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

OLD FAITHFUL RANGER STATION (OFAW4)

Lat: 44.456667°NLon: 110.849444°WElev: 7332.0ft.

NA

72°F

22°C

Humidity 40%
Wind Speed SE 7 MPH
Barometer NA
Dewpoint 47°F (8°C)
Visibility NA
Last update 22 Aug 10:15 AM MDT
Extended Forecast for

3 Miles ENE Lewis Lake WY

  • Today

    Today: A 30 percent chance of showers and thunderstorms, mainly after 5pm.  Partly sunny, with a high near 75. Southwest wind 5 to 7 mph.

    High: 75 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly before 9pm.  Mostly cloudy, with a low around 47. Southwest wind 3 to 5 mph.

    Low: 47 °F

    Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 71. West southwest wind 5 to 10 mph, with gusts as high as 25 mph.

    High: 71 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 10 percent chance of showers and thunderstorms before 8pm.  Partly cloudy, with a low around 44. South southwest wind 5 to 9 mph, with gusts as high as 24 mph.

    Low: 44 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 71. Light and variable wind becoming west southwest 5 to 8 mph in the morning. Winds could gust as high as 21 mph.

    High: 71 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 46. West wind around 6 mph becoming calm  in the evening.

    Low: 46 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A slight chance of showers, then a chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 71. Calm wind becoming west southwest around 6 mph in the afternoon.  Chance of precipitation is 30%.

    High: 71 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 10 percent chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 45.

    Low: 45 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 72.

    High: 72 °F

    Mostly Sunny

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms, mainly after 5pm. Partly sunny, with a high near 75. Southwest wind 5 to 7 mph.
Tonight
A 40 percent chance of showers and thunderstorms, mainly before 9pm. Mostly cloudy, with a low around 47. Southwest wind 3 to 5 mph.
Sunday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 71. West southwest wind 5 to 10 mph, with gusts as high as 25 mph.
Sunday Night
A 10 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 44. South southwest wind 5 to 9 mph, with gusts as high as 24 mph.
Monday
Mostly sunny, with a high near 71. Light and variable wind becoming west southwest 5 to 8 mph in the morning. Winds could gust as high as 21 mph.
Monday Night
Mostly cloudy, with a low around 46. West wind around 6 mph becoming calm in the evening.
Tuesday
A slight chance of showers, then a chance of showers and thunderstorms after noon. Mostly sunny, with a high near 71. Calm wind becoming west southwest around 6 mph in the afternoon. Chance of precipitation is 30%.
Tuesday Night
A 10 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 45.
Wednesday
Mostly sunny, with a high near 72.
Wednesday Night
A 20 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 45.
Thursday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 71.
Thursday Night
Partly cloudy, with a low around 44.
Friday
Mostly sunny, with a high near 69.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ENE Lewis Lake WY
 44.3°N 110.55°W (Elev. 8196 ft)
11:01 am MDT Aug 22, 2026
11am MDT Aug 22, 2026-6pm MDT Aug 28, 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