weather2-1.8.9-2.3.11.jar is a release file of the Minecraft mod Weather, Storms & Tornadoes, made for Minecraft 1.8.9. It was published on February 7, 2016 and is 2 MB in size. For the full description, screenshots and every other version, visit the Weather, Storms & Tornadoes mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.