Weather Blog Roiling Poás Volcano The restless Costa Rican volcano sustains a hot, ultra-acidic crater lake that shares similarities to Martian environments. Read More… About Author OTW Observer See author's posts Post navigation Previous BBC Weather forecasts when it will get properly hot again in JuneNext London weather to see temperatures soar to 26C this week after rain dump Related Stories Seeing Blue During Schirmacher’s Summer Melt Season Weather Blog Seeing Blue During Schirmacher’s Summer Melt Season March 30, 2026 NISAR’s View of Mount Rainier Weather Blog NISAR’s View of Mount Rainier March 27, 2026 NISAR Views Mount St. Helens Weather Blog NISAR Views Mount St. Helens March 27, 2026