Extreme Heat and Tropical Storm Bertha Impacts

Dangerous heat will expand from the Gulf Coast into the Southern Plains and Desert Southwest through week's end. Additional extreme heat impacting the Pacific Northwest will shift to the northern Plains by the weekend. Tropical Storm Bertha is expected to continue to impact portions of the northern Gulf Coast from the western Florida Panhandle to southeastern Louisiana through tonight. Read More >

Current conditions at

TOSTON (TOSM)

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

65°F

18°C

Humidity	80%
Wind Speed	WNW 2 MPH
Barometer	NA
Dewpoint	59°F (15°C)
Visibility	NA
Last update	23 Jul 03:00 AM MDT

More Information:

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

Extended Forecast for

3 Miles NNE Toston MT

Overnight
Low: 61 °F
Slight Chance
T-storms
Thursday
High: 91 °F
Mostly Sunny
then Chance
T-storms
Thursday Night
Low: 63 °F
Chance
T-storms then
Patchy Smoke
Friday
High: 97 °F
Patchy Smoke
Friday Night
Low: 62 °F
Mostly Clear
Saturday
High: 101 °F
Sunny then
Slight Chance
T-storms
Saturday Night
Low: 62 °F
Partly Cloudy
Sunday
High: 97 °F
Hot
Sunday Night
Low: 61 °F
Partly Cloudy

Detailed Forecast

Overnight

A 20 percent chance of showers and thunderstorms before 4am. Partly cloudy, with a low around 61. Light south southeast wind.

Thursday

A 30 percent chance of showers and thunderstorms, mainly after 3pm. Patchy smoke after noon. Mostly sunny, with a high near 91. Light and variable wind becoming south around 6 mph in the morning.

Thursday Night

A 30 percent chance of showers and thunderstorms, mainly before 8pm. Patchy smoke. Partly cloudy, with a low around 63. Northwest wind around 6 mph becoming light and variable after midnight.

Friday

Patchy smoke before 3pm. Sunny and hot, with a high near 97. Light and variable wind becoming west 6 to 11 mph in the morning. Winds could gust as high as 24 mph.

Friday Night

Mostly clear, with a low around 62. Northwest wind 5 to 10 mph becoming east southeast after midnight. Winds could gust as high as 21 mph.

Saturday

A 20 percent chance of showers and thunderstorms after noon. Sunny and hot, with a high near 101. South southeast wind 6 to 11 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 34 mph.

Saturday Night

Partly cloudy, with a low around 62. South wind 11 to 16 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 29 mph.

Sunday

Sunny and hot, with a high near 97. Light and variable wind becoming west southwest 5 to 7 mph in the afternoon. Winds could gust as high as 20 mph.

Sunday Night

Partly cloudy, with a low around 61.

Monday

Sunny, with a high near 93.

Monday Night

Mostly clear, with a low around 61.

Tuesday

Sunny, with a high near 92.