Fix Weather Widget blade (#1372)

Old blade was failing due to missing items in a metar like below

`SVMC 031703Z AUTO NIL`

resources/views/layouts/default/widgets/weather.blade.php

@@ -33,7 +33,7 @@ https://api.checkwx.com/#metar-decoded
       </td>
      </tr>
     @endif
-    @if($metar['present_weather_report'] <> 'Dry')
+    @if($metar['present_weather_report'] && $metar['present_weather_report'] <> 'Dry')
      <tr>
       <td>Phenomena</td>
       <td>{{ $metar['present_weather_report'] }}</td>
@@ -48,6 +48,7 @@ https://api.checkwx.com/#metar-decoded
       </td>
      </tr>
     @endif
+    @if($metar['temperature'])
       <tr>
         <td>@lang('widgets.weather.temp')</td>
         <td>
@@ -56,10 +57,13 @@ https://api.checkwx.com/#metar-decoded
           @if($metar['humidity']), @lang('widgets.weather.humidity') {{ $metar['humidity'] }}%  @endif
         </td>
       </tr>
+    @endif
+    @if($metar['barometer'])
       <tr>
         <td>@lang('widgets.weather.barometer')</td>
         <td>{{ number_format($metar['barometer']['hPa']) }} hPa / {{ number_format($metar['barometer']['inHg'], 2) }} inHg</td>
       </tr>
+    @endif
     @if($metar['recent_weather_report'])
      <tr>
       <td>Recent Phenomena</td>