Add unknown weather data flag

inc/Feed.php

@@ -237,11 +237,14 @@ class Feed extends PhpObject {
 			$sWeatherCond = $asWeather['currentConditions']['conditions'];
 			$sWeatherTemp = $asWeather['currentConditions']['temp'];
 		}
-		else {													//Daily Conditions
+		elseif($asWeather['days'][0]['icon'] != '') {			//Daily Conditions
 			$sWeatherIcon = $asWeather['days'][0]['icon'];
 			$sWeatherCond = $asWeather['days'][0]['conditions'];
 			$sWeatherTemp = $asWeather['days'][0]['temp'];
 		}
+		else {
+			$sWeatherIcon = 'unknown';
+		}
 
 		//Get Condition ID
 		$sCondKey = (new Translator(self::WEATHER_PARAM['lang']))->getTranslationKey($sWeatherCond);