Tropical Storm Arthur and Heavy Rainfall in the South; Severe Weather in the Midwest

An outbreak of severe thunderstorms is expected across portions of Illinois and Indiana tonight. Intense tornadoes, swaths of damaging gusts, and hail in excess of 2 inches in diameter possible. Tropical Storm Arthur will continue to produce strong winds across coastal Upper Texas and Louisiana tonight, as well as potentially life-threatening flooding across southern Louisiana into Mississippi. Read More >

Current conditions at

DERBY MOUNTAIN (DBYM8)

Lat: 45.57722°NLon: 109.87889°WElev: 6600.0ft.

NA

48°F

9°C

Humidity 58%
Wind Speed SSE 5 MPH
Barometer NA
Dewpoint 34°F (1°C)
Visibility NA
Wind Chill46°F (8°C)
Last update 18 Jun 01:35 AM MDT
Extended Forecast for

12 Miles NNW Nye MT

  • Overnight

    Overnight: Mostly clear, with a low around 46. West southwest wind 3 to 5 mph.

    Low: 46 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 68. West wind 5 to 10 mph increasing to 11 to 16 mph in the afternoon.

    High: 68 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 45. North northwest wind 9 to 14 mph becoming light and variable  after midnight.

    Low: 45 °F

    Partly Cloudy

  • Juneteenth

    Juneteenth: Partly sunny, with a high near 67. Light east southeast wind becoming east 6 to 11 mph in the morning.

    High: 67 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 51. East wind 8 to 13 mph becoming light and variable  after midnight.

    Low: 51 °F

    Mostly Cloudy

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm after noon.  Mostly cloudy, with a high near 67. Calm wind becoming west southwest 5 to 8 mph in the afternoon.  Chance of precipitation is 70%.

    High: 67 °F

    Mostly Cloudy
    then Showers
    Likely

  • 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 52. West southwest wind around 9 mph.  Chance of precipitation is 70%.

    Low: 52 °F

    Showers
    Likely then
    Mostly Cloudy

  • Sunday

    Sunday: A 50 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 67. West southwest wind 7 to 11 mph becoming north northwest in the afternoon.

    High: 67 °F

    Mostly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before midnight, then a slight chance of showers.  Mostly cloudy, with a low around 46. North wind 5 to 9 mph becoming calm  after midnight.  Chance of precipitation is 40%.

    Low: 46 °F

    Chance
    T-storms then
    Slight Chance
    Showers

Detailed Forecast

Overnight
Mostly clear, with a low around 46. West southwest wind 3 to 5 mph.
Thursday
Sunny, with a high near 68. West wind 5 to 10 mph increasing to 11 to 16 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 45. North northwest wind 9 to 14 mph becoming light and variable after midnight.
Juneteenth
Partly sunny, with a high near 67. Light east southeast wind becoming east 6 to 11 mph in the morning.
Friday Night
Mostly cloudy, with a low around 51. East wind 8 to 13 mph becoming light and variable after midnight.
Saturday
Showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 67. Calm wind becoming west southwest 5 to 8 mph in the afternoon. Chance of precipitation is 70%.
Saturday Night
Showers likely and possibly a thunderstorm before 9pm, then showers likely between 9pm and midnight. Mostly cloudy, with a low around 52. West southwest wind around 9 mph. Chance of precipitation is 70%.
Sunday
A 50 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 67. West southwest wind 7 to 11 mph becoming north northwest in the afternoon.
Sunday Night
A chance of showers and thunderstorms before midnight, then a slight chance of showers. Mostly cloudy, with a low around 46. North wind 5 to 9 mph becoming calm after midnight. Chance of precipitation is 40%.
Monday
A slight chance of showers, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 61. Calm wind becoming northeast 5 to 9 mph in the morning. Chance of precipitation is 50%.
Monday Night
Mostly clear, with a low around 44. Northeast wind 5 to 9 mph becoming light and variable after midnight.
Tuesday
Sunny, with a high near 69. Calm wind becoming east 5 to 9 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 50. East wind 5 to 9 mph becoming south southwest after midnight.
Wednesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 73. Light and variable wind becoming north 5 to 8 mph in the afternoon.
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles NNW Nye MT
 45.58°N 109.93°W (Elev. 6161 ft)
12:53 am MDT Jun 18, 2026
2am MDT Jun 18, 2026-6pm MDT Jun 24, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database