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

47°F

8°C

Humidity 100%
Wind Speed SW 1 MPH
Barometer NA
Dewpoint 47°F (8°C)
Visibility NA
Last update 23 Aug 07:15 AM MDT
Extended Forecast for

Madison WY

  • Today

    Today: A 30 percent chance of showers and thunderstorms, mainly after 2pm.  Mostly sunny, with a high near 77. Light west southwest wind becoming southwest 6 to 11 mph in the afternoon. Winds could gust as high as 28 mph.

    High: 77 °F

    Mostly Sunny
    then Chance
    Showers

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 7pm.  Partly cloudy, with a low around 41. West southwest wind 5 to 9 mph becoming calm  after midnight. Winds could gust as high as 24 mph.

    Low: 41 °F

    Chance
    Showers then
    Partly Cloudy

  • Monday

    Monday: Increasing clouds, with a high near 77. Calm wind becoming west southwest 5 to 7 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 77 °F

    Increasing
    Clouds

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 42. West southwest wind around 5 mph becoming calm  in the evening.

    Low: 42 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 78. Calm wind becoming west around 5 mph.

    High: 78 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight.  Mostly cloudy, with a low around 41. Calm wind.  Chance of precipitation is 20%.

    Low: 41 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 79. Calm wind becoming west around 6 mph in the afternoon.

    High: 79 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 42.

    Low: 42 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Thursday

    Thursday: A 10 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 78.

    High: 78 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 77. Light west southwest wind becoming southwest 6 to 11 mph in the afternoon. Winds could gust as high as 28 mph.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 41. West southwest wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 24 mph.
Monday
Increasing clouds, with a high near 77. Calm wind becoming west southwest 5 to 7 mph in the afternoon. Winds could gust as high as 20 mph.
Monday Night
Mostly cloudy, with a low around 42. West southwest wind around 5 mph becoming calm in the evening.
Tuesday
A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 78. Calm wind becoming west around 5 mph.
Tuesday Night
A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Mostly cloudy, with a low around 41. Calm wind. Chance of precipitation is 20%.
Wednesday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 79. Calm wind becoming west around 6 mph in the afternoon.
Wednesday Night
A 20 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 42.
Thursday
A 10 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 78.
Thursday Night
A 20 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 42.
Friday
Mostly sunny, with a high near 76.
Friday Night
Partly cloudy, with a low around 41.
Saturday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 74.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Madison WY
 44.65°N 110.85°W (Elev. 6909 ft)
7:01 am MDT Aug 23, 2026
7am MDT Aug 23, 2026-6pm MDT Aug 29, 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