Lake-effect Snow and Whiteout Conditions in the Great Lakes Region; Below-average Temperatures in the East

Heavy lake-effect and lake-enhanced snow will persist downwind of the Great Lakes and produce some whiteout conditions that could cause difficult travel conditions. A coastal low will produce moderate to heavy snow over parts of southern and eastern New England into the afternoon. Below average temperatures are expected across the eastern U.S., particularly with chilly morning temperatures. Read More >

Current conditions at

OLD FAITHFUL RANGER STATION (OFAW4)

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

NA

21°F

-6°C

Humidity 92%
Wind Speed WSW 2 MPH
Barometer NA
Dewpoint 19°F (-7°C)
Visibility NA
Last update 18 Jan 07:15 PM MST
Extended Forecast for

Old Faithful WY

  • Tonight

    Tonight: Areas of fog.  Otherwise, partly cloudy, with a low around -2. Light and variable wind.

    Low: -2 °F

    Areas Fog

  • M.L.King Day

    M.L.King Day: Patchy fog before noon.  Otherwise, sunny, with a high near 29. Wind chill values as low as -10. Calm wind becoming west 5 to 8 mph in the afternoon.

    High: 29 °F

    Patchy Fog
    then Sunny

  • Monday Night

    Monday Night: Patchy fog after 8pm.  Otherwise, partly cloudy, with a low around 7. Light southwest wind.

    Low: 7 °F

    Patchy Fog

  • Tuesday

    Tuesday: A 20 percent chance of snow showers after 11am.  Partly sunny, with a high near 27. Light southwest wind.

    High: 27 °F

    Slight Chance
    Snow Showers

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 4. Calm wind.

    Low: 4 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 27. Calm wind.

    High: 27 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 5. Calm wind.

    Low: 5 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 30.

    High: 30 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of snow showers after 11pm.  Mostly cloudy, with a low around 10.

    Low: 10 °F

    Slight Chance
    Snow Showers

Detailed Forecast

Tonight
Areas of fog. Otherwise, partly cloudy, with a low around -2. Light and variable wind.
M.L.King Day
Patchy fog before noon. Otherwise, sunny, with a high near 29. Wind chill values as low as -10. Calm wind becoming west 5 to 8 mph in the afternoon.
Monday Night
Patchy fog after 8pm. Otherwise, partly cloudy, with a low around 7. Light southwest wind.
Tuesday
A 20 percent chance of snow showers after 11am. Partly sunny, with a high near 27. Light southwest wind.
Tuesday Night
Mostly clear, with a low around 4. Calm wind.
Wednesday
Sunny, with a high near 27. Calm wind.
Wednesday Night
Partly cloudy, with a low around 5. Calm wind.
Thursday
Partly sunny, with a high near 30.
Thursday Night
A 20 percent chance of snow showers after 11pm. Mostly cloudy, with a low around 10.
Friday
A 30 percent chance of snow showers, mainly after 11am. Partly sunny, with a high near 27.
Friday Night
A chance of snow showers. Mostly cloudy, with a low around 10.
Saturday
A chance of snow showers. Partly sunny, with a high near 26.
Saturday Night
A chance of snow showers. Mostly cloudy, with a low around 8.
Sunday
A chance of snow showers. Partly sunny, with a high near 28.
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ABOUT THIS FORECAST

 
Point Forecast:
Old Faithful WY
 44.46°N 110.82°W (Elev. 7398 ft)
7:47 pm MST Jan 18, 2026
8pm MST Jan 18, 2026-6pm MST Jan 25, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database