Heavy Great Lakes Snow through Friday; Extreme Cold and Potential for Major Winter Storm Late Week into this Weekend

Multiple clipper systems will bring cold temperatures and enhance lake-effect snow downwind of the Great Lakes. An arctic blast will bring frigid temperatures accompanied with gusty winds that may lead to dangerous wind chills beginning in the Northern Plains Thursday before expanding to the South and East. An expansive winter storm will start Friday in the Southern Rockies/Plains and Mid-South. Read More >

Hazardous Weather Conditions

Current conditions at

OLD FAITHFUL RANGER STATION (OFAW4)

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

NA

-2°F

-19°C

Humidity 100%
Wind Speed NE 3 MPH
Barometer NA
Dewpoint -2°F (-19°C)
Visibility NA
Last update 21 Jan 08:15 AM MST
Extended Forecast for

Old Faithful WY

  • Today

    Today: Mostly sunny, with a high near 24. Wind chill values as low as -5. Southwest wind 3 to 7 mph.

    High: 24 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 3. Calm wind.

    Low: 3 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 26. Light and variable wind.

    High: 26 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around -1. Calm wind.

    Low: -1 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 21. Calm wind becoming north around 5 mph.

    High: 21 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around -11. Calm wind.

    Low: -11 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 19. Calm wind becoming west around 5 mph in the afternoon.

    High: 19 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around -4.

    Low: -4 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 20.

    High: 20 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 24. Wind chill values as low as -5. Southwest wind 3 to 7 mph.
Tonight
Mostly cloudy, with a low around 3. Calm wind.
Thursday
Mostly sunny, with a high near 26. Light and variable wind.
Thursday Night
Partly cloudy, with a low around -1. Calm wind.
Friday
Sunny, with a high near 21. Calm wind becoming north around 5 mph.
Friday Night
Mostly clear, with a low around -11. Calm wind.
Saturday
Sunny, with a high near 19. Calm wind becoming west around 5 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around -4.
Sunday
Mostly sunny, with a high near 20.
Sunday Night
Mostly clear, with a low around -1.
Monday
A slight chance of snow showers. Mostly sunny, with a high near 26.
Monday Night
A slight chance of snow showers. Partly cloudy, with a low around 6.
Tuesday
A slight chance of snow showers. Mostly sunny, with a high near 29.
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ABOUT THIS FORECAST

 
Point Forecast:
Old Faithful WY
 44.45°N 110.85°W (Elev. 7398 ft)
8:47 am MST Jan 21, 2026
8am MST Jan 21, 2026-6pm MST Jan 27, 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