Dangerous Heat Builds and Expands; Critical Fire Weather for the Southwest; Severe Thunderstorms for Plains and Midwest

Dangerous to record breaking heat will build across the center of the nation and slowly build eastward this week. Wildfire conditions remain critical for the Southwest and portions of the Great Basin through Monday. For the northern Plains and upper Midwest, severe thunderstorms with the potential for large to very large hail and severe winds are the primary hazards. Read More >

Current conditions at

OLD FAITHFUL RANGER STATION (OFAW4)

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

NA

34°F

1°C

Humidity 100%
Wind Speed ENE 3 MPH
Barometer NA
Dewpoint 33°F (1°C)
Visibility NA
Last update 29 Jun 05:15 AM MDT
Extended Forecast for

Old Faithful WY

  • Overnight

    Overnight: Snow showers, possibly mixed with rain.  Snow level 7600 feet. Steady temperature around 35. Southwest wind around 13 mph.  Chance of precipitation is 80%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 35 °F

    Rain/Snow

  • Monday

    Monday: Rain, possibly mixed with snow showers, becoming all rain after 2pm. Some thunder is also possible.  Snow level 7500 feet rising to 9900 feet in the afternoon. High near 44. Breezy, with a southwest wind 13 to 18 mph, with gusts as high as 25 mph.  Chance of precipitation is 100%. New snow accumulation of less than one inch possible.

    High: 44 °F

    Rain/Snow and
    Breezy

  • Monday Night

    Monday Night: Showers and thunderstorms likely before 9pm, then a slight chance of showers between 9pm and 10pm.  Mostly cloudy, with a low around 34. Southwest wind 5 to 14 mph becoming south southeast in the evening.  Chance of precipitation is 60%.

    Low: 34 °F

    Showers
    Likely then
    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 61. Southwest wind 3 to 6 mph.

    High: 61 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 33. Southwest wind around 5 mph becoming calm  in the evening.

    Low: 33 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after noon.  Sunny, with a high near 64. Calm wind becoming southwest 5 to 8 mph in the morning.

    High: 64 °F

    Sunny then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 10 percent chance of showers and thunderstorms before 9pm.  Partly cloudy, with a low around 35. Southwest wind around 6 mph becoming calm  in the evening. Winds could gust as high as 21 mph.

    Low: 35 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 37.

    Low: 37 °F

    Partly Cloudy

Detailed Forecast

Overnight
Snow showers, possibly mixed with rain. Snow level 7600 feet. Steady temperature around 35. Southwest wind around 13 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of less than a half inch possible.
Monday
Rain, possibly mixed with snow showers, becoming all rain after 2pm. Some thunder is also possible. Snow level 7500 feet rising to 9900 feet in the afternoon. High near 44. Breezy, with a southwest wind 13 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.
Monday Night
Showers and thunderstorms likely before 9pm, then a slight chance of showers between 9pm and 10pm. Mostly cloudy, with a low around 34. Southwest wind 5 to 14 mph becoming south southeast in the evening. Chance of precipitation is 60%.
Tuesday
Mostly sunny, with a high near 61. Southwest wind 3 to 6 mph.
Tuesday Night
Mostly clear, with a low around 33. Southwest wind around 5 mph becoming calm in the evening.
Wednesday
A 20 percent chance of showers and thunderstorms after noon. Sunny, with a high near 64. Calm wind becoming southwest 5 to 8 mph in the morning.
Wednesday Night
A 10 percent chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 35. Southwest wind around 6 mph becoming calm in the evening. Winds could gust as high as 21 mph.
Thursday
Mostly sunny, with a high near 68.
Thursday Night
Partly cloudy, with a low around 37.
Friday
A slight chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 67. Chance of precipitation is 20%.
Friday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 37.
Independence Day
A slight chance of showers and thunderstorms. Sunny, with a high near 67.
Saturday Night
Mostly clear, with a low around 37.
Sunday
Sunny, with a high near 75.
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ABOUT THIS FORECAST

 
Point Forecast:
Old Faithful WY
 44.45°N 110.85°W (Elev. 7398 ft)
4:48 am MDT Jun 29, 2026
5am MDT Jun 29, 2026-6pm MDT Jul 5, 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