Heat Wave Continues in the West; Critical Fire Weather Conditions in the High Plains

An anomalously early heat wave will continue to intensify and expand across the West and Southwest as the week progresses. Numerous daily and potentially monthly record highs are expected to be broken. Critical fire weather conditions will continue over the next couple of days across portions of the High Plains as gusty winds and dry conditions persist. Read More >

Hazardous Weather Conditions

High Wind Warning in effect from March 18, 06:00 AM MDT until March 18, 09:00 PM MDT

Current conditions at

USCRN SITE NEAR ST. MARY 1SSW (MRYM8)

Lat: 48.74111°NLon: 113.43306°WElev: 4550.0ft.

46°F

8°C

Humidity	59%
Wind Speed	NA 15 MPH
Barometer	NA
Dewpoint	32°F (0°C)
Visibility	NA
Wind Chill	40°F (4°C)
Last update	18 Mar 05:10 AM MDT

More Information:

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

Extended Forecast for

5 Miles WSW St Mary MT

High Wind Warning March 18, 06:00am until March 18, 09:00pm

Click here for hazard details and duration

High Wind Warning

Overnight
Low: 32 °F
Chance
Rain/Snow and
Windy
Wednesday
High: 37 °F
Rain/Snow
Likely and
Windy
Wednesday Night
Low: 33 °F
Windy. Mostly
Cloudy then
Slight Chance
Rain
Thursday
High: 39 °F
Windy. Slight
Chance Snow
then Slight
Chance
Rain/Snow
Thursday Night
Low: 35 °F
Chance Rain
and Windy
Friday
High: 39 °F
Rain/Snow
Likely and
Windy
Friday Night
Low: 30 °F
Rain/Snow
Likely and
Windy
Saturday
High: 33 °F
Chance Snow
and Breezy
Saturday Night
Low: 18 °F
Slight Chance
Snow then
Mostly Clear

Detailed Forecast

Overnight

A chance of rain and snow. Mostly cloudy, with a low around 32. Windy, with a west southwest wind around 40 mph, with gusts as high as 70 mph. Chance of precipitation is 50%. Total nighttime snow accumulation of less than a half inch possible.

Wednesday

Rain and snow likely before 3pm, then a slight chance of rain between 3pm and 4pm. Partly sunny, with a high near 37. Windy, with a west southwest wind 37 to 40 mph, with gusts as high as 70 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

Wednesday Night

A slight chance of rain between 1am and 2am. Partly cloudy, with a low around 33. Windy, with a west southwest wind 34 to 39 mph, with gusts as high as 65 mph. Chance of precipitation is 20%.

Thursday

A slight chance of snow before noon, then a slight chance of rain and snow between noon and 3pm, then a slight chance of rain after 3pm. Mostly sunny, with a high near 39. Windy, with a west southwest wind 39 to 44 mph, with gusts as high as 70 mph. Chance of precipitation is 20%.

Thursday Night

A 30 percent chance of rain. Mostly cloudy, with a low around 35. Windy, with a west southwest wind 36 to 41 mph, with gusts as high as 70 mph.

Friday

Rain likely, possibly mixed with snow, becoming all rain after 3pm. Mostly cloudy, with a high near 39. Windy, with a west southwest wind 29 to 38 mph, with gusts as high as 70 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

Friday Night

Rain likely, possibly mixed with snow before 3am, then a chance of snow. Mostly cloudy, with a low around 30. Windy, with a southwest wind 26 to 33 mph, with gusts as high as 60 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

Saturday

A chance of snow. Partly sunny, with a high near 33. Breezy, with a west southwest wind 21 to 23 mph, with gusts as high as 45 mph.

Saturday Night

A slight chance of snow before midnight. Partly cloudy, with a low around 18.

Sunday

Sunny, with a high near 31.

Sunday Night

Mostly clear, with a low around 21.

Monday

Partly sunny, with a high near 32. Breezy.

Monday Night

Mostly cloudy, with a low around 23. Breezy.