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

8°F

-13°C

Humidity 100%
Wind Speed ENE 4 MPH
Barometer NA
Dewpoint 8°F (-13°C)
Visibility NA
Wind Chill0°F (-18°C)
Last update 20 Jan 11:15 PM MST
Extended Forecast for

Old Faithful WY

  • Overnight

    Overnight: Partly cloudy, with a steady temperature around 2. Wind chill values as low as -10. South southwest wind around 5 mph.

    Low: 2 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 24. Wind chill values as low as -10. Southwest wind 3 to 8 mph.

    High: 24 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: 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.

    High: 19 °F

    Sunny

  • Saturday Night

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

    Low: -4 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a steady temperature around 2. Wind chill values as low as -10. South southwest wind around 5 mph.
Wednesday
Mostly sunny, with a high near 24. Wind chill values as low as -10. Southwest wind 3 to 8 mph.
Wednesday Night
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.
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)
11:47 pm MST Jan 20, 2026
12am 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