Thunderstorms and Heavy Rain in the Mid-South; Heat Continues in the Southeast and Southwest

Severe thunderstorms and heavy rain are expected across portions of the mid-Mississippi Valley into the Ohio Valley and portions of Arizona. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that, when combined with oppressive dew points, little-to-no relief from the scorching daytime highs will be available. Read More >

Current conditions at

TOSTON (TOSM)

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

NA

54°F

12°C

Humidity 77%
Wind Speed SE 2 MPH
Barometer NA
Dewpoint 47°F (8°C)
Visibility NA
Last update 19 Aug 03:00 AM MDT
Extended Forecast for

4 Miles SSE Toston MT

  • Today

    Today: Sunny, with a high near 84. South southeast wind around 6 mph becoming light and variable.

    High: 84 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 50. North wind 5 to 7 mph becoming light and variable.

    Low: 50 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 89. Southeast wind around 5 mph becoming light and variable.

    High: 89 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 54. North wind around 6 mph becoming calm  in the evening.

    Low: 54 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 89. Light and variable wind.

    High: 89 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 56. North northeast wind around 6 mph becoming east southeast after midnight.

    Low: 56 °F

    Mostly Cloudy

  • Saturday

    Saturday: A slight chance of showers, then a chance of showers and thunderstorms after noon.  Partly sunny, with a high near 86. Southeast wind 5 to 7 mph becoming west southwest in the afternoon. Winds could gust as high as 18 mph.  Chance of precipitation is 30%.

    High: 86 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 54. West southwest wind 5 to 8 mph becoming south after midnight. Winds could gust as high as 20 mph.

    Low: 54 °F

    Chance
    Showers then
    Partly Cloudy

  • Sunday

    Sunday: A slight chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 84.

    High: 84 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

Detailed Forecast

Today
Sunny, with a high near 84. South southeast wind around 6 mph becoming light and variable.
Tonight
Mostly clear, with a low around 50. North wind 5 to 7 mph becoming light and variable.
Thursday
Sunny, with a high near 89. Southeast wind around 5 mph becoming light and variable.
Thursday Night
Mostly clear, with a low around 54. North wind around 6 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 89. Light and variable wind.
Friday Night
Mostly cloudy, with a low around 56. North northeast wind around 6 mph becoming east southeast after midnight.
Saturday
A slight chance of showers, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 86. Southeast wind 5 to 7 mph becoming west southwest in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 30%.
Saturday Night
A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 54. West southwest wind 5 to 8 mph becoming south after midnight. Winds could gust as high as 20 mph.
Sunday
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 84.
Sunday Night
Partly cloudy, with a low around 51.
Monday
Sunny, with a high near 84.
Monday Night
Mostly cloudy, with a low around 52.
Tuesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 84.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSE Toston MT
 46.12°N 111.41°W (Elev. 4006 ft)
4:16 am MDT Aug 19, 2026
4am MDT Aug 19, 2026-6pm MDT Aug 25, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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