NWS Forecast Office Billings, MT

There is a Slight Risk (level 2 out of 5) for Scattered Severe Thunderstorms in east-central Montana on Sunday, June 30. There are two potential timeframes for convective development, one being an isolated round in the east in the early afternoon to evening hours. The second round is associated with a cold front and will impact the forecast area in the early evening to midnight timeframe. Primary risks are wind and hail, with a secondary risk for heavy rainfall.