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

79°F

26°C

Humidity 40%
Wind Speed N 3 MPH
Barometer NA
Dewpoint 53°F (12°C)
Visibility NA
Heat Index79°F (26°C)
Last update 15 Aug 05:00 PM MDT
Extended Forecast for

Chinook MT

  • Tonight

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

    Low: 50 °F

    Partly Cloudy
    then Slight
    Chance
    Showers and
    Patchy Fog

  • Sunday

    Sunday: A slight chance of showers before 7am, then a slight chance of showers and thunderstorms after 5pm.  Patchy fog before 9am.  Otherwise, mostly sunny, with a high near 82. Calm wind becoming west northwest 5 to 7 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, then a slight chance of showers and thunderstorms after midnight.  Mostly cloudy, with a low around 51. West northwest wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 30%.

    Low: 51 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Monday

    Monday: A slight chance of showers between noon and 3pm, then a slight chance of showers and thunderstorms after 3pm.  Partly sunny, with a high near 79. Calm wind becoming northwest around 5 mph in the afternoon.  Chance of precipitation is 20%.

    High: 79 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight, then a chance of showers and thunderstorms after midnight.  Mostly cloudy, with a low around 51. Northwest wind around 6 mph becoming light and variable  in the evening.  Chance of precipitation is 30%.

    Low: 51 °F

    Chance
    Showers

  • Tuesday

    Tuesday: Mostly sunny, with a high near 79. Calm wind becoming east northeast around 6 mph in the afternoon.

    High: 79 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 50. Northwest wind 5 to 7 mph becoming light and variable  after midnight.

    Low: 50 °F

    Chance
    Showers then
    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 84. Calm wind becoming west 5 to 9 mph in the afternoon.

    High: 84 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 20 percent chance of showers after 2am. Patchy fog after 3am. Otherwise, partly cloudy, with a low around 50. Northeast wind around 5 mph becoming light and variable.
Sunday
A slight chance of showers before 7am, then a slight chance of showers and thunderstorms after 5pm. Patchy fog before 9am. Otherwise, mostly sunny, with a high near 82. Calm wind becoming west northwest 5 to 7 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, then a slight chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 51. West northwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.
Monday
A slight chance of showers between noon and 3pm, then a slight chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 79. Calm wind becoming northwest around 5 mph in the afternoon. Chance of precipitation is 20%.
Monday Night
A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight, then a chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 51. Northwest wind around 6 mph becoming light and variable in the evening. Chance of precipitation is 30%.
Tuesday
Mostly sunny, with a high near 79. Calm wind becoming east northeast around 6 mph in the afternoon.
Tuesday Night
A 30 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 50. Northwest wind 5 to 7 mph becoming light and variable after midnight.
Wednesday
Sunny, with a high near 84. Calm wind becoming west 5 to 9 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 52.
Thursday
Sunny, with a high near 85.
Thursday Night
Mostly clear, with a low around 53.
Friday
Sunny, with a high near 88.
Friday Night
A slight chance of showers. Partly cloudy, with a low around 56.
Saturday
Mostly sunny, with a high near 88.
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ABOUT THIS FORECAST

 
Point Forecast:
Chinook MT
 48.6°N 109.23°W (Elev. 2408 ft)
12:32 pm MDT Aug 15, 2026
6pm MDT Aug 15, 2026-6pm MDT Aug 22, 2026
 
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Additional Resources

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