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

GREENFIELDS (GFMT)

Lat: 47.65833°NLon: 111.8125°WElev: 3820.0ft.

NA

54°F

12°C

Humidity 100%
Wind Speed SSE 0 MPH
Barometer NA
Dewpoint 54°F (12°C)
Visibility NA
Last update 15 Aug 05:00 AM MDT
Extended Forecast for

Sun River MT

  • Today

    Today: Cloudy through mid morning, then gradual clearing, with a high near 77. Light and variable wind becoming east 5 to 10 mph in the afternoon.

    High: 77 °F

    Gradual
    Clearing

  • Tonight

    Tonight: A slight chance of showers and thunderstorms between 9pm and 11pm.  Mostly cloudy, then gradually becoming mostly clear, with a low around 49. East wind 6 to 11 mph becoming light and variable  after midnight.  Chance of precipitation is 20%.

    Low: 49 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: A slight chance of showers between noon and 3pm.  Mostly sunny, with a high near 84. Light and variable wind becoming north northwest around 6 mph in the morning.  Chance of precipitation is 20%.

    High: 84 °F

    Mostly Sunny
    then Slight
    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.  Partly cloudy, with a low around 49. Northeast wind 5 to 7 mph becoming light and variable  after midnight.  Chance of precipitation is 20%.

    Low: 49 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 84. West southwest wind 3 to 7 mph.

    High: 84 °F

    Partly Sunny

  • Monday Night

    Monday Night: A 50 percent chance of showers and thunderstorms, mainly after midnight.  Mostly cloudy, with a low around 50. Northwest wind 5 to 10 mph becoming west southwest after midnight.

    Low: 50 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after noon.  Partly sunny, with a high near 80. Light and variable wind becoming north around 6 mph in the afternoon.  Chance of precipitation is 40%.

    High: 80 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A slight chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 48. North northeast wind around 6 mph becoming light and variable.

    Low: 48 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

Detailed Forecast

Today
Cloudy through mid morning, then gradual clearing, with a high near 77. Light and variable wind becoming east 5 to 10 mph in the afternoon.
Tonight
A slight chance of showers and thunderstorms between 9pm and 11pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 49. East wind 6 to 11 mph becoming light and variable after midnight. Chance of precipitation is 20%.
Sunday
A slight chance of showers between noon and 3pm. Mostly sunny, with a high near 84. Light and variable wind becoming north northwest around 6 mph in the morning. Chance of precipitation is 20%.
Sunday 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 49. Northeast wind 5 to 7 mph becoming light and variable after midnight. Chance of precipitation is 20%.
Monday
Partly sunny, with a high near 84. West southwest wind 3 to 7 mph.
Monday Night
A 50 percent chance of showers and thunderstorms, mainly after midnight. Mostly cloudy, with a low around 50. Northwest wind 5 to 10 mph becoming west southwest after midnight.
Tuesday
A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 80. Light and variable wind becoming north around 6 mph in the afternoon. Chance of precipitation is 40%.
Tuesday Night
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 48. North northeast wind around 6 mph becoming light and variable.
Wednesday
Sunny, with a high near 84.
Wednesday Night
Partly cloudy, with a low around 50.
Thursday
Sunny, with a high near 87.
Thursday Night
Mostly clear, with a low around 51.
Friday
Sunny, with a high near 89.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Sun River MT
 47.54°N 111.72°W (Elev. 3540 ft)
4:22 am MDT Aug 15, 2026
6am MDT Aug 15, 2026-6pm MDT Aug 21, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database