Severe Thunderstorms in the Ohio Valley and Mid-Atlantic; Heat Continuing in the Central U.S.

Widespread strong to severe thunderstorms are expected from the Upper Ohio Valley into the Mid-Atlantic through Friday, with damaging winds as the primary threat. Dangerous heat will continue from the South-Central U.S. to the Midwest, Ohio/Tennessee valleys, and Mid-Atlantic. Widespread Major to Extreme Heat Risk is forecast into the weekend and will confine to the South-Central U.S. by Labor Day Read More >

Current conditions at

Yellowstone Lake (KP60)

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

NA

59°F

15°C

Humidity 34%
Wind Speed W 3 MPH
Barometer 30.11 in (1019.64 mb)
Dewpoint 31°F (-1°C)
Visibility NA
Last update 03 Sep 06:56 PM MDT
Extended Forecast for

7 Miles E Lewis Lake WY

  • Tonight

    Tonight: Partly cloudy, with a low around 41. Calm wind becoming south around 6 mph after midnight.

    Low: 41 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 70. South southwest wind 6 to 8 mph.

    High: 70 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 43. South southwest wind around 6 mph becoming calm  in the evening.

    Low: 43 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 72. Southwest wind 3 to 7 mph.

    High: 72 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 42. Light and variable wind.

    Low: 42 °F

    Mostly Clear

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 72. Calm wind becoming south around 6 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 72 °F

    Sunny then
    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm, then showers after midnight.  Low around 42. South wind around 5 mph.  Chance of precipitation is 80%.

    Low: 42 °F

    Showers

  • Labor Day

    Labor Day: Showers likely and possibly a thunderstorm before noon, then a chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 59. Chance of precipitation is 70%.

    High: 59 °F

    Showers
    Likely then
    Chance
    T-storms

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms before midnight.  Mostly clear, with a low around 34.

    Low: 34 °F

    Slight Chance
    T-storms then
    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 41. Calm wind becoming south around 6 mph after midnight.
Friday
Sunny, with a high near 70. South southwest wind 6 to 8 mph.
Friday Night
Mostly clear, with a low around 43. South southwest wind around 6 mph becoming calm in the evening.
Saturday
Sunny, with a high near 72. Southwest wind 3 to 7 mph.
Saturday Night
Mostly clear, with a low around 42. Light and variable wind.
Sunday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 72. Calm wind becoming south around 6 mph in the afternoon. Winds could gust as high as 20 mph.
Sunday Night
Showers likely and possibly a thunderstorm, then showers after midnight. Low around 42. South wind around 5 mph. Chance of precipitation is 80%.
Labor Day
Showers likely and possibly a thunderstorm before noon, then a chance of showers and thunderstorms after noon. Mostly sunny, with a high near 59. Chance of precipitation is 70%.
Monday Night
A 20 percent chance of showers and thunderstorms before midnight. Mostly clear, with a low around 34.
Tuesday
Sunny, with a high near 61.
Tuesday Night
Mostly clear, with a low around 37.
Wednesday
A slight chance of showers. Mostly sunny, with a high near 65.
Wednesday Night
A slight chance of showers. Partly cloudy, with a low around 40.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 64.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
7 Miles E Lewis Lake WY
 44.27°N 110.48°W (Elev. 7451 ft)
7:02 pm MDT Sep 3, 2026
7pm MDT Sep 3, 2026-6pm MDT Sep 10, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database