Heavy Rain and Flash Flooding Threat in Montana; Severe Thunderstorms in the Middle Missouri Valley

A low pressure system will bring heavy to excessive rainfall and high winds across Montana this afternoon. Heavy rainfall totals may lead to scattered flash flooding concerns. A line of showers and strong to severe thunderstorms will move into the mid Missouri Valley region this afternoon producing severe winds and isolated large hail with stronger storms. Read More >

3 Hourly Extratropical Storm Surge (ETSS) Maps Thru 96 Hours
All Maps Depict Tidal Departures - Above or Below Normal - in Feet (i.e. surge only)
"Mouse-Over" or Tap Forecast Hour Links to Change Forecast Map; Click on Image for full-size graphic

ETSS 3 Hourly Forecasts
3-Hour	\|	51-Hour
6-Hour	\|	54-Hour
9-Hour	\|	57-Hour
12-Hour	\|	60-Hour
15-Hour	\|	63-Hour
18-Hour	\|	66-Hour
21-Hour	\|	69-Hour
24-Hour	\|	72-Hour
27-Hour	\|	75-Hour
30-Hour	\|	78-Hour
33-Hour	\|	81-Hour
36-Hour	\|	84-Hour
39-Hour	\|	87-Hour
42-Hour	\|	90-Hour
45-Hour	\|	93-Hour
48-Hour	\|	96-Hour
96 Hour ETSS Loop