Snow that has recently fallen
Fresh snow
Very heavy rain
Torrential rain / raining cats and dogs
When a lot of snow falls
Heavy snow
Fog-like cloud caused by pollution
Smog
Very light rain
Drizzle
If fine weather continues (4 words starting with IF)
If the weather holds
Mixture of rain and snow (1 word)
Sleet
A single particle of snow
Snowflake
Pieces of ice falling from the sky
Hail
Light wind
Breeze
A storm of very heavy snow and wind (1 word)
Blizzard
Very cloudy with no sun visible
Overcast
A sudden strong blast of wind
Gust
Gentle, not harsh or extreme weather or climate
mild weather/climate
Weather that often changes
Changeable
overed in ice, slippery because of ice
icy
A period of very hot weather
A heatwave
A very strong wind
Gale
A very hot day
Scorcher
a prediction of what the weather is likely to be, broadcast on TV/radio programmes and printed in newspapers.
Weather forcast
Time of the year characterized by certain weather.
Season
Unpleasant or bad weather
Horrid / foul weather
Very light snowfall (1 word)
Flurry
A long period with no rainfall
Drought