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

GALENA (GAAM8)

Lat: 46.221°NLon: 112.22853°WElev: 6545.0ft.

NA

55°F

13°C

Humidity 95%
Wind Speed ENE 2 MPH
Barometer NA
Dewpoint 54°F (12°C)
Visibility NA
Last update 15 Aug 10:47 AM MDT
Extended Forecast for

Boulder MT

  • Today

    Today: A 50 percent chance of showers and thunderstorms, mainly after 3pm.  Mostly sunny, with a high near 73. Southeast wind around 6 mph becoming northeast in the afternoon.

    High: 73 °F

    Chance
    T-storms

  • Tonight

    Tonight: Showers and thunderstorms before 1am, then a chance of showers.  Low around 50. East wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 50 °F

    Showers then
    Chance
    Showers

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms, mainly after 2pm.  Partly sunny, with a high near 78. Calm wind becoming west 5 to 7 mph in the afternoon.

    High: 78 °F

    Partly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight, then a slight chance of showers and thunderstorms after midnight.  Mostly cloudy, with a low around 51. Light and variable wind.  Chance of precipitation is 30%.

    Low: 51 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Monday

    Monday: Partly sunny, with a high near 78. Calm wind becoming west northwest 5 to 9 mph in the afternoon.

    High: 78 °F

    Partly Sunny

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight, then showers likely and possibly a thunderstorm after midnight.  Mostly cloudy, with a low around 53. Northwest wind 5 to 7 mph becoming light and variable  after midnight.  Chance of precipitation is 60%.

    Low: 53 °F

    Showers
    Likely

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms after noon.  Partly sunny, with a high near 75. Southwest wind 3 to 8 mph.

    High: 75 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A slight chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 50. West northwest wind 5 to 7 mph becoming calm  in the evening.

    Low: 50 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

Detailed Forecast

Today
A 50 percent chance of showers and thunderstorms, mainly after 3pm. Mostly sunny, with a high near 73. Southeast wind around 6 mph becoming northeast in the afternoon.
Tonight
Showers and thunderstorms before 1am, then a chance of showers. Low around 50. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
A 30 percent chance of showers and thunderstorms, mainly after 2pm. Partly sunny, with a high near 78. Calm wind becoming west 5 to 7 mph in the afternoon.
Sunday Night
A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight, then a slight chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 51. Light and variable wind. Chance of precipitation is 30%.
Monday
Partly sunny, with a high near 78. Calm wind becoming west northwest 5 to 9 mph in the afternoon.
Monday Night
A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight, then showers likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 53. Northwest wind 5 to 7 mph becoming light and variable after midnight. Chance of precipitation is 60%.
Tuesday
A 50 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 75. Southwest wind 3 to 8 mph.
Tuesday Night
A slight chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 50. West northwest wind 5 to 7 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 77.
Wednesday Night
Partly cloudy, with a low around 52.
Thursday
Sunny, with a high near 80.
Thursday Night
Partly cloudy, with a low around 54.
Friday
Sunny, with a high near 84.
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ABOUT THIS FORECAST

 
Point Forecast:
Boulder MT
 46.23°N 112.13°W (Elev. 5200 ft)
10:36 am MDT Aug 15, 2026
11am 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