# Mushroom Forecast — mushroom fruiting forecast (United States) > Daily forecast of mushroom fruiting probability (0–100%) for forest patches around cities in the United States. Data version 2026-09-29. ## Site structure - https://mushroom-forecast.com/: countries - https://mushroom-forecast.com/us/: states and today's hotspots - https://mushroom-forecast.com/us/{state}/: cities in a state, ordered by population, with today's top fruiting probability - https://mushroom-forecast.com/us/{state}/{city}/: forest patches near a city. The first paragraph is a one-sentence summary with real numbers. - https://mushroom-forecast.com/sitemap.xml: sitemap index (one sitemap per state) ## Data - Fruiting probability per forest patch and species is forecast daily based on weather and forest data. - Forest patches come from national forest inventory and land-cover data; public and private land are both included. - A city page lists patches whose weather cell center is within 50 km of the city center; cities without any patch within that distance have no page. - The web shows the free app view: probabilities within 30 km for today and tomorrow. Patches farther away and days 3–15 are listed but locked (🔒); they are available in the app. - Patch locations are given only as distance and compass direction from the city center; coordinates are not published. - Pages are regenerated when a new daily forecast (run date) is published. ## App - https://apps.apple.com/app/id6811841141