8: 'Overcast' - Should be dark like the thunder cloud
9: 'Light rain shower (night)' - Needs a moon instead of a sun, single raindrop
10: 'Light rain shower (day)' - Single raindrop
13: 'Heavy rain shower (night)' - Needs a moon instead of a sun
16: 'Sleet shower (night)' - Needs a moon
17: 'Sleet shower (day)' - Needs a sun
19: 'Hail shower (night)' - Needs a moon
20: 'Hail shower (day)' - Needs a sun
22: 'Light snow shower (night)' - Needs a moon
23: 'Light snow shower (day) - Needs a sun
25: 'Heavy snow shower (night)' - Needs a moon
26: 'Heavy snow shower (day)' - Needs a sun
28: 'Thunder shower (night)' - Needs a moon
Need moar icons for the following: