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

HELENA VALLEY (HVMT)

Lat: 46.67917°NLon: 111.98333°WElev: 3673.0ft.

37°F

3°C

Humidity	83%
Wind Speed	S 0 MPH
Barometer	NA
Dewpoint	32°F (0°C)
Visibility	NA
Last update	15 Oct 05:00 AM MDT

More Information:

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

Extended Forecast for

11 Miles ENE East Helena MT

Today
High: 49 °F
Chance
Rain/Snow and
Patchy Fog
then Chance
Rain
Tonight
Low: 34 °F
Rain Likely
Thursday
High: 52 °F
Rain Likely
then Chance
Rain
Thursday Night
Low: 34 °F
Slight Chance
Rain then
Partly Cloudy
Friday
High: 55 °F
Chance Rain
Friday Night
Low: 32 °F
Chance Rain
Saturday
High: 55 °F
Sunny
Saturday Night
Low: 39 °F
Partly Cloudy
then Slight
Chance Rain
Sunday
High: 60 °F
Chance Rain

Detailed Forecast

Today

A chance of rain and snow before 8am, then a chance of rain. Patchy fog before noon. Otherwise, mostly cloudy, with a high near 49. Light west northwest wind. Chance of precipitation is 50%. Little or no snow accumulation expected.

Tonight

Rain likely, mainly between midnight and 5am. Mostly cloudy, with a low around 34. Calm wind becoming west northwest around 5 mph after midnight. Chance of precipitation is 60%.

Thursday

Rain likely, mainly before noon. Mostly cloudy, with a high near 52. West northwest wind 5 to 7 mph. Chance of precipitation is 70%.

Thursday Night

A 20 percent chance of rain before midnight. Partly cloudy, with a low around 34. Southwest wind 8 to 14 mph, with gusts as high as 24 mph.

Friday

A 30 percent chance of rain, mainly after noon. Mostly sunny, with a high near 55. Southwest wind 10 to 16 mph, with gusts as high as 25 mph.

Friday Night

A 50 percent chance of rain. Mostly cloudy, with a low around 32. West wind 10 to 14 mph, with gusts as high as 26 mph.

Saturday

Sunny, with a high near 55. Southwest wind 7 to 10 mph, with gusts as high as 21 mph.

Saturday Night

A slight chance of rain after midnight. Partly cloudy, with a low around 39. South southeast wind 8 to 17 mph, with gusts as high as 28 mph.