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

Severe Thunderstorms in the Central Plains and Lower Missouri Valley; Heat Continues in the Southeast and Southwest

Severe thunderstorms capable of large hail and damaging wind gusts are forecast to impact the central Plains into the Lower Missouri Valley through this afternoon. Dangerous heat persists across the southern Plains, Southeast U.S. and Puerto Rico this week, and will return to the Southwest today. Read More >

Current conditions at

Yellowstone Club - Base Area (YCBAS)

Lat: 45.23924°NLon: 111.41476°WElev: 7200.0ft.

NA

72°F

22°C

Humidity 30%
Wind Speed NW 7 MPH
Barometer NA
Dewpoint 39°F (4°C)
Visibility NA
Last update 18 Aug 04:00 PM MDT
Extended Forecast for

4 Miles WNW Big Sky MT

  • This Afternoon

    This Afternoon: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 64. West wind around 9 mph, with gusts as high as 22 mph.

    High: 64 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 50 percent chance of showers, mainly before 9pm. Partly cloudy, with a low around 48. West southwest wind 5 to 7 mph becoming light and variable. Winds could gust as high as 22 mph.

    Low: 48 °F

    Chance
    Showers then
    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 68. West southwest wind 5 to 8 mph, with gusts as high as 21 mph.

    High: 68 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 51. West northwest wind 5 to 7 mph becoming light and variable. Winds could gust as high as 20 mph.

    Low: 51 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 72. Light and variable wind becoming west 5 to 7 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 72 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 54. West northwest wind around 6 mph becoming southeast in the evening.

    Low: 54 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 75. Light and variable wind becoming west around 5 mph in the afternoon.

    High: 75 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A slight chance of showers. Mostly cloudy, with a low around 56. Northwest wind 5 to 7 mph becoming southeast in the evening.

    Low: 56 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: A slight chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 69.

    High: 69 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 64. West wind around 9 mph, with gusts as high as 22 mph.
Tonight
A 50 percent chance of showers, mainly before 9pm. Partly cloudy, with a low around 48. West southwest wind 5 to 7 mph becoming light and variable. Winds could gust as high as 22 mph.
Wednesday
Sunny, with a high near 68. West southwest wind 5 to 8 mph, with gusts as high as 21 mph.
Wednesday Night
Mostly clear, with a low around 51. West northwest wind 5 to 7 mph becoming light and variable. Winds could gust as high as 20 mph.
Thursday
Sunny, with a high near 72. Light and variable wind becoming west 5 to 7 mph in the afternoon. Winds could gust as high as 20 mph.
Thursday Night
Partly cloudy, with a low around 54. West northwest wind around 6 mph becoming southeast in the evening.
Friday
Mostly sunny, with a high near 75. Light and variable wind becoming west around 5 mph in the afternoon.
Friday Night
A slight chance of showers. Mostly cloudy, with a low around 56. Northwest wind 5 to 7 mph becoming southeast in the evening.
Saturday
A slight chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 69.
Saturday Night
A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 52.
Sunday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 67.
Sunday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 50.
Monday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 67.
Monday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 52.
Tuesday
A chance of showers and thunderstorms. Partly sunny, with a high near 67.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WNW Big Sky MT
 45.29°N 111.41°W (Elev. 7917 ft)
Last Update:
12:31 pm MDT Aug 18, 2026
Forecast Valid:
5pm MDT Aug 18, 2026-6pm MDT Aug 25, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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