Significant Winter Weather in the Southern and Eastern U.S.

A wintry mix is expected tonight from the Ohio Valley into the Mid-Atlantic and southern New England along a cold front. One or more waves of low pressure tracking east along this front will likely bring areas of heavy snow and significant ice from south Texas into the Carolinas Thursday night into Saturday morning. Read More >

Hazardous Weather Conditions

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Current conditions at

OLD FAITHFUL (OFAW4)

Lat: 44.456667°NLon: 110.849444°WElev: 7360ft.

-16°C

4°F

Humidity	96%
Wind Speed	ESE 2 MPH
Barometer	NA
Dewpoint	-16°C (3°F)
Visibility	NA
Last update	20 Jan 03:15 AM MST

More Information:

Local Forecast Office More Local Wx 3 Day History Mobile Weather Hourly Weather Forecast

Extended Forecast for

5 Miles SSW Lewis Lake WY

Today

Chance Snow
then Snow and
Breezy
High: -6 °C
Tonight

Snow then
Chance Snow
Low: -11 °C
Friday

Chance Snow
Showers
High: -3 °C
Friday
Night

Mostly Cloudy
Low: -17 °C
Saturday

Mostly Sunny
High: -3 °C
Saturday
Night

Mostly Clear
Low: -15 °C
Sunday

Mostly Sunny
High: -3 °C
Sunday
Night

Slight Chance
Snow
Low: -15 °C
Monday

Chance Snow
High: -4 °C

Detailed Forecast

Today

Snow, mainly after noon. High near -6. Wind chill values as low as -20. Breezy, with a southwest wind 14 to 24 km/h, with gusts as high as 37 km/h. Chance of precipitation is 90%. Total daytime snow accumulation of 2 to 4 centimeters possible.

Tonight

Snow, mainly before 11pm. Snow level 3100 meters lowering to 2500 meters after midnight . Low around -11. Wind chill values as low as -20. Southwest wind 14 to 21 km/h, with gusts as high as 32 km/h. Chance of precipitation is 100%. New snow accumulation of 3 to 7 centimeters possible.

Friday

A slight chance of snow before 7am, then a chance of snow showers between 7am and 4pm, then a chance of snow after 4pm. Snow level rising to 3400 meters in the afternoon. Mostly cloudy, with a high near -3. North wind 11 to 21 km/h, with gusts as high as 32 km/h. Chance of precipitation is 40%. New snow accumulation of less than a half centimeter possible.

Friday Night

Mostly cloudy, with a low around -17. North wind 10 to 13 km/h becoming south after midnight.

Saturday

Mostly sunny, with a high near -3. South southeast wind 10 to 16 km/h becoming west northwest in the afternoon.

Saturday Night

Mostly clear, with a low around -15. North wind around 11 km/h becoming southeast after midnight.

Sunday

Mostly sunny, with a high near -3. West southwest wind 11 to 21 km/h.

Sunday Night

A 20 percent chance of snow after 11pm. Partly cloudy, with a low around -15.

Monday

A 30 percent chance of snow, mainly after 11am. Partly sunny, with a high near -4.