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

Yellowstone Lake (KP60)

Lat: 44.54444°NLon: 110.42111°WElev: 7835.0ft.

NA

47°F

8°C

Humidity 55%
Wind Speed WNW 3 MPH
Barometer 30.21 in (1023.03 mb)
Dewpoint 32°F (0°C)
Visibility NA
Last update 18 Jun 10:56 PM MDT
Extended Forecast for

Upper/Lower Falls WY

  • Tonight

    Tonight: Mostly clear, with a low around 34. Calm wind.

    Low: 34 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 72. Calm wind becoming west 5 to 7 mph in the afternoon.

    High: 72 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 41. West wind around 6 mph becoming calm  in the evening.

    Low: 41 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 4pm.  High near 66. Calm wind becoming west southwest around 6 mph in the afternoon.  Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 66 °F

    Chance
    Showers then
    Showers

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm before midnight, then a slight chance of showers.  Low around 38. Light west wind.  Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 38 °F

    Showers then
    Slight Chance
    Showers

  • Sunday

    Sunday: A chance of showers before 9am, then a chance of showers and thunderstorms between 9am and noon, then showers likely and possibly a thunderstorm after noon.  Mostly sunny, with a high near 64. Calm wind becoming west around 6 mph in the afternoon.  Chance of precipitation is 60%.

    High: 64 °F

    Chance
    Showers then
    Showers
    Likely

  • Sunday Night

    Sunday Night: A 40 percent chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 35. West northwest wind around 5 mph becoming calm  after midnight.

    Low: 35 °F

    Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms.  Mostly sunny, with a high near 65.

    High: 65 °F

    Slight Chance
    T-storms

  • Monday Night

    Monday Night: Mostly clear, with a low around 31.

    Low: 31 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 34. Calm wind.
Juneteenth
Mostly sunny, with a high near 72. Calm wind becoming west 5 to 7 mph in the afternoon.
Friday Night
Mostly cloudy, with a low around 41. West wind around 6 mph becoming calm in the evening.
Saturday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 4pm. High near 66. Calm wind becoming west southwest around 6 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers and possibly a thunderstorm before midnight, then a slight chance of showers. Low around 38. Light west wind. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
A chance of showers before 9am, then a chance of showers and thunderstorms between 9am and noon, then showers likely and possibly a thunderstorm after noon. Mostly sunny, with a high near 64. Calm wind becoming west around 6 mph in the afternoon. Chance of precipitation is 60%.
Sunday Night
A 40 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 35. West northwest wind around 5 mph becoming calm after midnight.
Monday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 65.
Monday Night
Mostly clear, with a low around 31.
Tuesday
Sunny, with a high near 71.
Tuesday Night
Mostly clear, with a low around 35.
Wednesday
A slight chance of showers and thunderstorms. Sunny, with a high near 73.
Wednesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 36.
Thursday
Sunny, with a high near 72.
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ABOUT THIS FORECAST

 
Point Forecast:
Upper/Lower Falls WY
 44.72°N 110.53°W (Elev. 8100 ft)
11:47 pm MDT Jun 18, 2026
11pm 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