Showers and Thunderstorms; Fire Weather Threats

A series of cold fronts will produce showers and a few strong thunderstorms across parts of the High Plains and into the northern Rockies, and the Mid-Atlantic. Strong, dry winds in the northern Plains, 4-Corners area, and the Southeast will produce elevated fire weather threats. Locally heavy rain may cause flash flooding in Hawaii. Read More >

Hazardous Weather Conditions

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Current conditions at

Karst US-191 MP 55.3 (MTKAR)

Lat: 45.34534°NLon: 111.17261°WElev: 5699ft.

N/A

64°F

18°C

Humidity	37%
Wind Speed	NNW 10 MPH
Barometer	NA
Dewpoint	37°F (3°C)
Visibility	NA
Last update	07 May 01:56 PM MDT

More Information:

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

Extended Forecast for

4 Miles E Big Sky MT

Flash Flood Watch May 7, 03:00pm until May 8, 12:00am

Click here for hazard details and duration

Flash Flood Watch

This
Afternoon

Showers
High: 64 °F
Tonight

Showers then
Snow Showers
Low: 28 °F
Saturday

Chance Snow
High: 43 °F
Saturday
Night

Slight Chance
Snow
Low: 23 °F
Sunday

Slight Chance
Snow then
Chance
Rain/Snow
High: 47 °F
Sunday
Night

Chance Snow
then Mostly
Cloudy
Low: 26 °F
Monday

Slight Chance
Snow then
Chance
Showers
High: 48 °F
Monday
Night

Slight Chance
Rain/Snow
then Partly
Cloudy
Low: 27 °F
Tuesday

Mostly Sunny
then Chance
Rain
High: 54 °F

Detailed Forecast

This Afternoon

A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 3pm. Some of the storms could produce small hail and gusty winds. High near 64. South wind 9 to 15 mph becoming west southwest. Winds could gust as high as 28 mph. Chance of precipitation is 100%.

Tonight

Rain showers before midnight, then snow showers. Some thunder is also possible. Low around 28. West northwest wind 6 to 8 mph becoming north northeast in the evening. Winds could gust as high as 22 mph. Chance of precipitation is 100%. New snow accumulation of around an inch possible.

Saturday

A 50 percent chance of snow. Partly sunny, with a high near 43. West wind 6 to 9 mph, with gusts as high as 22 mph. New snow accumulation of less than a half inch possible.

Saturday Night

A 20 percent chance of snow. Mostly cloudy, with a low around 23. West wind 5 to 7 mph becoming calm after midnight. Winds could gust as high as 20 mph.

Sunday

A chance of snow before 3pm, then a chance of rain showers. Some thunder is also possible. Partly sunny, with a high near 47. Light and variable wind. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

Sunday Night

A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 26. North wind around 5 mph becoming calm in the evening. Little or no snow accumulation expected.

Monday

A slight chance of snow before noon, then a chance of rain showers. Some thunder is also possible. Mostly cloudy, with a high near 48. Calm wind becoming north 5 to 8 mph in the afternoon. Chance of precipitation is 50%. Little or no snow accumulation expected.

Monday Night

A slight chance of rain and snow before midnight. Partly cloudy, with a low around 27. North northeast wind 5 to 8 mph becoming light and variable after midnight.

Tuesday

A chance of rain after noon. Mostly sunny, with a high near 54.

Tuesday Night

Partly cloudy, with a low around 29.

Wednesday

Mostly sunny, with a high near 61.

Wednesday Night

Mostly cloudy, with a low around 37.

Thursday

A slight chance of showers and thunderstorms. Partly sunny, with a high near 64.