Severe Thunderstorm, Flooding, and Winter Weather Threats on Tuesday

Scattered severe thunderstorms are forecast Tuesday from the southern Plains into the southern Great Lakes vicinity. Thunderstorms may also produce heavy to excessive rain that could pose a flooding threat from central Texas into southern Oklahoma and northern Missouri into southern Michigan. A heavy wintry mix is forecast for the Great Lakes into northern Maine. Read More >

Hazardous Weather Conditions

High Wind Watch in effect from March 11, 06:00 PM MDT until March 12, 06:00 PM MDT
Winter Storm Watch in effect from March 11, 06:00 PM MDT until March 13, 06:00 PM MDT

Current conditions at

Logan Pass Visitors Center (LGPVC)

Lat: 48.6949°NLon: 113.7169°WElev: 6775.0ft.

13°F

-11°C

Humidity	90%
Wind Speed	WNW 12 MPH
Barometer	29.74 in (1007.11 mb)
Dewpoint	11°F (-12°C)
Visibility	NA
Wind Chill	-1°F (-18°C)
Last update	10 Mar 02:00 AM MDT

More Information:

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

Extended Forecast for

10 Miles SW St Mary MT

Winter Storm Watch March 11, 06:00pm until March 13, 06:00pm

High Wind Watch March 11, 06:00pm until March 12, 06:00pm

Click here for hazard details and duration

Winter Storm Watch

High Wind Watch

Overnight
Low: 10 °F
Snow Likely
and Patchy
Blowing Snow
Tuesday
High: 16 °F
Snow and
Breezy
Tuesday Night
Low: 12 °F
Snow Likely
and Breezy
Wednesday
High: 25 °F
Snow and
Windy
Wednesday Night
Low: 23 °F
Heavy Snow
and Blowing
Snow
Thursday
High: 26 °F
Heavy Snow
and Blowing
Snow
Thursday Night
Low: 19 °F
Heavy Snow
and Windy
Friday
High: 23 °F
Heavy Snow
Friday Night
Low: 10 °F
Heavy Snow

Detailed Forecast

Overnight

Snow likely, mainly after 5am. Patchy blowing snow after 5am. Mostly cloudy, with a low around 10. Wind chill values as low as -10. Southwest wind around 17 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. Total nighttime snow accumulation of less than one inch possible.

Tuesday

Snow, mainly before 3pm. High near 16. Wind chill values as low as -5. Breezy, with a west wind 17 to 25 mph, with gusts as high as 36 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

Tuesday Night

Snow likely, mainly after 5am. Mostly cloudy, with a low around 12. Wind chill values as low as -5. Breezy, with a west southwest wind 22 to 25 mph, with gusts as high as 34 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.

Wednesday

Snow. High near 25. Wind chill values as low as -5. Windy, with a west southwest wind 25 to 30 mph, with gusts as high as 45 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

Wednesday Night

Snow. The snow could be heavy at times. Widespread blowing snow. Low around 23. Very windy, with a west southwest wind 30 to 35 mph increasing to 41 to 46 mph after midnight. Winds could gust as high as 60 mph. Chance of precipitation is 100%. New snow accumulation of 8 to 12 inches possible.

Thursday

Snow. The snow could be heavy at times. Widespread blowing snow. High near 26. Very windy, with a west southwest wind 44 to 55 mph, with gusts as high as 70 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.

Thursday Night

Snow. The snow could be heavy at times. Low around 19. Windy, with a west wind 32 to 37 mph decreasing to 21 to 26 mph after midnight. Winds could gust as high as 49 mph. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.

Friday

Snow. The snow could be heavy at times. Cloudy, with a high near 23. West southwest wind 18 to 21 mph, with gusts as high as 33 mph.

Friday Night

Snow. The snow could be heavy at times. Cloudy, with a low around 10.

Saturday

Snow. The snow could be heavy at times. Cloudy, with a high near 17.

Saturday Night

Snow likely. Mostly cloudy, with a low around 6.

Sunday

A chance of snow. Mostly cloudy, with a high near 21.

Sunday Night

A chance of snow. Mostly cloudy, with a low around 18. Breezy.