Severe Weather in the Central Plains; Fire Concerns in the Southern High Plains and Southwest; Late-Season Mountain Snow

Severe storms, including large hail, wind, and perhaps a couple of tornadoes, are possible in the central Plains. Dry, windy conditions and lightning from dry thunderstorms may produce hazardous fire conditions in the Southwest and southern High Plains. Late-season snow is expected in the Northwest and the Great Basin. Heat is spreading across the eastern U.S.. Read More >

Hazardous Weather Conditions

Winter Weather Advisory in effect from May 17, 12:00 AM MDT until May 18, 12:00 AM MDT

Current conditions at

Helmville MT-200 MP 53.3 (MTHLM)

Lat: 46.96826°NLon: 112.97487°WElev: 4199.0ft.

unknown precip

43°F

6°C

Humidity	65%
Wind Speed	W 3 MPH
Barometer	NA
Dewpoint	32°F (0°C)
Visibility	NA
Last update	16 May 12:45 PM MDT

More Information:

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

Extended Forecast for

2 Miles W Ovando MT

Winter Weather Advisory May 17, 12:00am until May 18, 12:00am

Click here for hazard details and duration

Winter Weather Advisory

This Afternoon
High: 52 °F
Slight Chance
T-storms
Tonight
Low: 27 °F
Slight Chance
Rain/Snow
then Slight
Chance Snow
Sunday
High: 50 °F
Rain/Snow
Likely
Sunday Night
Low: 26 °F
Chance
Rain/Snow
then Frost
Monday
High: 58 °F
Frost then
Mostly Sunny
Monday Night
Low: 28 °F
Partly Cloudy
then Frost
Tuesday
High: 63 °F
Frost then
Mostly Sunny
Tuesday Night
Low: 33 °F
Partly Cloudy
Wednesday
High: 64 °F
Mostly Sunny
then Chance
Rain

Detailed Forecast

This Afternoon

A 20 percent chance of showers and thunderstorms. Snow level 5400 feet. Partly sunny, with a high near 52. West wind 11 to 15 mph, with gusts as high as 23 mph.

Tonight

A slight chance of rain and snow before 11pm, then a slight chance of snow between 11pm and 5am. Mostly cloudy, with a low around 27. West northwest wind 10 to 15 mph becoming light west southwest after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 20%.

Sunday

A chance of snow before 10am, then rain and snow showers likely between 10am and 1pm, then rain showers likely after 1pm. Some thunder is also possible. Snow level rising to 5400 feet in the afternoon. Mostly cloudy, with a high near 50. Calm wind becoming north 5 to 8 mph in the morning. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

Sunday Night

A chance of rain, mixing with snow after 9pm, then gradually ending. Widespread frost, mainly after 1am. Snow level 5300 feet lowering to 4200 feet after midnight . Otherwise, mostly cloudy, with a low around 26. Northeast wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 40%. Little or no snow accumulation expected.

Monday

Widespread frost before 9am. Otherwise, mostly sunny, with a high near 58. Calm wind.

Monday Night

Widespread frost, mainly after 3am. Otherwise, partly cloudy, with a low around 28.

Tuesday

Widespread frost, mainly before 8am. Otherwise, mostly sunny, with a high near 63.

Tuesday Night

Partly cloudy, with a low around 33.

Wednesday

A chance of rain after noon. Partly sunny, with a high near 64.

Wednesday Night

Partly cloudy, with a low around 35.