Lala Impacting Hawaii; Severe Thunderstorm and Flash Flooding Risks; Excessive Heat

Areas of gusty winds, heavy rain leading to flash flooding, and high surf continue across portions of Hawaii as Tropical Storm Lala continues to move away from the islands. Severe thunderstorm, heavy rainfall, and flash flooding threats continue from the Midwest to the Mid-Atlantic and across the central High Plains. Record heat continues for areas of the central/southern Plain into the Southeast Read More >

Current conditions at

TOSTON (TOSM)

Lat: 46.12222°NLon: 111.49472°WElev: 4058.0ft.

55°F

13°C

Humidity	86%
Wind Speed	ESE 3 MPH
Barometer	NA
Dewpoint	51°F (11°C)
Visibility	NA
Last update	17 Aug 02:00 AM MDT

More Information:

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

Extended Forecast for

5 Miles N Trident MT

Overnight
Low: 53 °F
Mostly Cloudy
Monday
High: 76 °F
Partly Sunny
then Slight
Chance
T-storms
Monday Night
Low: 56 °F
Slight Chance
T-storms then
Slight Chance
Showers
Tuesday
High: 75 °F
Mostly Sunny
then Slight
Chance
T-storms
Tuesday Night
Low: 51 °F
Chance
Showers then
Partly Cloudy
Wednesday
High: 78 °F
Sunny
Wednesday Night
Low: 52 °F
Mostly Clear
Thursday
High: 84 °F
Sunny
Thursday Night
Low: 55 °F
Partly Cloudy

Detailed Forecast

Overnight

Mostly cloudy, with a low around 53. South wind around 6 mph.

Monday

A 20 percent chance of showers and thunderstorms after 3pm. Mostly cloudy, with a high near 76. Light and variable wind becoming north northwest 5 to 8 mph in the afternoon.

Monday Night

A slight chance of showers and thunderstorms before midnight, then a slight chance of showers after 1am. Mostly cloudy, with a low around 56. Northwest wind 5 to 8 mph becoming light and variable. Chance of precipitation is 20%.

Tuesday

A 20 percent chance of showers and thunderstorms after 2pm. Mostly cloudy through mid morning, then becoming sunny, with a high near 75. Light and variable wind becoming north 5 to 8 mph in the afternoon. Winds could gust as high as 21 mph.

Tuesday Night

A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Partly cloudy, with a low around 51. North northwest wind 5 to 7 mph becoming light and variable after midnight. Chance of precipitation is 30%.

Wednesday

Sunny, with a high near 78. Light and variable wind becoming west around 6 mph in the afternoon. Winds could gust as high as 18 mph.

Wednesday Night

Mostly clear, with a low around 52. North northwest wind 5 to 8 mph becoming calm after midnight. Winds could gust as high as 18 mph.

Thursday

Sunny, with a high near 84. Light and variable wind.

Thursday Night

Partly cloudy, with a low around 55.

Friday

Mostly sunny, with a high near 85.

Friday Night

A slight chance of showers. Mostly cloudy, with a low around 56.