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

FISHTAIL (FSLM8)

Lat: 45.45806°NLon: 109.57139°WElev: 4550.0ft.

NA

50°F

10°C

Humidity 92%
Wind Speed W 5 MPH
Barometer NA
Dewpoint 48°F (9°C)
Visibility NA
Wind Chill48°F (9°C)
Last update 15 Aug 06:22 AM MDT
Extended Forecast for

2 Miles E Roscoe MT

  • Today

    Today: A 50 percent chance of showers and thunderstorms, mainly after 1pm.  Partly sunny, with a high near 72. Calm wind becoming east around 6 mph in the afternoon.

    High: 72 °F

    Partly Sunny
    then Chance
    T-storms

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms, mainly before 11pm.  Mostly cloudy, with a low around 53. Southeast wind around 6 mph becoming light and variable  after midnight.

    Low: 53 °F

    Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms, mainly between noon and 3pm.  Mostly sunny, with a high near 78. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 78 °F

    Sunny then
    Chance
    Showers

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight.  Mostly cloudy, with a low around 54. Southwest wind 5 to 7 mph.  Chance of precipitation is 20%.

    Low: 54 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms after noon.  Partly sunny, with a high near 80. Southwest wind around 6 mph becoming calm.

    High: 80 °F

    Partly Sunny
    then Chance
    T-storms

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a low around 56. West southwest wind around 6 mph.  Chance of precipitation is 70%.

    Low: 56 °F

    Showers
    Likely

  • Tuesday

    Tuesday: A chance of showers, then showers likely and possibly a thunderstorm after noon.  Mostly cloudy, with a high near 75. West southwest wind 5 to 7 mph becoming north northwest in the afternoon.  Chance of precipitation is 70%.

    High: 75 °F

    Chance
    Showers then
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 52. North northwest wind around 6 mph becoming light and variable  after midnight.

    Low: 52 °F

    Chance
    Showers then
    Mostly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 78. Calm wind becoming northeast around 5 mph in the afternoon.

    High: 78 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

Today
A 50 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 72. Calm wind becoming east around 6 mph in the afternoon.
Tonight
A 50 percent chance of showers and thunderstorms, mainly before 11pm. Mostly cloudy, with a low around 53. Southeast wind around 6 mph becoming light and variable after midnight.
Sunday
A 30 percent chance of showers and thunderstorms, mainly between noon and 3pm. Mostly sunny, with a high near 78. Calm wind becoming northwest around 5 mph in the afternoon.
Sunday Night
A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Mostly cloudy, with a low around 54. Southwest wind 5 to 7 mph. Chance of precipitation is 20%.
Monday
A 30 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 80. Southwest wind around 6 mph becoming calm.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 56. West southwest wind around 6 mph. Chance of precipitation is 70%.
Tuesday
A chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 75. West southwest wind 5 to 7 mph becoming north northwest in the afternoon. Chance of precipitation is 70%.
Tuesday Night
A 50 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 52. North northwest wind around 6 mph becoming light and variable after midnight.
Wednesday
A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 78. Calm wind becoming northeast around 5 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 54. East northeast wind around 6 mph becoming southwest after midnight.
Thursday
Sunny, with a high near 82. Light and variable wind becoming east northeast around 6 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 56. East northeast wind around 6 mph becoming southwest after midnight.
Friday
Mostly sunny, with a high near 85. Calm wind becoming east around 6 mph in the afternoon.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles E Roscoe MT
 45.36°N 109.44°W (Elev. 5200 ft)
12:58 am MDT Aug 15, 2026
6am MDT Aug 15, 2026-6pm MDT Aug 21, 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