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