Thunderstorms and Heavy Rainfall in the Plains; Hazardous Heat in the South and Southeast

Severe thunderstorms will be possible across the northern/central Plains through Tuesday afternoon and from the central Plains to the Mid-Mississippi Valley Tuesday evening through Wednesday morning. Storms may produce large hail and damaging wind gusts, and heavy rainfall may lead to scattered instances of flash flooding. Meanwhile, hazardous heat persists across the South and Southeast. Read More >

Current conditions at

TOSTON (TOSM)

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

NA

61°F

16°C

Humidity 75%
Wind Speed NE 3 MPH
Barometer NA
Dewpoint 53°F (12°C)
Visibility NA
Last update 18 Aug 03:00 AM MDT
Extended Forecast for

Toston MT

  • Today

    Today: A 30 percent chance of showers and thunderstorms, mainly after 2pm.  Partly sunny, with a high near 79. Calm wind becoming east southeast 5 to 8 mph in the afternoon.

    High: 79 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers, mainly before 8pm.  Mostly cloudy, then gradually becoming mostly clear, with a low around 51. South southeast wind 5 to 7 mph becoming calm.

    Low: 51 °F

    Chance
    Showers then
    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 83. Calm wind becoming north northwest 5 to 9 mph in the afternoon. Winds could gust as high as 22 mph.

    High: 83 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 52. North wind 5 to 9 mph becoming calm  in the evening. Winds could gust as high as 21 mph.

    Low: 52 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 87. Calm wind becoming west northwest around 5 mph in the afternoon.

    High: 87 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 55. Northeast wind 3 to 7 mph.

    Low: 55 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 88. Light and variable wind.

    High: 88 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 57. North northeast wind around 5 mph becoming southeast after midnight.

    Low: 57 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Saturday

    Saturday: A slight chance of showers and thunderstorms after noon.  Partly sunny, with a high near 86.

    High: 86 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms, mainly after 2pm. Partly sunny, with a high near 79. Calm wind becoming east southeast 5 to 8 mph in the afternoon.
Tonight
A 30 percent chance of showers, mainly before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 51. South southeast wind 5 to 7 mph becoming calm.
Wednesday
Sunny, with a high near 83. Calm wind becoming north northwest 5 to 9 mph in the afternoon. Winds could gust as high as 22 mph.
Wednesday Night
Mostly clear, with a low around 52. North wind 5 to 9 mph becoming calm in the evening. Winds could gust as high as 21 mph.
Thursday
Sunny, with a high near 87. Calm wind becoming west northwest around 5 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 55. Northeast wind 3 to 7 mph.
Friday
Mostly sunny, with a high near 88. Light and variable wind.
Friday Night
A slight chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 57. North northeast wind around 5 mph becoming southeast after midnight.
Saturday
A slight chance of showers and thunderstorms after noon. Partly sunny, with a high near 86.
Saturday Night
A slight chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 55.
Sunday
A slight chance of showers. Sunny, with a high near 83.
Sunday Night
Partly cloudy, with a low around 53.
Monday
Sunny, with a high near 84.
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ABOUT THIS FORECAST

 
Point Forecast:
Toston MT
 46.16°N 111.44°W (Elev. 3999 ft)
3:21 am MDT Aug 18, 2026
4am MDT Aug 18, 2026-6pm MDT Aug 24, 2026
 
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Additional Resources

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