National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

TOSTON (TOSM)

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

NA

76°F

24°C

Humidity 23%
Wind Speed N 5 MPH
Barometer NA
Dewpoint 36°F (2°C)
Visibility NA
Heat Index77°F (25°C)
Last update 21 Jun 03:00 PM MDT
Extended Forecast for

4 Miles SSE Toston MT

  • Tonight

    Tonight: Mostly cloudy, with a low around 48. North wind 6 to 8 mph.

    Low: 48 °F

    Mostly Cloudy

  • Monday

    Monday: Sunny, with a high near 73. North northwest wind 8 to 15 mph, with gusts as high as 28 mph.

    High: 73 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 44. North wind 11 to 16 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 30 mph.

    Low: 44 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 76. North northeast wind 3 to 5 mph.

    High: 76 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 48. North northeast wind 5 to 9 mph, with gusts as high as 18 mph.

    Low: 48 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 80. Light and variable wind.

    High: 80 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 50. North wind around 6 mph becoming light and variable after midnight.

    Low: 50 °F

    Partly Cloudy

  • Thursday

    Thursday: A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 81. Calm wind becoming west around 5 mph in the afternoon.

    High: 81 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 53.

    Low: 53 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 48. North wind 6 to 8 mph.
Monday
Sunny, with a high near 73. North northwest wind 8 to 15 mph, with gusts as high as 28 mph.
Monday Night
Partly cloudy, with a low around 44. North wind 11 to 16 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 30 mph.
Tuesday
Sunny, with a high near 76. North northeast wind 3 to 5 mph.
Tuesday Night
Partly cloudy, with a low around 48. North northeast wind 5 to 9 mph, with gusts as high as 18 mph.
Wednesday
Sunny, with a high near 80. Light and variable wind.
Wednesday Night
Partly cloudy, with a low around 50. North wind around 6 mph becoming light and variable after midnight.
Thursday
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 81. Calm wind becoming west around 5 mph in the afternoon.
Thursday Night
Mostly cloudy, with a low around 53.
Friday
A slight chance of showers and thunderstorms after noon. Partly sunny, with a high near 82.
Friday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 49.
Saturday
Showers and possibly a thunderstorm. Mostly cloudy, with a high near 66.
Saturday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 42.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 59.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSE Toston MT
 46.15°N 111.41°W (Elev. 3999 ft)
Last Update:
12:32 pm MDT Jun 21, 2026
Forecast Valid:
4pm MDT Jun 21, 2026-6pm MDT Jun 28, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation