National Weather Service

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SCN26-50: Discontinuation of the State Forecast Product (SFP) for all NWS Central Region, Southern Region, and Western Region Offices: Effective June 29, 2026
The Regional Temperatures and Precipitation Product for the State of Montana (RTPMT) will now be discontinued on July 7, 2026.

Current conditions at

TOSTON (TOSM)

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

53°F

12°C

Humidity	78%
Wind Speed	SE 1 MPH
Barometer	NA
Dewpoint	46°F (8°C)
Visibility	NA
Last update	20 Jun 04:00 AM MDT

More Information:

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

Extended Forecast for

6 Miles SSE Toston MT

Today
High: 78 °F
Mostly Cloudy
then Chance
T-storms
Tonight
Low: 47 °F
Chance
T-storms then
Partly Cloudy
Sunday
High: 77 °F
Sunny
Sunday Night
Low: 44 °F
Partly Cloudy
Monday
High: 72 °F
Mostly Sunny
Monday Night
Low: 41 °F
Mostly Clear
Tuesday
High: 79 °F
Sunny
Tuesday Night
Low: 45 °F
Partly Cloudy
Wednesday
High: 85 °F
Sunny

Detailed Forecast

Today

A 40 percent chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 78. Light and variable wind becoming west 5 to 9 mph in the morning.

Tonight

A 40 percent chance of showers and thunderstorms before midnight. Cloudy, then gradually becoming partly cloudy, with a low around 47. South wind 3 to 8 mph.

Sunday

Sunny, with a high near 77. Light and variable wind becoming north 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

Sunday Night

Partly cloudy, with a low around 44. North wind 7 to 14 mph, with gusts as high as 28 mph.

Monday

Mostly sunny, with a high near 72. North northwest wind 6 to 10 mph, with gusts as high as 23 mph.

Monday Night

Mostly clear, with a low around 41. North wind 6 to 11 mph becoming light north northeast after midnight. Winds could gust as high as 24 mph.

Tuesday

Sunny, with a high near 79. Light and variable wind.

Tuesday Night

Partly cloudy, with a low around 45. East northeast wind 3 to 6 mph.