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

HARLEM (HRLM)

Lat: 48.54333°NLon: 108.83472°WElev: 2358.0ft.

NA

55°F

13°C

Humidity 98%
Wind Speed W 2 MPH
Barometer NA
Dewpoint 55°F (13°C)
Visibility NA
Last update 15 Aug 07:00 AM MDT
Extended Forecast for

Chinook MT

  • Today

    Today: Mostly sunny, with a high near 75. Light and variable wind.

    High: 75 °F

    Mostly Sunny

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms after 2am.  Patchy fog after 3am.  Otherwise, partly cloudy, with a low around 50. East wind 3 to 5 mph.

    Low: 50 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms and
    Patchy Fog

  • Sunday

    Sunday: A slight chance of showers and thunderstorms before 7am, then a slight chance of showers and thunderstorms after 5pm.  Patchy smoke after 5pm. Patchy fog before 9am.  Otherwise, mostly sunny, with a high near 82. Calm wind becoming west northwest around 6 mph in the afternoon.  Chance of precipitation is 20%.

    High: 82 °F

    Slight Chance
    T-storms and
    Patchy Fog

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight.  Patchy smoke before 11pm. Mostly cloudy, with a low around 51. Northwest wind 5 to 7 mph becoming calm  in the evening.  Chance of precipitation is 30%.

    Low: 51 °F

    Chance
    Showers then
    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 82. Calm wind becoming west 5 to 7 mph in the afternoon.

    High: 82 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 50. Northwest wind 5 to 8 mph becoming light and variable  after midnight.  Chance of precipitation is 50%.

    Low: 50 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after noon.  Partly sunny, with a high near 77. Calm wind becoming north 5 to 7 mph in the morning.  Chance of precipitation is 40%.

    High: 77 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A slight chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 49. North northwest wind 5 to 7 mph becoming light and variable  after midnight.

    Low: 49 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 75. Light and variable wind.
Tonight
A 20 percent chance of showers and thunderstorms after 2am. Patchy fog after 3am. Otherwise, partly cloudy, with a low around 50. East wind 3 to 5 mph.
Sunday
A slight chance of showers and thunderstorms before 7am, then a slight chance of showers and thunderstorms after 5pm. Patchy smoke after 5pm. Patchy fog before 9am. Otherwise, mostly sunny, with a high near 82. Calm wind becoming west northwest around 6 mph in the afternoon. Chance of precipitation is 20%.
Sunday Night
A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Patchy smoke before 11pm. Mostly cloudy, with a low around 51. Northwest wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 82. Calm wind becoming west 5 to 7 mph in the afternoon.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 50. Northwest wind 5 to 8 mph becoming light and variable after midnight. Chance of precipitation is 50%.
Tuesday
A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 77. Calm wind becoming north 5 to 7 mph in the morning. Chance of precipitation is 40%.
Tuesday Night
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 49. North northwest wind 5 to 7 mph becoming light and variable after midnight.
Wednesday
Sunny, with a high near 82.
Wednesday Night
Partly cloudy, with a low around 52.
Thursday
Sunny, with a high near 85.
Thursday Night
Partly cloudy, with a low around 53.
Friday
Sunny, with a high near 87.
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ABOUT THIS FORECAST

 
Point Forecast:
Chinook MT
 48.59°N 109.26°W (Elev. 2408 ft)
7:32 am MDT Aug 15, 2026
8am MDT Aug 15, 2026-6pm MDT Aug 21, 2026
 
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Additional Resources

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