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.

50°F

10°C

Humidity	56%
Wind Speed	NA 18 MPH
Barometer	NA
Dewpoint	35°F (2°C)
Visibility	NA
Wind Chill	44°F (7°C)
Last update	18 Mar 01:10 PM MDT

More Information:

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

Extended Forecast for

St Mary MT

High Wind Warning until March 18, 09:00pm

Click here for hazard details and duration

High Wind Warning

High Wind Warning until March 18, 09:00pm
NOW until 9:00pm Wed
High Wind Warning
This Afternoon
High: 49 °F
Slight Chance
Rain
Tonight
Low: 42 °F
Partly Cloudy
then Partly
Cloudy and
Breezy
Thursday
High: 53 °F
Breezy.
Mostly Sunny
then Slight
Chance Rain
Thursday Night
Low: 43 °F
Slight Chance
Rain
Friday
High: 52 °F
Rain Likely
Friday Night
Low: 40 °F
Rain Likely
then Chance
Rain/Snow
Saturday
High: 46 °F
Chance
Rain/Snow
then Chance
Snow
Saturday Night
Low: 26 °F
Slight Chance
Snow then
Mostly Clear

Detailed Forecast

This Afternoon

A 20 percent chance of rain before 3pm. Mostly sunny, with a high near 49. Southwest wind around 18 mph, with gusts as high as 41 mph.

Tonight

Partly cloudy, with a low around 42. Breezy, with a southwest wind 17 to 22 mph, with gusts as high as 47 mph.

Thursday

A 20 percent chance of rain after noon. Sunny, with a high near 53. Breezy, with a southwest wind around 23 mph, with gusts as high as 49 mph.

Thursday Night

A 20 percent chance of rain. Partly cloudy, with a low around 43. West southwest wind 18 to 21 mph, with gusts as high as 45 mph.

Friday

Rain likely, mainly after noon. Partly sunny, with a high near 52. West southwest wind 15 to 20 mph, with gusts as high as 44 mph. Chance of precipitation is 60%.

Friday Night

Rain likely before 3am, then a chance of rain and snow. Mostly cloudy, with a low around 40. Southwest wind 14 to 18 mph, with gusts as high as 39 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

Saturday

A chance of rain and snow before noon, then a chance of snow. Partly sunny, with a high near 46. West southwest wind 11 to 13 mph, with gusts as high as 29 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

Saturday Night

A slight chance of snow before midnight. Mostly clear, with a low around 26. Southwest wind 6 to 11 mph, with gusts as high as 25 mph.

Sunday

Sunny, with a high near 43.

Sunday Night

Mostly clear, with a low around 28.

Monday

Partly sunny, with a high near 44.

Monday Night

Mostly cloudy, with a low around 29.

Tuesday

A chance of rain and snow. Partly sunny, with a high near 48.