Make sure button texts are shown in any case.

src/extension.js

@@ -668,6 +668,7 @@ const WeatherMenuButton = new Lang.Class({
             this.parseWeatherCurrent();
         }));
         this._buttonBox1.add_actor(button);
+        this._buttonBox1MinWidth = this._buttonBox1.get_width();
 
 
         this._buttonBox2 = new St.BoxLayout({style_class: 'popup-menu-item'});
@@ -836,7 +837,7 @@ const WeatherMenuButton = new Lang.Class({
     _onOpenStateChanged: function(menu, open) {
         if (open)
         {
-            this._buttonBox1.set_width(this._currentWeather.get_width() - this._buttonBox2.get_width());
+            this._buttonBox1.set_width(Math.max(this._buttonBox1MinWidth,this._currentWeather.get_width() - this._buttonBox2.get_width()));
             if (this._forecastScrollBox !== undefined && this._forecastBox !== undefined && this._currentWeather !== undefined) {
                 this._forecastScrollBox.set_width(this._currentWeather.get_width());
                 this._forecastScrollBox.show();