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

STEAMBOAT (STBM8)

Lat: 46.26094°NLon: 108.09939°WElev: 3716.0ft.

NA

52°F

11°C

Humidity 73%
Wind Speed WNW 0 MPH
Barometer NA
Dewpoint 44°F (7°C)
Visibility NA
Last update 19 Jun 03:41 AM MDT
Extended Forecast for

18 Miles SE Roundup MT

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 69. North northwest wind 6 to 10 mph becoming east in the afternoon.

    High: 69 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 54. East southeast wind 11 to 15 mph.

    Low: 54 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 76. East wind 6 to 9 mph becoming south in the afternoon.

    High: 76 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 58. South wind 6 to 10 mph.

    Low: 58 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Sunday

    Sunday: A slight chance of showers between noon and 3pm, then a slight chance of showers and thunderstorms after 3pm.  Mostly sunny, with a high near 72. North wind 14 to 16 mph.  Chance of precipitation is 20%.

    High: 72 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 52. North wind 10 to 14 mph.  Chance of precipitation is 50%.

    Low: 52 °F

    Chance
    T-storms then
    Chance
    Showers

  • Monday

    Monday: A 50 percent chance of showers and thunderstorms.  Partly sunny, with a high near 65. North wind 9 to 13 mph.

    High: 65 °F

    Chance
    Showers then
    Chance
    T-storms

  • Monday Night

    Monday Night: Mostly clear, with a low around 47. North northwest wind 9 to 14 mph becoming light northwest  after midnight.

    Low: 47 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 70. Light and variable wind becoming northeast 5 to 9 mph in the morning.

    High: 70 °F

    Sunny

Detailed Forecast

Juneteenth
Mostly sunny, with a high near 69. North northwest wind 6 to 10 mph becoming east in the afternoon.
Tonight
Mostly cloudy, with a low around 54. East southeast wind 11 to 15 mph.
Saturday
Mostly cloudy, with a high near 76. East wind 6 to 9 mph becoming south in the afternoon.
Saturday Night
A 20 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 58. South wind 6 to 10 mph.
Sunday
A slight chance of showers between noon and 3pm, then a slight chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 72. North wind 14 to 16 mph. Chance of precipitation is 20%.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 52. North wind 10 to 14 mph. Chance of precipitation is 50%.
Monday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 65. North wind 9 to 13 mph.
Monday Night
Mostly clear, with a low around 47. North northwest wind 9 to 14 mph becoming light northwest after midnight.
Tuesday
Sunny, with a high near 70. Light and variable wind becoming northeast 5 to 9 mph in the morning.
Tuesday Night
Partly cloudy, with a low around 52. East southeast wind 7 to 10 mph.
Wednesday
Mostly sunny, with a high near 76. East northeast wind 5 to 10 mph.
Wednesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 55. East northeast wind 6 to 10 mph becoming southeast after midnight.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 80. South southeast wind 3 to 8 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
18 Miles SE Roundup MT
 46.3°N 108.23°W (Elev. 4324 ft)
3:18 am MDT Jun 19, 2026
4am MDT Jun 19, 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