "forecastGridData": {
                "@type": "@id"
            },
            "publicZone": {
                "@type": "@id"
            },
            "county": {
                "@type": "@id"
            }
        }
    ],
    "id": "https://api.weather.gov/stations/RRWO3/observations/2020-04
+-29T12:35:
00+00:00",
    "type": "Feature",
    "geometry": {
        "type": "Point",
        "coordinates": [
            -122.2908,
            45.542200000000001
        ]
    },
    "properties": {
        "@id": "https://api.weather.gov/stations/RRWO3/observations/20
+20-04-29T1
2:35:00+00:00",
        "@type": "wx:ObservationStation",
        "elevation": {
            "value": 9.0999999999999996,
            "unitCode": "unit:m"
        },
        "station": "https://api.weather.gov/stations/RRWO3",
        "timestamp": "2020-04-29T12:35:00+00:00",
        "rawMessage": null,
        "textDescription": "Clear",
        "icon": "https://api.weather.gov/icons/land/night/skc?size=med
+ium",
        "presentWeather": [],
        "temperature": {
            "value": null,
            "unitCode": "unit:degC",
            "qualityControl": "qc:Z"
        },
        "dewpoint": {
            "value": null,
            "unitCode": "unit:degC",
            "qualityControl": "qc:Z"
        },
        "windDirection": {
            "value": null,
            "unitCode": "unit:degree_(angle)",
            "qualityControl": "qc:Z"
        },
        "windSpeed": {
            "value": null,
            "unitCode": "unit:m_s-1",
            "qualityControl": "qc:Z"
        },
        "windGust": {
            "value": null,
            "unitCode": "unit:m_s-1",
            "qualityControl": "qc:Z"
        },
        "barometricPressure": {
            "value": null,
            "unitCode": "unit:Pa",
            "qualityControl": "qc:Z"
        },
        "seaLevelPressure": {
            "value": null,
            "unitCode": "unit:Pa",
            "qualityControl": "qc:Z"
        },
        "visibility": {
            "value": null,
            "unitCode": "unit:m",
            "qualityControl": "qc:Z"
        },
        "maxTemperatureLast24Hours": {
            "value": null,
            "unitCode": "unit:degC",
            "qualityControl": null
        },
        "minTemperatureLast24Hours": {
            "value": null,
            "unitCode": "unit:degC",
            "qualityControl": null
        },
        "precipitationLast3Hours": {
            "value": null,
            "unitCode": "unit:m",
            "qualityControl": "qc:Z"
        },
        "relativeHumidity": {
            "value": null,
            "unitCode": "unit:percent",
            "qualityControl": "qc:C"
        },
        "windChill": {
            "value": null,
            "unitCode": "unit:degC",
            "qualityControl": "qc:V"
        },
        "heatIndex": {
            "value": null,
            "unitCode": "unit:degC",
            "qualityControl": "qc:V"
        },
        "cloudLayers": []
    }
}

[download]

Is that what you meant? Obviously replace RRWO3 with the station of interest.

In reply to Re^3: using a stochastic matrix to simulate weather conditions by hippo
in thread using a stochastic matrix to simulate weather conditions by Aldebaran

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