The Weather Monitor System is a five-stage project in ARC Raiders. Its listed requirements total 20 distinct item types, and completing every stage awards an Anemometer backpack charm and 250 Raider Tokens. Project listings give March 31, 2026 as the end date, but current access or a return has not been confirmed by an official game source.
Is the Weather Monitor System still available?
Arc Raiders Guide & Wiki and ARC Raiders Wiki listings both give March 31, 2026 as the project’s end date. They disagree on the start date: one lists January 23, while the other lists February 24. Because the end date has passed and no official game source confirms current access or a return, check the in-game project screen before gathering items specifically for it.
What items do you need for the Weather Monitor System?
Use this stage-by-stage checklist. The quantities below are those shown in the project references.
| Stage | Required hand-ins |
|---|---|
| Atmospheric Pressure | 25 Plastic Parts; 15 Metal Parts; 5 ARC Alloy; 3 Oil |
| Sunlight | 1 Snitch Scanner; 3 Wires; 3 Sensors; 1 Comet Igniter |
| Precipitation | 5 ARC Powercells; 5 Canisters; 5 Steel Springs; 1 Fine Wristwatch |
| Humidity | 10 Duct Tape; 3 Rusted Bolts; 1 Water Pump; 3 Wasp Drivers |
| Temperature | 3 Camera Lenses; 1 Damaged Heat Sink; 1 Firefly Burner; 3 Voltage Converters |
What are the Weather Monitor System rewards?
The ARC Raiders Hub listing gives the following rewards for each stage. Item names are reproduced from that listing; check the current in-game localization if comparing against your inventory.
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| Stage | Listed stage rewards |
|---|---|
| Atmospheric Pressure | 5 Durable Cloth; 5 Great Mullein; 5 Antiseptic; 3 Vita Shot |
| Sunlight | 10 Processors; 5 Advanced Electrical Components; 3 Ziplines; 1 Raider Hatch Key |
| Precipitation | 3 Medium Gun Parts; 2 Complex Gun Parts; 3 Advanced Mechanical Components; 1 Renegade III |
| Humidity | 10 Explosive Compound; 3 Showstopper; 3 Trailblazer; 1 Extended Barrel III |
| Temperature | 1 Medium Shield; 5 Surge Shield Rechargers; 3 Sterilized Bandages; 1 Tactical Mk. 3 (Revival) |
| Complete all five stages | 1 Anemometer backpack charm; 250 Raider Tokens |
How should you plan your hand-ins?
A Steam Community guide cautions that submitted items are consumed and that later-stage requirements may not appear until you finish the current stage. Treat the checklist as a planning aid: set aside the required hand-ins first, but keep the supplies you need for your own runs. This is community-guide advice, not a guarantee about how the interface behaves in every version.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Where can you look for a Fine Wristwatch?
PC Gamer recommends searching Commercial and Residential loot areas. It also suggests checking bird nests on Buried City rooftops when the Bird City map condition is active, including around Town Hall and Santa Maria Houses. These are search suggestions, not guaranteed spawns. Exact drop rates and guaranteed locations for the required items are not established, so there is no verified route or completion-time estimate.
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- Capture and Tame Dinosaurs: Discover over 100 different dinosaurs and prehistoric creatures on the island, finding ways to tame them into useful additions for your tribe's dyno herd
- Survive Above All: Hunger, thirst, basic safety, and protecting yourself from the weather are all part of the game
- Harvest, Hunt and Build: Cut down trees and turn them into a basic home, which you can quickly expand into a Jurassic estate. Hunt for meat, scavenge for plants (or start your own garden!)
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- Explore the Island: Solve the mystery of The ARK as you explore this massive island, discovering Explorer's Notebooks (filled with clues!) throughout
