Active AlertsHelena Valley

What: Flooding caused by excessive rainfall is possible.
Where: The Canyon Ferry Area, Helena Valley, and Meagher County Valleys in Central Montana
When: From 6 PM MDT this evening through Saturday afternoon.
Impacts: Excessive runoff may result in flooding of low-lying and flood-prone locations.
Additional Details: - Showers and thunderstorms capable of producing hourly rainfall rates of between 0.25 inch to 0.5 inch are possible. - Some locations impacted include Helena, Townsend, and White Sulphur Springs - http://www.weather.gov/safety/flood

You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop.