Heavy Rain and Thunderstorms in the Plains; Snow in the Northern Rockies; Heavy Rain in Guam

A storm system moving over the Rockies today will bring marginal risks for excessive rainfall and severe thunderstorms from parts of New Mexico into western South Dakota. Heavy snow expected from northwestern Wyoming into southern Montana. Ongoing heavy showers and thunderstorms from Invest 96W could result in localized flash flooding, particularly in central or southern Guam early this morning. Read More >

Current conditions at

Garrison I-90 MP 174.4 (MTGAR)

Lat: 46.52361°NLon: 112.80843°WElev: 4327.0ft.

unknown precip

34°F

1°C

Humidity	100%
Wind Speed	NNW 4 MPH
Barometer	NA
Dewpoint	34°F (1°C)
Visibility	NA
Wind Chill	30°F (-1°C)
Last update	15 Oct 08:15 AM MDT

More Information:

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

Extended Forecast for

Garrison MT

Today
High: 52 °F
Chance
Rain/Snow and
Patchy Fog
then Chance
Rain
Tonight
Low: 26 °F
Chance Rain
then Chance
Rain/Snow
Thursday
High: 53 °F
Chance
Rain/Snow
then Slight
Chance Rain
Thursday Night
Low: 25 °F
Mostly Clear
then Frost
Friday
High: 55 °F
Slight Chance
Rain/Snow
then Chance
Rain
Friday Night
Low: 25 °F
Chance Rain
then Chance
Rain/Snow
Saturday
High: 57 °F
Frost then
Mostly Sunny
Saturday Night
Low: 32 °F
Partly Cloudy
then Slight
Chance Rain
Sunday
High: 59 °F
Rain Likely

Detailed Forecast

Today

A slight chance of rain and snow before 9am, then a chance of rain. Patchy fog before noon. Otherwise, mostly cloudy, with a high near 52. Calm wind. Chance of precipitation is 30%. Little or no snow accumulation expected.

Tonight

A chance of rain before 3am, then a chance of rain and snow. Patchy frost between midnight and 2am. Otherwise, mostly cloudy, with a low around 26. Calm wind. Chance of precipitation is 50%. Little or no snow accumulation expected.

Thursday

A chance of rain and snow before 10am, then a chance of rain. Partly sunny, with a high near 53. Calm wind becoming west northwest 5 to 8 mph in the afternoon. Chance of precipitation is 50%. Little or no snow accumulation expected.

Thursday Night

Widespread frost after 3am. Otherwise, partly cloudy, with a low around 25. West southwest wind 7 to 10 mph, with gusts as high as 22 mph.

Friday

A slight chance of rain and snow before 9am, then a chance of rain. Mostly sunny, with a high near 55. West wind 6 to 15 mph, with gusts as high as 29 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

Friday Night

A chance of rain before 3am, then a chance of rain and snow. Snow level 6300 feet lowering to 5100 feet after midnight . Mostly cloudy, with a low around 25. Chance of precipitation is 30%. Little or no snow accumulation expected.

Saturday

Widespread frost, mainly before 10am. Otherwise, mostly sunny, with a high near 57.

Saturday Night

A slight chance of rain after midnight. Partly cloudy, with a low around 32.

Sunday

Rain likely, mainly after noon. Mostly cloudy, with a high near 59.

Sunday Night

Rain likely before 3am, then rain and snow likely. Snow level 6600 feet lowering to 5000 feet after midnight . Mostly cloudy, with a low around 27.

Monday

Rain and snow likely. Snow level 4800 feet. Mostly cloudy, with a high near 50.

Monday Night

A slight chance of rain and snow. Widespread frost. Snow level 5000 feet lowering to 4400 feet after midnight . Otherwise, partly cloudy, with a low around 21.

Tuesday

Widespread frost. Otherwise, partly sunny, with a high near 50.