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 Regional Airport (KHLN)

Lat: 46.60445°NLon: 111.9892°WElev: 3874.0ft.

Mostly Cloudy

66°F

19°C

Humidity 59%
Wind Speed NE 5 MPH
Barometer 30.25 in (1024.38 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 15 Aug 11:35 AM MDT
Extended Forecast for

6 Miles NW Winston MT

  • Today

    Today: Mostly sunny, with a high near 75. East southeast wind around 5 mph becoming light and variable  in the afternoon.

    High: 75 °F

    Mostly Sunny

  • Tonight

    Tonight: Showers and thunderstorms likely before midnight, then a slight chance of showers between midnight and 5am.  Cloudy, then gradually becoming partly cloudy, with a low around 50. Light and variable wind becoming west southwest 5 to 7 mph in the evening.  Chance of precipitation is 70%.

    Low: 50 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Sunday

    Sunday: A slight chance of showers, then a chance of showers and thunderstorms after 3pm.  Patchy fog before 9am.  Otherwise, partly sunny, with a high near 79. Southeast wind around 6 mph becoming north northwest in the afternoon.  Chance of precipitation is 30%.

    High: 79 °F

    Patchy Fog
    then Chance
    T-storms

  • 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. South southeast wind 3 to 5 mph.  Chance of precipitation is 30%.

    Low: 51 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Monday

    Monday: Partly sunny, with a high near 79. South southeast wind around 6 mph becoming west northwest in the afternoon.

    High: 79 °F

    Partly Sunny

  • 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 52. West northwest wind around 7 mph becoming south after midnight.  Chance of precipitation is 50%.

    Low: 52 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms, mainly after noon.  Partly sunny, with a high near 76. South wind 5 to 7 mph becoming west northwest in the afternoon. Winds could gust as high as 18 mph.

    High: 76 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 50. West wind 5 to 7 mph becoming light and variable.

    Low: 50 °F

    Chance
    Showers then
    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 75. East southeast wind around 5 mph becoming light and variable in the afternoon.
Tonight
Showers and thunderstorms likely before midnight, then a slight chance of showers between midnight and 5am. Cloudy, then gradually becoming partly cloudy, with a low around 50. Light and variable wind becoming west southwest 5 to 7 mph in the evening. Chance of precipitation is 70%.
Sunday
A slight chance of showers, then a chance of showers and thunderstorms after 3pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 79. Southeast wind around 6 mph becoming north northwest in the afternoon. Chance of precipitation is 30%.
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. South southeast wind 3 to 5 mph. Chance of precipitation is 30%.
Monday
Partly sunny, with a high near 79. South southeast wind around 6 mph becoming west northwest in the afternoon.
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 52. West northwest wind around 7 mph becoming south after midnight. Chance of precipitation is 50%.
Tuesday
A 40 percent chance of showers and thunderstorms, mainly after noon. Partly sunny, with a high near 76. South wind 5 to 7 mph becoming west northwest in the afternoon. Winds could gust as high as 18 mph.
Tuesday Night
A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 50. West wind 5 to 7 mph becoming light and variable.
Wednesday
Sunny, with a high near 78.
Wednesday Night
Partly cloudy, with a low around 51.
Thursday
Sunny, with a high near 81.
Thursday Night
Partly cloudy, with a low around 53.
Friday
Sunny, with a high near 84.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles NW Winston MT
 46.55°N 111.73°W (Elev. 4308 ft)
10:36 am MDT Aug 15, 2026
11am MDT Aug 15, 2026-6pm MDT Aug 21, 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