Severe Thunderstorms and Heavy Rainfall from the Lower Mississippi Valley to the Mid-Atlantic; Active Pattern Continues in Hawaii

Scattered severe thunderstorms are expected today from the ArkLaTex and Lower Mississippi Valley through the Ohio Valley and Mid-Atlantic. Thunderstorms may produce heavy to excessive rain that could pose a flooding threat today from east Texas into New York. A powerful kona storm will continue to impact Hawaii through Saturday, bringing heavy rainfall, strong winds, and severe thunderstorms. Read More >

Hazardous Weather Conditions

Current conditions at

Lewistown, Lewistown Municipal Airport (KLWT)

Lat: 47.04917°NLon: 109.46639°WElev: 4167.0ft.

Overcast

25°F

-4°C

Humidity	49%
Wind Speed	SSW 8 MPH
Barometer	30.14 in (1020.66 mb)
Dewpoint	8°F (-13°C)
Visibility	10.00 mi
Wind Chill	16°F (-9°C)
Last update	11 Mar 08:20 AM MDT

More Information:

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

Extended Forecast for

4 Miles SW Lewistown Municipal MT

Winter Storm Watch March 12, 06:00pm until March 14, 06:00pm

High Wind Warning March 12, 03:00am until March 12, 06:00pm

Click here for hazard details and duration

Winter Storm Watch

High Wind Warning

Today
High: 41 °F
Breezy.
Partly Sunny
then Slight
Chance Snow
Tonight
Low: 35 °F⇑
Chance Snow
then Slight
Chance
Rain/Snow and
Windy
Thursday
High: 47 °F⇓
Windy. Chance
Rain/Snow
then Snow
Thursday Night
Low: 25 °F
Snow and
Blustery
Friday
High: 34 °F
Snow
Friday Night
Low: 20 °F
Snow
Saturday
High: 34 °F
Snow
Saturday Night
Low: 8 °F
Snow
Sunday
High: 29 °F
Chance Snow

Detailed Forecast

Today

A slight chance of snow between 2pm and 3pm. Partly sunny, with a high near 41. Breezy, with a west wind 11 to 16 mph increasing to 19 to 24 mph in the morning. Winds could gust as high as 36 mph. Chance of precipitation is 20%.

Tonight

A chance of snow before midnight, then a slight chance of rain and snow. Cloudy, with a temperature falling to near 35 by 8pm, then rising to around 43 during the remainder of the night. Windy, with a southwest wind 13 to 18 mph increasing to 25 to 30 mph after midnight. Winds could gust as high as 48 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

Thursday

A chance of rain before 9am, then a chance of rain and snow between 9am and noon, then snow after noon. Temperature falling to around 37 by 5pm. Windy, with a west wind 32 to 38 mph, with gusts as high as 55 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

Thursday Night

Snow. Low around 25. Blustery, with a west wind 19 to 24 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 37 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

Friday

Snow. High near 34. West northwest wind 11 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

Friday Night

Snow. Low around 20. North wind around 9 mph becoming southeast after midnight. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

Saturday

Snow. High near 34. East southeast wind 9 to 15 mph becoming north northwest in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

Saturday Night

Snow, mainly before midnight. Cloudy, with a low around 8. Northwest wind 7 to 15 mph, with gusts as high as 24 mph.

Sunday

A chance of snow. Partly sunny, with a high near 29.

Sunday Night

A chance of snow. Mostly cloudy, with a low around 16.

Monday

A chance of rain and snow. Cloudy, with a high near 48.

Monday Night

A chance of rain and snow. Mostly cloudy, with a low around 36.

Tuesday

A slight chance of rain. Mostly cloudy, with a high near 61.