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

CRYSTAL LAKE (CRYM8)

Lat: 46.78942°NLon: 109.51205°WElev: 6050.0ft.

NA

57°F

14°C

Humidity NA
Wind Speed NA NA MPH
Barometer NA
Dewpoint N/A
Visibility NA
Last update NA
Extended Forecast for

16 Miles SSE Lewistown Municipal MT

  • This Afternoon

    This Afternoon: A 20 percent chance of showers. Cloudy, with a high near 61. Southeast wind around 10 mph, with gusts as high as 20 mph.

    High: 61 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before 2am. Mostly cloudy, with a low around 51. Southeast wind 9 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 51 °F

    Showers
    Likely

  • Tuesday

    Tuesday: Showers and thunderstorms before 3pm, then showers likely and possibly a thunderstorm between 3pm and 4pm, then a chance of showers and thunderstorms after 4pm. High near 62. South wind 6 to 9 mph becoming northwest in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 80%.

    High: 62 °F

    Chance
    Showers then
    Showers

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 52. Northwest wind 7 to 10 mph becoming south southwest after midnight. Winds could gust as high as 18 mph.

    Low: 52 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 70. South southwest wind 7 to 10 mph.

    High: 70 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 53. West wind 7 to 11 mph becoming south southwest after midnight.

    Low: 53 °F

    Chance
    T-storms then
    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 67. West wind 7 to 10 mph.

    High: 67 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 53. Northwest wind 5 to 7 mph becoming southwest after midnight.

    Low: 53 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 71.

    High: 71 °F

    Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of showers. Cloudy, with a high near 61. Southeast wind around 10 mph, with gusts as high as 20 mph.
Tonight
Showers and thunderstorms likely, mainly before 2am. Mostly cloudy, with a low around 51. Southeast wind 9 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
Showers and thunderstorms before 3pm, then showers likely and possibly a thunderstorm between 3pm and 4pm, then a chance of showers and thunderstorms after 4pm. High near 62. South wind 6 to 9 mph becoming northwest in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 80%.
Tuesday Night
Mostly clear, with a low around 52. Northwest wind 7 to 10 mph becoming south southwest after midnight. Winds could gust as high as 18 mph.
Wednesday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 70. South southwest wind 7 to 10 mph.
Wednesday Night
A 50 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 53. West wind 7 to 11 mph becoming south southwest after midnight.
Thursday
Sunny, with a high near 67. West wind 7 to 10 mph.
Thursday Night
Mostly clear, with a low around 53. Northwest wind 5 to 7 mph becoming southwest after midnight.
Friday
Sunny, with a high near 71.
Friday Night
Mostly clear, with a low around 58.
Saturday
Sunny, with a high near 77.
Saturday Night
Mostly clear, with a low around 59.
Sunday
Sunny, with a high near 76.
Sunday Night
Partly cloudy, with a low around 60.
Monday
Mostly sunny, with a high near 72.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
16 Miles SSE Lewistown Municipal MT
 46.82°N 109.36°W (Elev. 7425 ft)
Last Update:
4:17 pm MDT Jul 6, 2026
Forecast Valid:
5pm MDT Jul 6, 2026-6pm MDT Jul 13, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation