check_weather(){
    if [[ -z "$CURRENT_TEMP" || $WEATHER_CHECK_TIMEOUT -gt 3600 ]] ; then
        WEATHER_CHECK_TIMEOUT=0
        CITY_ID=2122641 # Check http://developer.yahoo.com/weather/#req to find out how get ID for your city
        DATA=$(curl -s -G http://weather.yahooapis.com/forecastrss --data-urlencode w=$CITY_ID --data-urlencode u=c)
        CURRENT_TEMP="n/a"
        if [[ -n "$DATA" ]]; then
            CURRENT_TEMP="$(echo "$DATA" | gawk 'BEGIN{RS=" "; FS=" "} /temp=/ { print $0}' | tr -d '[:alpha:][:punct:][:space:]')°C"
        fi
    fi
    ((WEATHER_CHECK_TIMEOUT++))
}