1)It isa lovely day.  
2)There is hardly a cloud in the sky.
3)We havea heat wave. It is25 degrees above zero. 
4)It is very close today. Not a leaf was stirring.
5)There is hardly a breath of air. 
6) the sky is overcast.
7)The sun is going in.
8)  A thunderstorm is coming.
 9)It israining hard.  
10) It is winter. It is cold.
11)There has been a good fall of snow and a hard frost.
12) The ground is covered with snow.
13)There are frost sparkles on the branches, and icicles hang from the houses.
14). There is a wonderful rainbow in the sky!
15) Today is not so foggy as it was yesterday