National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

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

TOWER FALLS RANGER STATION AT YELLOWSTONE NP (TFAW4)

Lat: 44.916944°NLon: 110.420556°WElev: 1913.8ft.

NA

42°F

6°C

Humidity 86%
Wind Speed NE 0 MPH
Barometer NA
Dewpoint 38°F (3°C)
Visibility NA
Last update 20 Sep 08:15 AM MDT
Extended Forecast for

Mt Washburn WY

  • Today

    Today: A slight chance of showers and thunderstorms between 3pm and 4pm. Patchy fog between 10am and 11am. Otherwise, partly sunny, with a high near 50. North northwest wind 3 to 5 mph. Chance of precipitation is 10%.

    High: 50 °F

    Patchy Fog
    then Slight
    Chance
    T-storms

  • Tonight

    Tonight: Partly cloudy, with a low around 33. North northwest wind around 5 mph becoming calm in the evening.

    Low: 33 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 57. Calm wind becoming west southwest around 5 mph in the afternoon.

    High: 57 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 35. Calm wind becoming south southeast around 6 mph in the evening.

    Low: 35 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 59. South southeast wind around 6 mph becoming light and variable.

    High: 59 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 39. South wind 5 to 8 mph.

    Low: 39 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Wednesday

    Wednesday: A 10 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 57. West southwest wind 7 to 9 mph, with gusts as high as 22 mph.

    High: 57 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 38.

    Low: 38 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 61.

    High: 61 °F

    Sunny

Detailed Forecast

Today
A slight chance of showers and thunderstorms between 3pm and 4pm. Patchy fog between 10am and 11am. Otherwise, partly sunny, with a high near 50. North northwest wind 3 to 5 mph. Chance of precipitation is 10%.
Tonight
Partly cloudy, with a low around 33. North northwest wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 57. Calm wind becoming west southwest around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 35. Calm wind becoming south southeast around 6 mph in the evening.
Tuesday
Mostly sunny, with a high near 59. South southeast wind around 6 mph becoming light and variable.
Tuesday Night
A 20 percent chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 39. South wind 5 to 8 mph.
Wednesday
A 10 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 57. West southwest wind 7 to 9 mph, with gusts as high as 22 mph.
Wednesday Night
Partly cloudy, with a low around 38.
Thursday
Sunny, with a high near 61.
Thursday Night
Partly cloudy, with a low around 40.
Friday
Sunny, with a high near 61.
Friday Night
Partly cloudy, with a low around 41.
Saturday
Mostly sunny, with a high near 57.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mt Washburn WY
 44.79°N 110.42°W (Elev. 8907 ft)
Last Update:
8:19 am MDT Sep 20, 2026
Forecast Valid:
9am MDT Sep 20, 2026-6pm MDT Sep 26, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation