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

53°F

12°C

Humidity 83%
Wind Speed ESE 2 MPH
Barometer NA
Dewpoint 48°F (9°C)
Visibility NA
Last update 30 May 04:00 AM MDT
Extended Forecast for

Toston MT

  • Overnight

    Overnight: A 20 percent chance of showers before 5am. Cloudy, with a steady temperature around 54. North wind around 6 mph.

    Low: 54 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: Showers and possibly a thunderstorm. High near 63. North northwest wind 6 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 63 °F

    Showers

  • Saturday Night

    Saturday Night: Rain. Low around 43. North wind 7 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 43 °F

    Rain

  • Sunday

    Sunday: Rain. High near 56. North wind 7 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 100%.

    High: 56 °F

    Rain

  • Sunday Night

    Sunday Night: A 40 percent chance of rain, mainly before midnight. Mostly cloudy, with a low around 41. North wind 5 to 8 mph becoming calm after midnight. Winds could gust as high as 18 mph.

    Low: 41 °F

    Chance Rain

  • Monday

    Monday: A slight chance of rain, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 63. Calm wind becoming north northwest around 6 mph in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 40%.

    High: 63 °F

    Slight Chance
    Rain then
    Chance
    T-storms

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Partly cloudy, with a low around 40. North wind 5 to 8 mph becoming calm after midnight. Chance of precipitation is 20%.

    Low: 40 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 68. Calm wind becoming west around 6 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 68 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

Detailed Forecast

Overnight
A 20 percent chance of showers before 5am. Cloudy, with a steady temperature around 54. North wind around 6 mph.
Saturday
Showers and possibly a thunderstorm. High near 63. North northwest wind 6 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday Night
Rain. Low around 43. North wind 7 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Sunday
Rain. High near 56. North wind 7 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 100%.
Sunday Night
A 40 percent chance of rain, mainly before midnight. Mostly cloudy, with a low around 41. North wind 5 to 8 mph becoming calm after midnight. Winds could gust as high as 18 mph.
Monday
A slight chance of rain, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 63. Calm wind becoming north northwest around 6 mph in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 40%.
Monday Night
A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Partly cloudy, with a low around 40. North wind 5 to 8 mph becoming calm after midnight. Chance of precipitation is 20%.
Tuesday
Mostly sunny, with a high near 68. Calm wind becoming west around 6 mph in the afternoon. Winds could gust as high as 20 mph.
Tuesday Night
Partly cloudy, with a low around 42.
Wednesday
Mostly sunny, with a high near 73.
Wednesday Night
A chance of rain and thunderstorms. Mostly cloudy, with a low around 44.
Thursday
A chance of rain and thunderstorms. Partly sunny, with a high near 72.
Thursday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 43.
Friday
Sunny, with a high near 79.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Toston MT
 46.16°N 111.44°W (Elev. 3999 ft)
Last Update:
3:32 am MDT May 30, 2026
Forecast Valid:
4am MDT May 30, 2026-6pm MDT Jun 5, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation