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

11 Miles WNW Nye MT

  • Overnight

    Overnight: Mostly clear, with a low around 41. West wind 6 to 8 mph.

    Low: 41 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 61. West northwest wind 8 to 18 mph.

    High: 61 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 40. Northwest wind 12 to 17 mph becoming southeast 5 to 10 mph in the evening.

    Low: 40 °F

    Partly Cloudy

  • Juneteenth

    Juneteenth: Partly sunny, with a high near 60. East wind 6 to 13 mph.

    High: 60 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 46. East wind 5 to 14 mph becoming southwest after midnight.

    Low: 46 °F

    Mostly Cloudy

  • Saturday

    Saturday: A slight chance of showers, then showers and possibly a thunderstorm after noon.  High near 60. Southwest wind 5 to 7 mph becoming northwest in the afternoon.  Chance of precipitation is 80%.

    High: 60 °F

    Slight Chance
    Showers then
    Showers

  • 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 46. West southwest wind 9 to 11 mph.  Chance of precipitation is 70%.

    Low: 46 °F

    Showers
    Likely then
    Mostly Cloudy

  • Sunday

    Sunday: A slight chance of showers, then a chance of showers and thunderstorms after noon.  Partly sunny, with a high near 59. West southwest wind 9 to 11 mph becoming north northwest in the afternoon.  Chance of precipitation is 50%.

    High: 59 °F

    Slight Chance
    Showers 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 41. North wind 5 to 10 mph becoming south after midnight.  Chance of precipitation is 40%.

    Low: 41 °F

    Chance
    T-storms then
    Slight Chance
    Showers

Detailed Forecast

Overnight
Mostly clear, with a low around 41. West wind 6 to 8 mph.
Thursday
Sunny, with a high near 61. West northwest wind 8 to 18 mph.
Thursday Night
Partly cloudy, with a low around 40. Northwest wind 12 to 17 mph becoming southeast 5 to 10 mph in the evening.
Juneteenth
Partly sunny, with a high near 60. East wind 6 to 13 mph.
Friday Night
Mostly cloudy, with a low around 46. East wind 5 to 14 mph becoming southwest after midnight.
Saturday
A slight chance of showers, then showers and possibly a thunderstorm after noon. High near 60. Southwest wind 5 to 7 mph becoming northwest in the afternoon. Chance of precipitation is 80%.
Saturday Night
Showers likely and possibly a thunderstorm before 9pm, then showers likely between 9pm and midnight. Mostly cloudy, with a low around 46. West southwest wind 9 to 11 mph. Chance of precipitation is 70%.
Sunday
A slight chance of showers, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 59. West southwest wind 9 to 11 mph becoming north northwest in the afternoon. Chance of precipitation is 50%.
Sunday Night
A chance of showers and thunderstorms before midnight, then a slight chance of showers. Mostly cloudy, with a low around 41. North wind 5 to 10 mph becoming south after midnight. Chance of precipitation is 40%.
Monday
A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 54. Light and variable wind becoming north northeast 5 to 9 mph in the morning. Chance of precipitation is 50%.
Monday Night
Partly cloudy, with a low around 39. North northeast wind 7 to 10 mph becoming south southwest after midnight.
Tuesday
Sunny, with a high near 62. South southwest wind 6 to 10 mph becoming northeast in the afternoon.
Tuesday Night
Mostly clear, with a low around 45. East northeast wind 8 to 10 mph becoming south southwest after midnight.
Wednesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 65. South southwest wind 6 to 8 mph becoming north northwest in the afternoon.
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles WNW Nye MT
 45.51°N 109.98°W (Elev. 7940 ft)
12:53 am MDT Jun 18, 2026
2am MDT Jun 18, 2026-6pm MDT Jun 24, 2026
 
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Additional Resources

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Hourly Weather Forecast

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