Railroad Crossing, look out for the cars. Can you spell that, without any R's ?

It is raining today at 11:59 am. What is the probability of sunny weather after 72 hours?

There are 2 people near the river and both of them want to get on the other side. The boat can only take one of them. But they got across.
How?

Which is heavier: a ton of bricks or a ton of feathers?

By using all numbers, i.e. 123456789 and subtraction/addition, operators number 100 can be formed in many ways.
Example: 98 + 7 + 6 - 5 - 4 - 3 + 2 - 1 = 100

But if we add a condition use of the number 32 is a must. Then there are limited solutions.
One of such solution is: 9 - 8 + 76 + 54 - 32 + 1 = 100

Can you tell me any other solution?

2 ladies and 2 girls need to cross a river in a boat big enough for 1 LADY or 2 girls. How do they do it?

My first is in chocolate but not in ham. My second is in cake and also in jam. My third at tea time is easily found. Altogether, this is a friend who is often around. What is it?

Solve the counting riddle by identifying the number of triangles in the given picture.

What can jump higher than a building?

What are the next two letters in the following series and why?
W A T N T L I T F S _ _

*Hint: Check Puzzle Title