Severe Weather Expected From the South to the Midwest; Critical Fire Weather in the Southwest; Excessive Heat in Texas

Isolated to scattered severe thunderstorms are expected to develop from the southern Plains to portions of the Midwest Friday. Damaging winds and very large hail will be the primary hazards. On the drier side of the system, critical fire weather conditions will be possible across the Southwest. Meanwhile, excessive heat concerns continue to impact portions of southern Texas and Florida. Read More >

Current conditions at

Lewistown, Lewistown Municipal Airport (KLWT)

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

Clear

45°F

7°C

Humidity	65%
Wind Speed	N 0 MPH
Barometer	29.82 in (1009.82 mb)
Dewpoint	34°F (1°C)
Visibility	10.00 mi
Last update	24 May 07:35 AM MDT

More Information:

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

Extended Forecast for

Lewistown MT

Today
High: 60 °F
Mostly Sunny
then Chance
T-storms
Tonight
Low: 36 °F
Slight Chance
T-storms then
Partly Cloudy
Saturday
High: 63 °F
Partly Sunny
then Showers
Saturday Night
Low: 38 °F
Showers
Likely then
Chance
T-storms
Sunday
High: 59 °F
Chance Rain
Sunday Night
Low: 38 °F
Mostly Clear
Memorial Day
High: 68 °F
Sunny
Monday Night
Low: 43 °F
Mostly Clear
Tuesday
High: 77 °F
Sunny

Detailed Forecast

Today

A 40 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 60. West northwest wind 6 to 11 mph, with gusts as high as 22 mph.

Tonight

A 20 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 36. West northwest wind 5 to 10 mph becoming light and variable in the evening.

Saturday

Showers and possibly a thunderstorm after noon. High near 63. Calm wind becoming east southeast around 5 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Saturday Night

Showers likely and possibly a thunderstorm before midnight, then a chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 38. South southeast wind 6 to 8 mph becoming west after midnight. Chance of precipitation is 70%.

Sunday

A 30 percent chance of rain. Partly sunny, with a high near 59. West northwest wind 9 to 15 mph, with gusts as high as 25 mph.

Sunday Night

Mostly clear, with a low around 38. West southwest wind 6 to 15 mph, with gusts as high as 25 mph.

Memorial Day

Sunny, with a high near 68. Southwest wind 6 to 10 mph becoming west northwest in the afternoon. Winds could gust as high as 20 mph.

Monday Night

Mostly clear, with a low around 43. Northwest wind 5 to 8 mph becoming light and variable.

Tuesday

Sunny, with a high near 77.

Tuesday Night

A slight chance of showers and thunderstorms before midnight, then a slight chance of rain after midnight. Mostly cloudy, with a low around 49.