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

HELENA (HRWM8)

Lat: 46.73167°NLon: 112.01917°WElev: 3800.0ft.

NA

61°F

16°C

Humidity 75%
Wind Speed ESE 3 MPH
Barometer NA
Dewpoint 53°F (12°C)
Visibility NA
Last update 15 Aug 10:53 PM MDT
Extended Forecast for

11 Miles E Canyon Creek MT

  • Tonight

    Tonight: Showers and possibly a thunderstorm before 1am, then a slight chance of showers between 1am and 4am.  Low around 48. Light and variable wind.  Chance of precipitation is 90%.

    Low: 48 °F

    Showers

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms, mainly after 5pm.  Patchy fog before 9am.  Otherwise, mostly sunny, with a high near 81. Calm wind becoming south 5 to 7 mph in the morning.

    High: 81 °F

    Patchy Fog
    then Chance
    Showers

  • 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 50. West northwest wind around 6 mph becoming calm  in the evening.  Chance of precipitation is 30%.

    Low: 50 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Monday

    Monday: Cloudy, then gradually becoming mostly sunny, with a high near 80. Calm wind becoming west 5 to 7 mph in the afternoon.

    High: 80 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight, then a chance of showers and thunderstorms after midnight.  Mostly cloudy, with a low around 51. Southwest wind 3 to 8 mph.  Chance of precipitation is 40%.

    Low: 51 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms after noon.  Partly sunny, with a high near 77. Calm wind becoming west 5 to 7 mph in the afternoon.

    High: 77 °F

    Mostly Sunny
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 48. Northwest wind 5 to 7 mph becoming calm  after midnight.

    Low: 48 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 79. Calm wind becoming west 5 to 8 mph in the afternoon.

    High: 79 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 49.

    Low: 49 °F

    Mostly Clear

Detailed Forecast

Tonight
Showers and possibly a thunderstorm before 1am, then a slight chance of showers between 1am and 4am. Low around 48. Light and variable wind. Chance of precipitation is 90%.
Sunday
A 30 percent chance of showers and thunderstorms, mainly after 5pm. Patchy fog before 9am. Otherwise, mostly sunny, with a high near 81. Calm wind becoming south 5 to 7 mph in the morning.
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 50. West northwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 30%.
Monday
Cloudy, then gradually becoming mostly sunny, with a high near 80. Calm wind becoming west 5 to 7 mph in the afternoon.
Monday Night
A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight, then a chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 51. Southwest wind 3 to 8 mph. Chance of precipitation is 40%.
Tuesday
A 40 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 77. Calm wind becoming west 5 to 7 mph in the afternoon.
Tuesday Night
A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 48. Northwest wind 5 to 7 mph becoming calm after midnight.
Wednesday
Mostly sunny, with a high near 79. Calm wind becoming west 5 to 8 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 49.
Thursday
Sunny, with a high near 82.
Thursday Night
Mostly clear, with a low around 51.
Friday
Sunny, with a high near 86.
Friday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 53.
Saturday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 83.
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles E Canyon Creek MT
 46.82°N 112.03°W (Elev. 4790 ft)
12:32 pm MDT Aug 15, 2026
11pm MDT Aug 15, 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