Heavy Rainfall Continues in Hawaii; Severe Thunderstorms and Heavy Rainfall in the Plains and Southern Appalachians

Areas of gusty winds, heavy rain leading to flash flooding, and high surf continue across portions of Hawaii as Tropical Storm Lala continues to move away from the islands. Severe thunderstorms and heavy rainfall will shift into the southern Appalachians today. Strong to severe thunderstorms may produce large hail, scattered wind gusts, and heavy rain today across the northern and central Plains. Read More >

Current conditions at

HARLEM (HRLM)

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

NA

84°F

29°C

Humidity 34%
Wind Speed ESE 3 MPH
Barometer NA
Dewpoint 52°F (11°C)
Visibility NA
Heat Index82°F (28°C)
Last update 17 Aug 02:00 PM MDT
Extended Forecast for

4 Miles NNE Harlem MT

  • This Afternoon

    This Afternoon: A 30 percent chance of showers and thunderstorms, mainly before 5pm.  Partly sunny, with a high near 79. East northeast wind around 7 mph becoming northwest.

    High: 79 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 3am.  Patchy smoke before 9pm. Patchy fog after 3am.  Otherwise, partly cloudy, with a low around 50. Northwest wind 5 to 7 mph becoming light and variable  after midnight.

    Low: 50 °F

    Slight Chance
    T-storms and
    Patchy Fog

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 3pm.  Patchy smoke after 4pm. Patchy fog before 9am.  Otherwise, mostly sunny, with a high near 82. Calm wind becoming southeast around 6 mph in the morning.

    High: 82 °F

    Patchy Fog
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms, mainly before 7pm.  Patchy smoke. Partly cloudy, with a low around 53. South southwest wind around 6 mph becoming light and variable  after midnight.

    Low: 53 °F

    Chance
    T-storms then
    Patchy Smoke

  • Wednesday

    Wednesday: Patchy smoke before 7am. Sunny, with a high near 86. Light west wind becoming west northwest 9 to 14 mph in the morning. Winds could gust as high as 23 mph.

    High: 86 °F

    Patchy Smoke
    then Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 55. West northwest wind 5 to 13 mph becoming east northeast after midnight. Winds could gust as high as 20 mph.

    Low: 55 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 85. Northeast wind 5 to 9 mph.

    High: 85 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 54. North wind 7 to 11 mph becoming east after midnight. Winds could gust as high as 18 mph.

    Low: 54 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms, mainly before 5pm. Partly sunny, with a high near 79. East northeast wind around 7 mph becoming northwest.
Tonight
A 20 percent chance of showers and thunderstorms before 3am. Patchy smoke before 9pm. Patchy fog after 3am. Otherwise, partly cloudy, with a low around 50. Northwest wind 5 to 7 mph becoming light and variable after midnight.
Tuesday
A 20 percent chance of showers and thunderstorms after 3pm. Patchy smoke after 4pm. Patchy fog before 9am. Otherwise, mostly sunny, with a high near 82. Calm wind becoming southeast around 6 mph in the morning.
Tuesday Night
A 30 percent chance of showers and thunderstorms, mainly before 7pm. Patchy smoke. Partly cloudy, with a low around 53. South southwest wind around 6 mph becoming light and variable after midnight.
Wednesday
Patchy smoke before 7am. Sunny, with a high near 86. Light west wind becoming west northwest 9 to 14 mph in the morning. Winds could gust as high as 23 mph.
Wednesday Night
Partly cloudy, with a low around 55. West northwest wind 5 to 13 mph becoming east northeast after midnight. Winds could gust as high as 20 mph.
Thursday
Sunny, with a high near 85. Northeast wind 5 to 9 mph.
Thursday Night
Mostly clear, with a low around 54. North wind 7 to 11 mph becoming east after midnight. Winds could gust as high as 18 mph.
Friday
Sunny, with a high near 85.
Friday Night
Partly cloudy, with a low around 57.
Saturday
A slight chance of showers. Partly sunny, with a high near 86. Breezy.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 58.
Sunday
Mostly sunny, with a high near 84.
Sunday Night
Partly cloudy, with a low around 54.
Monday
Sunny, with a high near 83.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNE Harlem MT
 48.59°N 108.75°W (Elev. 2598 ft)
12:32 pm MDT Aug 17, 2026
3pm MDT Aug 17, 2026-6pm MDT Aug 24, 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