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

CW1334 Chester (C1334)

Lat: 48.51253°NLon: 110.96415°WElev: 3133.33ft.

NA

48°F

9°C

Humidity 97%
Wind Speed N 0 MPH
Barometer 30.24 in (1024.04 mb)
Dewpoint 47°F (8°C)
Visibility NA
Last update 15 Aug 07:46 AM MDT
Extended Forecast for

Chester MT

  • Today

    Today: Patchy fog before 9am.  Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 73. Light and variable wind.

    High: 73 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tonight

    Tonight: A slight chance of showers and thunderstorms between 2am and 5am.  Patchy fog after 3am.  Otherwise, partly cloudy, with a low around 48. East southeast wind around 5 mph becoming calm  after midnight.  Chance of precipitation is 20%.

    Low: 48 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms and
    Patchy Fog

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 3pm.  Patchy fog before 9am.  Otherwise, mostly sunny, with a high near 81. Calm wind becoming west around 6 mph in the afternoon.

    High: 81 °F

    Patchy Fog
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight.  Patchy smoke between 7pm and 8pm. Mostly cloudy, with a low around 49. Northwest wind around 6 mph becoming calm  in the evening.  Chance of precipitation is 20%.

    Low: 49 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 81. Calm wind becoming west 5 to 8 mph in the afternoon.

    High: 81 °F

    Partly Sunny

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms, then a chance of showers after 9pm.  Mostly cloudy, with a low around 49. Northwest wind 5 to 7 mph becoming light and variable  after midnight.  Chance of precipitation is 40%.

    Low: 49 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: A 40 percent chance of showers before noon.  Partly sunny, with a high near 76. Calm wind becoming east northeast around 5 mph in the afternoon.

    High: 76 °F

    Chance
    Showers then
    Partly Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 47. North wind around 5 mph becoming calm  after midnight.

    Low: 47 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

Detailed Forecast

Today
Patchy fog before 9am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 73. Light and variable wind.
Tonight
A slight chance of showers and thunderstorms between 2am and 5am. Patchy fog after 3am. Otherwise, partly cloudy, with a low around 48. East southeast wind around 5 mph becoming calm after midnight. Chance of precipitation is 20%.
Sunday
A 20 percent chance of showers and thunderstorms after 3pm. Patchy fog before 9am. Otherwise, mostly sunny, with a high near 81. Calm wind becoming west around 6 mph in the afternoon.
Sunday Night
A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Patchy smoke between 7pm and 8pm. Mostly cloudy, with a low around 49. Northwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 20%.
Monday
Partly sunny, with a high near 81. Calm wind becoming west 5 to 8 mph in the afternoon.
Monday Night
A slight chance of showers and thunderstorms, then a chance of showers after 9pm. Mostly cloudy, with a low around 49. Northwest wind 5 to 7 mph becoming light and variable after midnight. Chance of precipitation is 40%.
Tuesday
A 40 percent chance of showers before noon. Partly sunny, with a high near 76. Calm wind becoming east northeast around 5 mph in the afternoon.
Tuesday Night
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 47. North wind around 5 mph becoming calm after midnight.
Wednesday
Sunny, with a high near 82.
Wednesday Night
Mostly clear, with a low around 50.
Thursday
Sunny, with a high near 83.
Thursday Night
Mostly clear, with a low around 51.
Friday
Mostly sunny, with a high near 85.
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ABOUT THIS FORECAST

 
Point Forecast:
Chester MT
 48.51°N 110.95°W (Elev. 3163 ft)
7:32 am MDT Aug 15, 2026
8am MDT Aug 15, 2026-6pm MDT Aug 21, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database