Heavy Rainfall and Flooding Threats in the Midwest and Ohio Valley; Heat Continues in the Plains and Southeast

An active pattern will continue to bring heavy to excessive rainfall and flash flooding threats to the Midwest and Ohio Valley over the next couple of days. Dangerous heat continues across the central/southern Plains and Southeast U.S. into next week. There is potential for record-tying/breaking temperatures with many areas forecast to see their hottest temperatures so far this year. Read More >

Hazardous Weather Conditions

Flash Flood Watch until August 14, 12:00 AM MDT

Current conditions at

BOULDER MOUNTAIN (BOMM8)

Lat: 46.5596°NLon: 111.28973°WElev: 7950.0ft.

48°F

9°C

Humidity	NA
Wind Speed	NA NA MPH
Barometer	NA
Dewpoint	N/A
Visibility	NA
Last update	NA

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

15 Miles NNE Winston MT

Flash Flood Watch August 13, 10:35pm until August 14, 12:00am

Click here for hazard details and duration

Flash Flood Watch

Flash Flood Watch August 13, 10:35pm until August 14, 12:00am
NOW until 12:00am Fri
Flash Flood Watch
Tonight
Low: 54 °F
Showers
Likely
Friday
High: 58 °F
Chance
Showers then
Showers
Likely
Friday Night
Low: 49 °F
Showers
Likely then
Chance
Showers
Saturday
High: 67 °F
Mostly Sunny
Saturday Night
Low: 52 °F
Slight Chance
T-storms then
Partly Cloudy
Sunday
High: 68 °F
Sunny
Sunday Night
Low: 53 °F
Slight Chance
T-storms then
Mostly Cloudy
Monday
High: 68 °F
Partly Sunny
then Chance
Showers

Detailed Forecast

Tonight

Showers likely and possibly a thunderstorm. Cloudy, with a steady temperature around 54. Northeast wind around 7 mph becoming west northwest in the evening. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Friday

Showers and thunderstorms likely, mainly before 3pm, then showers likely and possibly a thunderstorm after 4pm. Patchy smoke after noon. Mostly cloudy, with a high near 58. Northwest wind around 6 mph becoming northeast in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Friday Night

Showers and thunderstorms likely before 2am, then a slight chance of showers between 2am and 3am. Mostly cloudy, with a low around 49. Northeast wind around 6 mph becoming calm in the evening. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

Saturday

Mostly sunny, with a high near 67. Calm wind becoming south southwest around 5 mph.

Saturday Night

A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Mostly cloudy, with a low around 52. South wind 3 to 5 mph. Chance of precipitation is 20%.

Sunday

Sunny, with a high near 68. South southeast wind around 6 mph becoming west southwest in the afternoon.

Sunday Night

A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 53. West wind around 5 mph becoming light and variable.

Monday

A chance of showers and thunderstorms after noon. Partly sunny, with a high near 68. South southeast wind around 6 mph becoming west southwest in the afternoon.

Monday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 52.

Tuesday

A slight chance of showers, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 65.

Tuesday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 51.

Wednesday

A slight chance of showers. Mostly sunny, with a high near 66.

Wednesday Night

A slight chance of showers. Partly cloudy, with a low around 51.

Thursday

A slight chance of showers. Mostly sunny, with a high near 67.