Severe Weather Threats Across the Plains; Dangerous Heat and Wildfire Concerns for the West; Watching the Tropics

Severe thunderstorms are expected across the Central Plains accompanied by damaging wind gusts and large hail. In addition, heavy rainfall may lead to instances of flash flooding from the Plains and mid-Atlantic regions. The heavy rainfall threat continues across Florida and across the northern Gulf as we monitor a tropical disturbance tracking westward. Critical fire weather for the Great Basin. Read More >

Current conditions at

Lewistown, Lewistown Municipal Airport (KLWT)

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

Overcast

53°F

12°C

Humidity	92%
Wind Speed	ESE 8 MPH
Barometer	30.17 in (1021.67 mb)
Dewpoint	51°F (11°C)
Visibility	10.00 mi
Last update	15 Jul 05:54 AM MDT

More Information:

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

Extended Forecast for

Lewistown MT

Today
High: 56 °F
Showers
Tonight
Low: 43 °F
Showers then
Showers
Likely
Wednesday
High: 64 °F
Chance
Showers
Wednesday Night
Low: 43 °F
Partly Cloudy
Thursday
High: 78 °F
Sunny
Thursday Night
Low: 49 °F
Slight Chance
T-storms then
Mostly Clear
Friday
High: 76 °F
Mostly Sunny
Friday Night
Low: 51 °F
Mostly Clear
Saturday
High: 86 °F
Sunny then
Slight Chance
T-storms

Detailed Forecast

Today

Showers, with thunderstorms also possible after noon. High near 56. East northeast wind 9 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

Tonight

Showers and possibly a thunderstorm before 9pm, then showers likely. Low around 43. Northeast wind 5 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

Wednesday

A 40 percent chance of showers, mainly before noon. Partly sunny, with a high near 64. East wind 5 to 9 mph.

Wednesday Night

Partly cloudy, with a low around 43. East southeast wind 6 to 9 mph.

Thursday

Sunny, with a high near 78. South southeast wind 5 to 7 mph becoming north in the afternoon.

Thursday Night

A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Partly cloudy, with a low around 49. Northeast wind 5 to 7 mph becoming light and variable after midnight. Chance of precipitation is 20%.

Friday

Mostly sunny, with a high near 76. Light and variable wind becoming north 5 to 7 mph in the morning.

Friday Night

Mostly clear, with a low around 51. East northeast wind around 6 mph becoming south southeast after midnight.

Saturday

A slight chance of showers and thunderstorms after noon. Sunny, with a high near 86.

Saturday Night

A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 54.

Sunday

A slight chance of showers and thunderstorms. Mostly sunny, with a high near 83.

Sunday Night

A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 52.