Dangerous Heat Builds and Expands; Critical Fire Weather for the Southwest; Severe Thunderstorms for Plains and Midwest

Dangerous to record breaking heat will build across the center of the nation and slowly build eastward this week. Wildfire conditions remain critical for the Southwest and portions of the Great Basin through Monday. For the northern Plains and upper Midwest, severe thunderstorms with the potential for large to very large hail and severe winds are the primary hazards. Read More >

Hazardous Weather Conditions

Winter Storm Warning until June 29, 09:00 AM MDT

Current conditions at

Helmville MT-200 MP 53.3 (MTHLM)

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

unknown precip

47°F

8°C

Humidity	89%
Wind Speed	NNW 2 MPH
Barometer	NA
Dewpoint	44°F (7°C)
Visibility	NA
Last update	28 Jun 05:00 AM MDT

More Information:

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

Extended Forecast for

Helmville MT

Winter Storm Warning June 28, 05:28am until June 29, 09:00am

Click here for hazard details and duration

Winter Storm Warning

Winter Storm Warning June 28, 05:28am until June 29, 09:00am
NOW until 9:00am Mon
Winter Storm Warning
Overnight
Low: 40 °F
Rain Likely
Sunday
High: 47 °F
Rain Likely
Sunday Night
Low: 39 °F
Rain
Monday
High: 50 °F
Rain
Monday Night
Low: 41 °F
Rain Likely
then Chance
Rain and
Patchy Fog
Tuesday
High: 68 °F
Slight Chance
Rain and
Areas Fog
then Partly
Sunny
Tuesday Night
Low: 43 °F
Chance
T-storms then
Partly Cloudy
Wednesday
High: 71 °F
Mostly Sunny
then Chance
Showers

Detailed Forecast

Overnight

Rain likely. Cloudy, with a low around 40. Southwest wind around 6 mph. Chance of precipitation is 70%.

Sunday

Rain likely, mainly before 9am. Cloudy, with a high near 47. West wind 6 to 14 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

Sunday Night

Rain, mainly after 8pm. Low around 39. Southwest wind 11 to 18 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

Monday

Rain. High near 50. West wind 8 to 11 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

Monday Night

Rain likely, mainly before midnight. Patchy fog after midnight. Otherwise, cloudy, with a low around 41. West wind 5 to 7 mph becoming calm after midnight. Chance of precipitation is 70%.

Tuesday

A 20 percent chance of rain before noon. Areas of fog before 7am. Otherwise, partly sunny, with a high near 68.

Tuesday Night

A chance of showers and thunderstorms before 9pm, then a chance of rain between 9pm and midnight. Partly cloudy, with a low around 43. Chance of precipitation is 30%.

Wednesday

A chance of showers and thunderstorms after noon. Partly sunny, with a high near 71.

Wednesday Night

A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 42.

Thursday

A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 74.

Thursday Night

A chance of rain and thunderstorms. Mostly cloudy, with a low around 44.

Friday

A chance of rain and thunderstorms. Partly sunny, with a high near 69.

Friday Night

A slight chance of showers and thunderstorms. Partly cloudy, with a low around 41.