Stuff that is currently planned in future updates:

(This may not be always accurate as the developers can change there decision at anytime. Also i may not always be available to update this discussion)

There is no set deadline for the next update, so its gonna be awhile.
Personal estimate, sometime in December or sometime next year.

Hurricanes: Hurricanes will feature dynamically intensifying and weakening winds as it passes over

One final and massive overhaul to the tornado and weather physics systems. (next update)

Some more particles (next update)

Beaufort scale: Wind of different intensities

Space content such as climate altering meteors, black holes etc (next update)

Volcanoes and geysers and extra space things are planned

extra weapons are planned

Mod API (next update)

Snowstorms and sandstorms (next update?)

Landspouts and Waterspouts (next update)

A spawn able monitor to show the current and future autospawn risk values. (next update)

Powerflashes (probably for gmod lights and lamps) (next update)

The wind visualizer from Rainbow's roblox storm chasing game "RTS: Chasing". Will show a visualization of how strong a tornadoes windspeed is and how big the windfield is. (next update)

Things that might be developed:

Remaking of XTwisters 1 space tornadoes

Floods and Tsunamis

Whirlpools



Things that are not planned:

On behalf of rainbow

"No we are not remaking every particle in the mod to add a single extra detail
No we are not adding a particle from the joke tornadoes or media tornadoes or any other misc tornado category into a separate tornado category
No we not adding stupid ♥♥♥♥
No we are not making a fantasy tornado you alone dream of
No we are not adding your fetish tornado (example, people who believed jarrel was EF3 strength even though it was a F5)
No we are not adding radar, it's useless and ♥♥♥♥♥♥♥ stupid for half a kilometer wide map. You can use your eyes.
No we are not adding some "no gore" / "no copyright" setting, piece of ♥♥♥♥.
No we are not remaking the sounds cause you don't think they sound correct, idiot"

(note i removed some words and replaced them with my own because i am not risking getting banned or triggering anyone, however its just about the same. If you really want to see the original message join the official server)