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The Regional Temperatures and Precipitation Product for the State of Montana (RTPMT) will be discontinued on May 6, 2026.

Hazardous Weather Conditions

Winter Storm Watch in effect from April 22, 06:00 PM MDT until April 23, 06:00 PM MDT

Current conditions at

PORPHYRY (PHYM8)

Lat: 46.83821°NLon: 110.71813°WElev: 8232.0ft.

47°F

8°C

Humidity	36%
Wind Speed	SSW 9 MPH
Barometer	NA
Dewpoint	21°F (-6°C)
Visibility	NA
Wind Chill	43°F (6°C)
Last update	22 Apr 06:05 AM MDT

More Information:

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

Extended Forecast for

5 Miles NW Sand Point MT

Winter Storm Watch April 22, 06:00pm until April 23, 06:00pm

Click here for hazard details and duration

Winter Storm Watch

Today
High: 50 °F⇓
Breezy. Sunny
then Heavy
Snow
Tonight
Low: 20 °F
Heavy Snow
and Blowing
Snow
Thursday
High: 24 °F
Snow and
Areas Blowing
Snow
Thursday Night
Low: 14 °F
Snow Likely
Friday
High: 22 °F
Snow
Friday Night
Low: 10 °F
Chance Snow
Saturday
High: 26 °F
Chance Snow
Saturday Night
Low: 13 °F
Chance Snow
Sunday
High: 28 °F
Snow Likely

Detailed Forecast

Today

Snow showers likely, mainly after 4pm. The snow could be heavy at times. Some thunder is also possible. Increasing clouds, with a temperature rising to near 50 by 10am, then falling to around 39 during the remainder of the day. Breezy, with a south southwest wind 15 to 25 mph, with gusts as high as 39 mph. Chance of precipitation is 70%. Total daytime snow accumulation of 1 to 2 inches possible.

Tonight

Snow, mainly before 5am. The snow could be heavy at times. Widespread blowing snow, mainly between 7pm and 5am. Low around 20. Breezy, with a west wind 25 to 29 mph, with gusts as high as 41 mph. Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.

Thursday

Snow. Areas of blowing snow before noon. High near 24. Blustery, with a northwest wind 20 to 26 mph, with gusts as high as 38 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

Thursday Night

Snow likely. Mostly cloudy, with a low around 14. Wind chill values as low as zero. Northwest wind 16 to 20 mph, with gusts as high as 32 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

Friday

Snow. High near 22. Northwest wind 16 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

Friday Night

A 50 percent chance of snow. Mostly cloudy, with a low around 10. Northwest wind 13 to 17 mph, with gusts as high as 28 mph. New snow accumulation of less than a half inch possible.

Saturday

A 50 percent chance of snow. Partly sunny, with a high near 26. Northwest wind 11 to 13 mph, with gusts as high as 23 mph. New snow accumulation of less than one inch possible.

Saturday Night

A chance of snow. Mostly cloudy, with a low around 13. North northwest wind 7 to 10 mph becoming east northeast after midnight. Winds could gust as high as 20 mph.

Sunday

Snow likely, mainly after noon. Mostly cloudy, with a high near 28.

Sunday Night

A chance of snow. Mostly cloudy, with a low around 15.

Monday

A chance of snow. Partly sunny, with a high near 36.

Monday Night

A chance of snow. Mostly cloudy, with a low around 22.

Tuesday

A chance of snow. Mostly sunny, with a high near 41.