Outforecast the forecast · US only

Think you know weather? Prove it.

Tornado outbreak bearing down on the Plains. Hurricane track shifting overnight. You already watch it unfold — now put your forecast on the record and see exactly how you stack up against the weather service.

01
Storm Mode Severe weather

When severe weather threatens, Storm Mode goes live. Predict tornado outbreaks days before they happen — starting at Day 3 and narrowing your forecast as the event develops. Hurricane tracks. Winter storms. Your accuracy is tracked against the official forecast, event by event, season by season.

02
Daily Forecast Free to play

Two forecast windows. Morning and evening. Pick your mode — Casual, Standard, or Expert — and call your shot on temperature, precipitation, wind, and more. Your Forecast Accuracy Rating builds over time: a running record of skill, not luck.

03
Head to Head Coming at launch

Challenge another forecaster to a 7-day battle. Same location, same forecast windows, one winner. Your record follows you.

04
Games Quick play

Weather-specific mini-games built from real data. Predict future weather variables for different cities in a rapid-fire High / Low game. Predict a storm's future track in Radar Trace. Plot high and low pressure areas in Isobar. Fast rounds, real meteorology.

Who's building this

30 years of game design. One weather obsession.

RivalWx is built by a Skywarn-trained storm spotter who has spent 30 years designing video, casual, and mobile games. Every scoring system, every leaderboard mechanic, every badge threshold — designed by someone who tracks supercells for fun and ships games for a living.