HomeNews Severe thunderstorm watch in effect until 10 p.m. Monday By The Perry News - September 20, 2021 0 478 FacebookTwitterPinterestWhatsApp The National Weather Service office in Johnston has issued a severe thunderstorm watch until 10 p.m. for the Perry area and most of the eastern two-thirds of Iowa. ThePerryNews.com will update this weather story as forecasts evolve.