Heat in the Central U.S.; Heavy Rain Possible for South Texas; Monitoring Erin Tropical Impacts

Hot temperatures are forecast over the Plains and into the lower Mississippi River Valley Friday where Heat Advisories have been issued. Heavy rain from a disturbance in the western Gulf could bring flooding to south Texas. Erin could bring tropical storm conditions and heavy rain to Puerto Rico and the USVI this weekend with dangerous surf and rip currents impacting the western Atlantic Basin. Read More >

Current conditions at

Lewistown, Lewistown Municipal Airport (KLWT)

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

Partly Cloudy

63°F

17°C

Humidity	72%
Wind Speed	E 11 MPH
Barometer	30.0 in (1015.92 mb)
Dewpoint	54°F (12°C)
Visibility	10.00 mi
Last update	14 Aug 10:55 PM MDT

More Information:

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

Extended Forecast for

6 Miles N Lewistown MT

Tonight
Low: 55 °F
Partly Cloudy
Friday
High: 83 °F
Sunny
Friday Night
Low: 59 °F
Mostly Clear
Saturday
High: 88 °F
Sunny
Saturday Night
Low: 57 °F
Slight Chance
T-storms then
Mostly Cloudy
Sunday
High: 83 °F
Mostly Sunny
then Slight
Chance
T-storms
Sunday Night
Low: 57 °F
Chance
T-storms then
Mostly Cloudy
Monday
High: 85 °F
Sunny
Monday Night
Low: 59 °F
Mostly Clear

Detailed Forecast

Tonight

Partly cloudy, with a low around 55. East northeast wind 6 to 9 mph becoming south after midnight.

Friday

Sunny, with a high near 83. South southeast wind around 6 mph becoming north in the afternoon.

Friday Night

Mostly clear, with a low around 59. North wind 5 to 7 mph becoming south after midnight.

Saturday

Sunny, with a high near 88. Calm wind becoming north around 6 mph in the afternoon.

Saturday Night

A 20 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 57. North northeast wind 5 to 7 mph becoming light and variable after midnight.

Sunday

A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 83. Light and variable wind becoming north northwest around 6 mph in the afternoon.

Sunday Night

A 30 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 57. East southeast wind 5 to 7 mph becoming south in the evening.

Monday

Sunny, with a high near 85. Calm wind becoming west northwest around 6 mph in the afternoon.

Monday Night

Mostly clear, with a low around 59.

Tuesday

Sunny, with a high near 90.

Tuesday Night

Mostly clear, with a low around 60.

Wednesday

Sunny, with a high near 86.

Wednesday Night

Partly cloudy, with a low around 59.