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

Kilo - Harlowton (K1KM)

Lat: 46.5°NLon: 109.8°WElev: 4452.0ft.

Overcast

55°F

13°C

Humidity 93%
Wind Speed NNE 4 MPH
Barometer 30.27 in (1025.06 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 15 Aug 11:29 PM MDT
Extended Forecast for

16 Miles E Harlowton MT

  • Tonight

    Tonight: Showers likely and possibly a thunderstorm before 1am, then a slight chance of showers between 1am and 4am.  Areas of fog after 3am.  Otherwise, mostly cloudy, with a low around 49. West northwest wind around 5 mph becoming calm  after midnight.  Chance of precipitation is 60%.

    Low: 49 °F

    Showers
    Likely and
    Areas Fog

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 2pm.  Patchy fog before 9am.  Otherwise, partly sunny, then gradually becoming sunny, with a high near 83. Light west wind becoming west northwest 5 to 10 mph in the morning.

    High: 83 °F

    Patchy Fog
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms, mainly between 11pm and midnight.  Mostly cloudy, with a low around 51. West northwest wind 6 to 9 mph.

    Low: 51 °F

    Chance
    Showers then
    Partly Cloudy

  • Monday

    Monday: A slight chance of showers and thunderstorms between 3pm and 4pm.  Partly sunny, with a high near 81. Light and variable wind becoming west 5 to 8 mph in the afternoon.  Chance of precipitation is 20%.

    High: 81 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms.  Mostly cloudy, with a low around 51. North wind 5 to 8 mph becoming light and variable  after midnight.  Chance of precipitation is 20%.

    Low: 51 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after noon.  Partly sunny, with a high near 80. West northwest wind 3 to 6 mph.  Chance of precipitation is 40%.

    High: 80 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight.  Mostly cloudy, with a low around 49. Northwest wind 3 to 6 mph.  Chance of precipitation is 30%.

    Low: 49 °F

    Chance
    Showers then
    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 84. West wind 7 to 10 mph.

    High: 84 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 50. West northwest wind 5 to 8 mph.

    Low: 50 °F

    Partly Cloudy

Detailed Forecast

Tonight
Showers likely and possibly a thunderstorm before 1am, then a slight chance of showers between 1am and 4am. Areas of fog after 3am. Otherwise, mostly cloudy, with a low around 49. West northwest wind around 5 mph becoming calm after midnight. Chance of precipitation is 60%.
Sunday
A 20 percent chance of showers and thunderstorms after 2pm. Patchy fog before 9am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 83. Light west wind becoming west northwest 5 to 10 mph in the morning.
Sunday Night
A 30 percent chance of showers and thunderstorms, mainly between 11pm and midnight. Mostly cloudy, with a low around 51. West northwest wind 6 to 9 mph.
Monday
A slight chance of showers and thunderstorms between 3pm and 4pm. Partly sunny, with a high near 81. Light and variable wind becoming west 5 to 8 mph in the afternoon. Chance of precipitation is 20%.
Monday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 51. North wind 5 to 8 mph becoming light and variable after midnight. Chance of precipitation is 20%.
Tuesday
A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 80. West northwest wind 3 to 6 mph. Chance of precipitation is 40%.
Tuesday Night
A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Mostly cloudy, with a low around 49. Northwest wind 3 to 6 mph. Chance of precipitation is 30%.
Wednesday
Sunny, with a high near 84. West wind 7 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 50. West northwest wind 5 to 8 mph.
Thursday
Sunny, with a high near 85. West northwest wind 5 to 8 mph.
Thursday Night
Partly cloudy, with a low around 52. North northwest wind 5 to 10 mph becoming light north after midnight.
Friday
Sunny, with a high near 88. Light and variable wind becoming south 5 to 7 mph in the afternoon.
Friday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 55. East northeast wind 5 to 9 mph.
Saturday
Mostly sunny, with a high near 88. Northwest wind 5 to 9 mph becoming west southwest in the afternoon.
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ABOUT THIS FORECAST

 
Point Forecast:
16 Miles E Harlowton MT
 46.47°N 109.49°W (Elev. 4075 ft)
11:08 pm MDT Aug 15, 2026
11pm MDT Aug 15, 2026-6pm MDT Aug 22, 2026
 
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Additional Resources

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