I find the weather script that comes with Indigo a bit lacking, and at times a little slow. Also, I prefer using the weather feed from Yahoo since it matches up to the weather widget in my dashboard.

You’ll first need to get the right parameter for your local weather. Go to Yahoo Weather and type in your city/zip code. Just look at the URL and you should have something like: http://weather.yahoo.com/forecast/USGA0028.html

Grab what comes after ‘forecast/’ and before ‘.html’ and replace ‘USGA0028′ in the script below.

property fetchTimeout : 15 -- don't wait for query response for more than 15 seconds...

try
    with timeout of fetchTimeout seconds
        do shell script "curl -s 'http://xml.weather.yahoo.com/forecastrss?p=USGA0028' | grep -E '(<yweather:condition|/\\>)' | sed -e 's/^.*temp=\"//' -e 's/\".*$//'"
        set temperature to result

        do shell script "curl -s 'http://xml.weather.yahoo.com/forecastrss?p=USGA0028' | grep -E '(<yweather:condition|/\\>)' | sed -e 's/^.*text=\"//' -e 's/\".*$//'"
        set conditions to result

        do shell script "curl -s 'http://xml.weather.yahoo.com/forecastrss?p=USGA0028' | grep -E '(<yweather:forecast day=\"|/\\>)' | sed -e 's/^.*high=\"//' -e 's/\".*$//' -e 'q'"
        set high to result

        do shell script "curl -s 'http://xml.weather.yahoo.com/forecastrss?p=USGA0028' | grep -E '(<yweather:forecast day=\"|/\\>)' | sed -e 's/^.*low=\"//' -e 's/\".*$//' -e 'q'"
        set low to result

        tell application "IndigoServer"
            if not (variable "weatherTemperature" exists) then
                make new variable with properties {name:"weatherTemperature", value:temperature}
            else
                if value of variable "weatherTemperature" is not temperature then
                    set value of variable "weatherTemperature" to temperature
                end if
            end if

            if not (variable "weatherConditions" exists) then
                make new variable with properties {name:"weatherConditions", value:conditions}
            else
                if value of variable "weatherConditions" is not conditions then
                    set value of variable "weatherConditions" to conditions
                end if
            end if

            if not (variable "weatherTemperatureHigh" exists) then
                make new variable with properties {name:"weatherTemperatureHigh", value:high}
            else
                if value of variable "weatherTemperatureHigh" is not high then
                    set value of variable "weatherTemperatureHigh" to high
                end if
            end if

            if not (variable "weatherTemperatureLow" exists) then
                make new variable with properties {name:"weatherTemperatureLow", value:low}
            else
                if value of variable "weatherTemperatureLow" is not low then
                    set value of variable "weatherTemperatureLow" to low
                end if
            end if
        end tell
    end timeout
end try

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