National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Lala Impacting Hawaii; Flash Flooding Risks; Excessive Heat

Lala will continue to impact Hawaii through the weekend. Heavy rainfall, strong winds, dangerous surf and localized flooding are expected. Thunderstorms, heavy rainfall and flash flooding concerns from the mid-Mississippi Valley, Ohio Valley into the central Appalachians and the mid-Atlantic through today. Record heat continues for areas of the Mississippi Valley into the Southeast. Read More >

Current conditions at

Gary Cooper Bridge I-15 MP 242 (MTYEP)

Lat: 47.13948°NLon: 111.85908°WElev: 3427.0ft.

NA

60°F

16°C

Humidity 78%
Wind Speed SSW 3 MPH
Barometer NA
Dewpoint 53°F (12°C)
Visibility NA
Last update 16 Aug 08:15 AM MDT
Extended Forecast for

Cascade MT

  • Today

    Today: A 20 percent chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 85. South southwest wind 5 to 8 mph becoming northwest in the afternoon.

    High: 85 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tonight

    Tonight: A slight chance of showers and thunderstorms between 9pm and 10pm. Partly cloudy, with a low around 51. North wind 5 to 8 mph becoming calm in the evening. Chance of precipitation is 20%.

    Low: 51 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 86. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 86 °F

    Partly Sunny

  • Monday Night

    Monday Night: A slight chance of showers between 7pm and 8pm. Mostly cloudy, with a low around 53. North northeast wind around 6 mph becoming calm in the evening. Chance of precipitation is 20%.

    Low: 53 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Tuesday

    Tuesday: A chance of showers between noon and 3pm, then a chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 85. Calm wind becoming west southwest around 5 mph in the afternoon. Chance of precipitation is 30%.

    High: 85 °F

    Partly Sunny
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Partly cloudy, with a low around 51. South southwest wind 3 to 6 mph. Chance of precipitation is 20%.

    Low: 51 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 87. South southwest wind 6 to 10 mph, with gusts as high as 18 mph.

    High: 87 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 53. West wind 5 to 9 mph becoming light and variable in the evening.

    Low: 53 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 85. South southwest wind 5 to 8 mph becoming northwest in the afternoon.
Tonight
A slight chance of showers and thunderstorms between 9pm and 10pm. Partly cloudy, with a low around 51. North wind 5 to 8 mph becoming calm in the evening. Chance of precipitation is 20%.
Monday
Partly sunny, with a high near 86. Calm wind becoming northwest around 6 mph in the afternoon.
Monday Night
A slight chance of showers between 7pm and 8pm. Mostly cloudy, with a low around 53. North northeast wind around 6 mph becoming calm in the evening. Chance of precipitation is 20%.
Tuesday
A chance of showers between noon and 3pm, then a chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 85. Calm wind becoming west southwest around 5 mph in the afternoon. Chance of precipitation is 30%.
Tuesday Night
A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Partly cloudy, with a low around 51. South southwest wind 3 to 6 mph. Chance of precipitation is 20%.
Wednesday
Sunny, with a high near 87. South southwest wind 6 to 10 mph, with gusts as high as 18 mph.
Wednesday Night
Mostly clear, with a low around 53. West wind 5 to 9 mph becoming light and variable in the evening.
Thursday
Sunny, with a high near 89.
Thursday Night
Mostly clear, with a low around 54.
Friday
Sunny, with a high near 89.
Friday Night
A chance of showers. Partly cloudy, with a low around 56.
Saturday
A chance of showers. Mostly sunny, with a high near 88.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Cascade MT
 47.27°N 111.67°W (Elev. 3399 ft)
Last Update:
6:41 am MDT Aug 16, 2026
Forecast Valid:
8am MDT Aug 16, 2026-6pm MDT Aug 22, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation