Heavy Rainfall Threat Continues in the Southwest on Monday; Record Warmth in the Plains and Midwest

Remnant moisture from Tropical Storm Rachel will persist over portions of the Great Basin and Southwest on Monday, bringing a potential heavy to excessive rainfall risk. Well above average and potentially record breaking temperatures will develop across the Plains and Midwest early this week, spreading into the Lower Mississippi Valley and Southeast midweek. Read More >

Hazardous Weather Conditions

Dense Fog Advisory in effect from October 12, 09:00 PM MDT until October 13, 12:00 PM MDT

Current conditions at

Helena Regional Airport (KHLN)

Lat: 46.60445°NLon: 111.9892°WElev: 3874.0ft.

Clear

35°F

2°C

Humidity	72%
Wind Speed	WNW 3 MPH
Barometer	29.98 in (1015.24 mb)
Dewpoint	27°F (-3°C)
Visibility	10.00 mi
Last update	12 Oct 05:53 PM MDT

More Information:

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

Extended Forecast for

6 Miles NW Winston MT

Dense Fog Advisory October 12, 09:00pm until October 13, 12:00pm

Click here for hazard details and duration

Dense Fog Advisory

Tonight
Low: 21 °F
Slight Chance
Snow then
Patchy Dense
Fog
Tuesday
High: 39 °F
Patchy Dense
Fog then
Sunny
Tuesday Night
Low: 24 °F
Partly Cloudy
Wednesday
High: 47 °F
Sunny
Wednesday Night
Low: 34 °F
Partly Cloudy
Thursday
High: 55 °F
Sunny
Thursday Night
Low: 33 °F
Mostly Clear
Friday
High: 63 °F
Sunny
Friday Night
Low: 38 °F
Mostly Clear

Detailed Forecast

Tonight

A 20 percent chance of snow before 8pm. Patchy dense fog after 3am. Otherwise, partly cloudy, with a low around 21. South wind 5 to 7 mph.

Tuesday

Patchy dense fog before noon. Otherwise, mostly sunny, with a high near 39. South wind around 5 mph becoming calm in the morning.

Tuesday Night

Partly cloudy, with a low around 24. South southeast wind 5 to 8 mph.

Wednesday

Sunny, with a high near 47. South southeast wind 5 to 9 mph.

Wednesday Night

Partly cloudy, with a low around 34. West southwest wind 3 to 6 mph.

Thursday

Sunny, with a high near 55. West wind around 5 mph becoming light and variable in the afternoon.

Thursday Night

Mostly clear, with a low around 33. Light east southeast wind becoming south southeast 8 to 13 mph in the evening. Winds could gust as high as 20 mph.

Friday

Sunny, with a high near 63. South southeast wind around 11 mph, with gusts as high as 18 mph.

Friday Night

Mostly clear, with a low around 38.

Saturday

Sunny, with a high near 66.

Saturday Night

Partly cloudy, with a low around 39.

Sunday

Sunny, with a high near 64.

Sunday Night

Mostly clear, with a low around 39.