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

Critical Fire Weather in the Plains; Severe Thunderstorms in the Upper Mississippi Valley and Great Lakes

Anomalously warm, dry and breezy conditions will bring elevated to critical fire weather conditions across portions of the Intermountain West into the central and southern Plains today. Strong to severe thunderstorms are possible across portions of the upper Mississippi River Valley to the Great Lakes tonight through the day Tuesday. Damaging gusts, hail, and heavy rainfall are likely. Read More >

Hazardous Weather Conditions

Current conditions at

OLD FAITHFUL RANGER STATION (OFAW4)

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

NA

27°F

-3°C

Humidity 75%
Wind Speed ESE 1 MPH
Barometer NA
Dewpoint 20°F (-7°C)
Visibility NA
Last update 29 Mar 07:15 AM MDT
Extended Forecast for

Old Faithful WY

  • Today

    Today: A slight chance of rain showers between 1pm and 2pm, then a chance of rain and snow showers. Snow level 7900 feet. Partly sunny, with a high near 52. Southwest wind 7 to 10 mph, with gusts as high as 31 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

    High: 52 °F

    Mostly Sunny
    then Chance
    Rain/Snow

  • Tonight

    Tonight: Rain and snow showers likely, becoming all snow after 9pm. Mostly cloudy, with a low around 27. West southwest wind 5 to 7 mph becoming calm in the evening. Winds could gust as high as 25 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 27 °F

    Rain/Snow
    Likely then
    Snow Showers
    Likely

  • Tuesday

    Tuesday: Snow showers. High near 42. Calm wind becoming southwest around 6 mph in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

    High: 42 °F

    Snow Showers

  • Tuesday Night

    Tuesday Night: Snow showers. Snow level 7500 feet. Low around 28. Light southwest wind. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

    Low: 28 °F

    Snow Showers

  • Wednesday

    Wednesday: Snow showers. Some thunder is also possible. High near 44. Calm wind becoming southwest around 5 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    High: 44 °F

    Snow Showers

  • Wednesday Night

    Wednesday Night: Rain and snow showers, becoming all snow after midnight. Some thunder is also possible. Low around 27. South southwest wind 3 to 6 mph. Chance of precipitation is 90%.

    Low: 27 °F

    Rain/Snow
    then Snow
    Showers

  • Thursday

    Thursday: Snow showers. Some thunder is also possible. High near 38. Southwest wind 6 to 8 mph, with gusts as high as 26 mph. Chance of precipitation is 100%.

    High: 38 °F

    Snow Showers

  • Thursday Night

    Thursday Night: Snow showers. Low around 16. Chance of precipitation is 80%.

    Low: 16 °F

    Snow Showers

  • Friday

    Friday: Snow showers likely. Mostly cloudy, with a high near 37. Chance of precipitation is 70%.

    High: 37 °F

    Snow Showers
    Likely

Detailed Forecast

Today
A slight chance of rain showers between 1pm and 2pm, then a chance of rain and snow showers. Snow level 7900 feet. Partly sunny, with a high near 52. Southwest wind 7 to 10 mph, with gusts as high as 31 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Tonight
Rain and snow showers likely, becoming all snow after 9pm. Mostly cloudy, with a low around 27. West southwest wind 5 to 7 mph becoming calm in the evening. Winds could gust as high as 25 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Tuesday
Snow showers. High near 42. Calm wind becoming southwest around 6 mph in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Tuesday Night
Snow showers. Snow level 7500 feet. Low around 28. Light southwest wind. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Wednesday
Snow showers. Some thunder is also possible. High near 44. Calm wind becoming southwest around 5 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Wednesday Night
Rain and snow showers, becoming all snow after midnight. Some thunder is also possible. Low around 27. South southwest wind 3 to 6 mph. Chance of precipitation is 90%.
Thursday
Snow showers. Some thunder is also possible. High near 38. Southwest wind 6 to 8 mph, with gusts as high as 26 mph. Chance of precipitation is 100%.
Thursday Night
Snow showers. Low around 16. Chance of precipitation is 80%.
Friday
Snow showers likely. Mostly cloudy, with a high near 37. Chance of precipitation is 70%.
Friday Night
A 30 percent chance of snow showers before midnight. Partly cloudy, with a low around 15.
Saturday
Sunny, with a high near 44.
Saturday Night
Mostly clear, with a low around 19.
Sunday
Sunny, with a high near 50.
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ABOUT THIS FORECAST

 
Point Forecast:
Old Faithful WY
 44.46°N 110.82°W (Elev. 7398 ft)
Last Update:
8:17 am MDT Mar 30, 2026
Forecast Valid:
9am MDT Mar 30, 2026-6pm MDT Apr 5, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation