Dangerous Heat and Heavy Rainfall into the Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend. Heat Advisories remain in effect. Heavy to excessive rainfall occurring at times through the weekend could bring areas of flooding to parts of the northern Rockies, upper Midwest, central Great Lakes, and southern New England. Read More >

Current conditions at

Yellowstone Lake (KP60)

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

NA

44°F

7°C

Humidity 92%
Wind Speed N 0 MPH
Barometer 30.3 in (1026.08 mb)
Dewpoint 42°F (6°C)
Visibility NA
Last update 19 Sep 07:56 PM MDT
Extended Forecast for

2 Miles SW Lake WY

Flood Watch September 20, 01:49am until September 20, 06:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch September 20, 01:49am until September 20, 06:00pm

    NOW until 6:00pm Sun

    Flood Watch

  • Overnight

    Low: 33 °F

    Chance
    Showers and
    Areas Fog

  • Sunday

    Sunday: A slight chance of showers between 2pm and 3pm, then a slight chance of showers and thunderstorms after 3pm.  Areas of fog before 11am.  Otherwise, partly sunny, with a high near 54. Calm wind.  Chance of precipitation is 10%.

    High: 54 °F

    Areas Fog
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 30. Calm wind.

    Low: 30 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 63. Calm wind.

    High: 63 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 33. Calm wind.

    Low: 33 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 65. Calm wind.

    High: 65 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms after midnight.  Mostly cloudy, with a low around 36. Calm wind.

    Low: 36 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 63.

    High: 63 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

Detailed Forecast

Overnight
A 30 percent chance of showers, mainly between 4am and 5am. Areas of fog. Otherwise, mostly cloudy, with a low around 33. Calm wind.
Sunday
A slight chance of showers between 2pm and 3pm, then a slight chance of showers and thunderstorms after 3pm. Areas of fog before 11am. Otherwise, partly sunny, with a high near 54. Calm wind. Chance of precipitation is 10%.
Sunday Night
Partly cloudy, with a low around 30. Calm wind.
Monday
Sunny, with a high near 63. Calm wind.
Monday Night
Mostly clear, with a low around 33. Calm wind.
Tuesday
Mostly sunny, with a high near 65. Calm wind.
Tuesday Night
A 20 percent chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 36. Calm wind.
Wednesday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 63.
Wednesday Night
Mostly clear, with a low around 35.
Thursday
Sunny, with a high near 67.
Thursday Night
Mostly clear, with a low around 37.
Friday
Sunny, with a high near 67.
Friday Night
Partly cloudy, with a low around 38.
Saturday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 64.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Lake WY
 44.53°N 110.44°W (Elev. 7785 ft)
12:32 am MDT Sep 20, 2026
1am MDT Sep 20, 2026-6pm MDT Sep 26, 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