Lala Approaching Hawaii; Flash Flooding Risks; Excessive Heat

Lala, may become a hurricane, is expected to impact Hawaii this weekend. Heavy rainfall, strong winds, dangerous surf and localized flooding are expected. Heavy rainfall and flash flooding concerns from the mid-Mississippi Valley, Ohio Valley into the central Appalachians continues, with the threat shifting toward the mid-Atlantic later this weekend. Record heat continues for areas of the South. Read More >

Current conditions at

MAIN BOULDER (MBRM8)

Lat: 45.45813°NLon: 110.19768°WElev: 5405.0ft.

53°F

12°C

Humidity	100%
Wind Speed	NNW 0 MPH
Barometer	NA
Dewpoint	53°F (12°C)
Visibility	NA
Last update	15 Aug 09:39 PM MDT

More Information:

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

Extended Forecast for

4 Miles NNW Cooke City MT

Tonight
Low: 38 °F
Chance
Showers and
Patchy Fog
Sunday
High: 61 °F
Patchy Fog
then Chance
T-storms
Sunday Night
Low: 40 °F
Chance
T-storms then
Partly Cloudy
Monday
High: 62 °F
Mostly Sunny
then Chance
T-storms
Monday Night
Low: 41 °F
Showers
Tuesday
High: 59 °F
Showers
Likely and
Patchy Fog
Tuesday Night
Low: 38 °F
Chance
Showers then
Slight Chance
Showers and
Patchy Fog
Wednesday
High: 61 °F
Partly Sunny
then Slight
Chance
T-storms
Wednesday Night
Low: 40 °F
Slight Chance
T-storms then
Partly Cloudy

Detailed Forecast

Tonight

A chance of showers and thunderstorms before midnight, then a slight chance of showers between midnight and 3am. Patchy fog. Otherwise, partly cloudy, with a low around 38. West southwest wind 3 to 5 mph. Chance of precipitation is 30%.

Sunday

A 40 percent chance of showers and thunderstorms after noon. Patchy fog before 9am. Otherwise, mostly sunny, with a high near 61. Light west southwest wind becoming west 8 to 13 mph in the morning.

Sunday Night

A chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Mostly cloudy, with a low around 40. West northwest wind 5 to 7 mph becoming light and variable in the evening. Chance of precipitation is 40%.

Monday

A 40 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 62. Light and variable wind becoming west 9 to 14 mph in the morning.

Monday Night

Showers likely and possibly a thunderstorm, then showers after 9pm. Low around 41. West northwest wind 5 to 9 mph becoming light and variable after midnight. Chance of precipitation is 80%.

Tuesday

A chance of showers, then showers likely and possibly a thunderstorm after noon. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 59. Light southwest wind becoming west northwest 9 to 14 mph in the morning. Chance of precipitation is 70%.

Tuesday Night

A chance of showers and thunderstorms before midnight, then a slight chance of showers. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 38. West wind 5 to 8 mph becoming calm in the evening. Chance of precipitation is 50%.

Wednesday

A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 61. Light southwest wind becoming west 6 to 11 mph in the afternoon.

Wednesday Night

A 20 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 40. West wind 5 to 9 mph becoming calm in the evening.

Thursday

A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 64. Light southwest wind becoming west 6 to 11 mph in the afternoon.

Thursday Night

Partly cloudy, with a low around 42. West wind 5 to 9 mph becoming light and variable after midnight.

Friday

A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 68. Light and variable wind becoming west 5 to 9 mph in the afternoon.

Friday Night

A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 44. West northwest wind 5 to 7 mph becoming east southeast after midnight.

Saturday

A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 67. South wind 5 to 13 mph becoming west southwest in the afternoon.