Get-Weather.ps1

<#
.SYNOPSIS
Get Weather of a City

.DESCRIPTION
Fetches Weather report of a City from website - http://wttr.in/ courtsey Igor Chubin [Twitter- @igor_chubin]

.PARAMETER City
Name of City

.PARAMETER Tomorrow
Switch to include tomorrow's Weather report

.PARAMETER DayAfterTomorrow
Switch to include Day after tomorrow's Weather report

.EXAMPLE
Get-Weather  "Los Angles" -Tomorrow -DayAfterTomorrow

.EXAMPLE
'london', 'delhi', 'beijing' | Get-Weather

.NOTES
Blog - Geekeefy.wordpress.com
#>
Function Get-Weather {
    [Alias('Wttr')]
    [Cmdletbinding()]
    Param(
            [Parameter(
                Mandatory = $true,
                HelpMessage = 'Enter name of the City to get weather report',
                ValueFromPipeline = $true,
                Position = 0
            )]
            [ValidateNotNullOrEmpty()]
            [string[]] $City,
            [switch] $Tomorrow,
            [switch] $DayAfterTomorrow
    )

    Process
    {
        Foreach($Item in $City){
            try {

                # Check Operating System Version
                If((Get-WmiObject win32_operatingsystem).caption -like "*Windows 10*") {
                    $Weather = $(Invoke-WebRequest "http://wttr.in/$City" -UserAgent curl).content -split "`n"
                }
                else {
                    $Weather = (Invoke-WebRequest "http://wttr.in/$City").ParsedHtml.body.outerText  -split "`n"
                }

                If($Weather)
                {
                    $Weather[0..16]
                    If($Tomorrow){ $Weather[17..26] }
                    If($DayAfterTomorrow){ $Weather[27..36] }
                }
            }
            catch {
                $_.exception.Message
            }
        }            
    }

}