Dangerous Heat over the South-Central and Southwest U.S. Through Next Week

Dangerous heat persists across the Desert Southwest through this weekend and across the Southern Plains and Lower Mississippi Valley through at least the middle of next week. Numerous daily record high temperatures are expected through at least Tuesday for much of Texas and Oklahoma as well as portions of Louisiana, New Mexico, and Arizona. Read More >

Current conditions at

TOWER FALLS RANGER STATION AT YELLOWSTONE NP (TFAW4)

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

NA

68°F

20°C

Humidity 41%
Wind Speed ENE 0 MPH
Barometer NA
Dewpoint 44°F (7°C)
Visibility NA
Last update 21 Aug 10:15 AM MDT
Extended Forecast for

Canyon WY

  • Today

    Today: Sunny, with a high near 82. Calm wind becoming west 5 to 7 mph in the afternoon.

    High: 82 °F

    Sunny

  • Tonight

    Tonight: Patchy smoke between 10pm and 1am. Increasing clouds, with a low around 48. North wind around 5 mph becoming calm  after midnight.

    Low: 48 °F

    Patchy Smoke

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms, mainly between 1pm and 4pm.  Cloudy, then gradually becoming mostly sunny, with a high near 75. Calm wind becoming southwest 5 to 8 mph in the morning. Winds could gust as high as 20 mph.

    High: 75 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: A 50 percent chance of showers and thunderstorms, mainly before 10pm.  Partly cloudy, with a low around 46. West southwest wind around 6 mph becoming light and variable  after midnight.  New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 46 °F

    Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: A slight chance of showers, then a chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 73. Light south wind becoming west southwest 9 to 14 mph in the morning. Winds could gust as high as 28 mph.  Chance of precipitation is 40%.

    High: 73 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 44. West southwest wind 6 to 11 mph becoming light south  after midnight. Winds could gust as high as 26 mph.

    Low: 44 °F

    Partly Cloudy

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 73. Light and variable wind becoming west 6 to 11 mph in the morning. Winds could gust as high as 24 mph.

    High: 73 °F

    Sunny then
    Slight Chance
    T-storms

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 43.

    Low: 43 °F

    Chance
    Showers then
    Mostly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 72.

    High: 72 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

Today
Sunny, with a high near 82. Calm wind becoming west 5 to 7 mph in the afternoon.
Tonight
Patchy smoke between 10pm and 1am. Increasing clouds, with a low around 48. North wind around 5 mph becoming calm after midnight.
Saturday
A 30 percent chance of showers and thunderstorms, mainly between 1pm and 4pm. Cloudy, then gradually becoming mostly sunny, with a high near 75. Calm wind becoming southwest 5 to 8 mph in the morning. Winds could gust as high as 20 mph.
Saturday Night
A 50 percent chance of showers and thunderstorms, mainly before 10pm. Partly cloudy, with a low around 46. West southwest wind around 6 mph becoming light and variable after midnight. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
A slight chance of showers, then a chance of showers and thunderstorms after noon. Mostly sunny, with a high near 73. Light south wind becoming west southwest 9 to 14 mph in the morning. Winds could gust as high as 28 mph. Chance of precipitation is 40%.
Sunday Night
Partly cloudy, with a low around 44. West southwest wind 6 to 11 mph becoming light south after midnight. Winds could gust as high as 26 mph.
Monday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 73. Light and variable wind becoming west 6 to 11 mph in the morning. Winds could gust as high as 24 mph.
Monday Night
A 30 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 43.
Tuesday
A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 72.
Tuesday Night
A 10 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 43.
Wednesday
A slight chance of showers and thunderstorms. Partly sunny, with a high near 72.
Wednesday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 43.
Thursday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 70.
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ABOUT THIS FORECAST

 
Point Forecast:
Canyon WY
 44.74°N 110.5°W (Elev. 7953 ft)
9:31 am MDT Aug 21, 2026
10am MDT Aug 21, 2026-6pm MDT Aug 27, 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