Lala Approaching Hawaii; Flash Flooding Risks; Excessive Heat

Lala, may become a hurricane, is expected to impact Hawaii this weekend. Heavy rainfall, strong winds, dangerous surf and localized flooding are expected. Heavy rainfall and flash flooding concerns from the mid-Mississippi Valley, Ohio Valley into the central Appalachians continues, with the threat shifting toward the mid-Atlantic later this weekend. Record heat continues for areas of the South. Read More >

Current conditions at

TOSTON (TOSM)

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

NA

52°F

11°C

Humidity 90%
Wind Speed S 1 MPH
Barometer NA
Dewpoint 49°F (9°C)
Visibility NA
Last update 16 Aug 06:00 AM MDT
Extended Forecast for

7 Miles SSE Toston MT

  • Today

    Today: Mostly sunny, with a high near 80. Light and variable wind becoming north around 6 mph in the afternoon.

    High: 80 °F

    Mostly Sunny

  • Tonight

    Tonight: A chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and 10pm.  Mostly cloudy, with a low around 48. North northwest wind around 6 mph becoming calm  in the evening.  Chance of precipitation is 40%.

    Low: 48 °F

    Chance
    Showers then
    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 81. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 81 °F

    Partly Sunny

  • Monday Night

    Monday Night: A 20 percent chance of showers after midnight.  Cloudy, with a low around 50. North wind around 5 mph becoming calm  in the evening.

    Low: 50 °F

    Cloudy then
    Slight Chance
    Showers

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 80. Calm wind becoming west northwest 5 to 7 mph in the afternoon.

    High: 80 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday 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 47. North wind around 6 mph becoming calm  in the evening.  Chance of precipitation is 20%.

    Low: 47 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 82. Calm wind becoming west 5 to 7 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 82 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 49. North northwest wind 5 to 7 mph becoming calm  in the evening.

    Low: 49 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 80. Light and variable wind becoming north around 6 mph in the afternoon.
Tonight
A chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and 10pm. Mostly cloudy, with a low around 48. North northwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 40%.
Monday
Partly sunny, with a high near 81. Calm wind becoming northwest around 6 mph in the afternoon.
Monday Night
A 20 percent chance of showers after midnight. Cloudy, with a low around 50. North wind around 5 mph becoming calm in the evening.
Tuesday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 80. Calm wind becoming west northwest 5 to 7 mph in the afternoon.
Tuesday 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 47. North wind around 6 mph becoming calm in the evening. Chance of precipitation is 20%.
Wednesday
Sunny, with a high near 82. Calm wind becoming west 5 to 7 mph in the afternoon. Winds could gust as high as 20 mph.
Wednesday Night
Partly cloudy, with a low around 49. North northwest wind 5 to 7 mph becoming calm in the evening.
Thursday
Sunny, with a high near 85.
Thursday Night
Partly cloudy, with a low around 52.
Friday
Mostly sunny, with a high near 87.
Friday Night
A chance of showers. Mostly cloudy, with a low around 53.
Saturday
A chance of showers and thunderstorms. Mostly sunny, with a high near 85.
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles SSE Toston MT
 46.1°N 111.4°W (Elev. 3999 ft)
6:41 am MDT Aug 16, 2026
6am MDT Aug 16, 2026-6pm MDT Aug 22, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database