Remnants of Arthur and Heavy Rainfall Across the South; Fire Weather Threat in the West

Life-threatening, potentially catastrophic flash flooding expected along the central Gulf Coast as the remnants of Arthur track across the area. Isolated brief tornadoes and damaging gusts remain possible overnight in the Southeast. Isolated to scattered dry thunderstorms may cause lightning-ignited fires and erratic behavior due to gusty winds across parts of the West Friday. Read More >

Current conditions at

Big Timber Airport (K6S0)

Lat: 45.80647°NLon: 109.97826°WElev: 4494.0ft.

Partly Cloudy

54°F

12°C

Humidity 66%
Wind Speed ENE 5 MPH
Barometer 30.16 in (1021.34 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 18 Jun 09:35 PM MDT
Extended Forecast for

14 Miles SW Melville MT

  • Tonight

    Tonight: Partly cloudy, with a low around 42. North northeast wind 5 to 10 mph becoming light north  after midnight.

    Low: 42 °F

    Partly Cloudy

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 64. Light and variable wind becoming east southeast 6 to 11 mph in the morning.

    High: 64 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Increasing clouds, with a low around 47. East southeast wind 6 to 11 mph becoming light and variable  after midnight.

    Low: 47 °F

    Increasing
    Clouds

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms after noon.  Mostly cloudy, with a high near 69. Calm wind becoming south southwest around 6 mph in the afternoon.

    High: 69 °F

    Partly Sunny
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm before 9pm, then showers likely between 9pm and midnight.  Mostly cloudy, with a low around 49. West southwest wind 6 to 10 mph.  Chance of precipitation is 60%.

    Low: 49 °F

    Showers
    Likely then
    Mostly Cloudy

  • Sunday

    Sunday: A slight chance of showers, then a chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 67. West wind 5 to 8 mph.  Chance of precipitation is 40%.

    High: 67 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm before midnight, then a chance of showers.  Mostly cloudy, with a low around 45. Northeast wind 8 to 13 mph becoming light north northeast  after midnight.  Chance of precipitation is 60%.

    Low: 45 °F

    Showers
    Likely

  • Monday

    Monday: A chance of showers, then showers likely and possibly a thunderstorm after noon.  Mostly cloudy, with a high near 60. Light and variable wind.  Chance of precipitation is 60%.

    High: 60 °F

    Showers
    Likely

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 43. Northeast wind 5 to 8 mph becoming calm  after midnight.

    Low: 43 °F

    Slight Chance
    T-storms then
    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 42. North northeast wind 5 to 10 mph becoming light north after midnight.
Juneteenth
Mostly sunny, with a high near 64. Light and variable wind becoming east southeast 6 to 11 mph in the morning.
Friday Night
Increasing clouds, with a low around 47. East southeast wind 6 to 11 mph becoming light and variable after midnight.
Saturday
A 40 percent chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 69. Calm wind becoming south southwest around 6 mph in the afternoon.
Saturday Night
Showers likely and possibly a thunderstorm before 9pm, then showers likely between 9pm and midnight. Mostly cloudy, with a low around 49. West southwest wind 6 to 10 mph. Chance of precipitation is 60%.
Sunday
A slight chance of showers, then a chance of showers and thunderstorms after noon. Mostly sunny, with a high near 67. West wind 5 to 8 mph. Chance of precipitation is 40%.
Sunday Night
Showers likely and possibly a thunderstorm before midnight, then a chance of showers. Mostly cloudy, with a low around 45. Northeast wind 8 to 13 mph becoming light north northeast after midnight. Chance of precipitation is 60%.
Monday
A chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 60. Light and variable wind. Chance of precipitation is 60%.
Monday Night
A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 43. Northeast wind 5 to 8 mph becoming calm after midnight.
Tuesday
Sunny, with a high near 68. Calm wind becoming east southeast around 6 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 47. East wind 5 to 10 mph becoming light and variable after midnight.
Wednesday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 73. Calm wind becoming east southeast around 6 mph in the afternoon.
Wednesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 50. South wind 5 to 7 mph becoming calm after midnight.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 75. Calm wind becoming west around 6 mph in the afternoon.
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ABOUT THIS FORECAST

 
Point Forecast:
14 Miles SW Melville MT
 45.97°N 110.18°W (Elev. 6201 ft)
5:53 pm MDT Jun 18, 2026
10pm MDT Jun 18, 2026-6pm MDT Jun 25, 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