Flooding Threat Along the Gulf Coast, Southern Rockies and High Plains; Cooler Weather in the Central and Eastern U.S.

Strong thunderstorms may bring excessive rainfall and flooding over parts of the northern Gulf Coast today and over parts of the southern Rockies into the High Plains today through the weekend. A refreshingly cool and dry air mass will continue to produce below average temperatures across the central and eastern U.S. through the weekend. Read More >

Current conditions at

Lewistown, Lewistown Municipal Airport (KLWT)

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

Overcast

59°F

15°C

Humidity	93%
Wind Speed	W 6 MPH
Barometer	30.18 in (1022.01 mb)
Dewpoint	57°F (14°C)
Visibility	10.00 mi
Last update	30 Aug 01:09 AM MDT

More Information:

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

Extended Forecast for

Lewistown MT

Overnight
Low: 51 °F
Chance
Showers and
Patchy Fog
Saturday
High: 77 °F
Slight Chance
T-storms and
Areas Fog
Saturday Night
Low: 53 °F
Mostly Clear
Sunday
High: 82 °F
Sunny
Sunday Night
Low: 54 °F
Mostly Clear
Labor Day
High: 83 °F
Sunny
Monday Night
Low: 53 °F
Mostly Clear
Tuesday
High: 79 °F
Mostly Sunny
Tuesday Night
Low: 49 °F
Slight Chance
Showers then
Partly Cloudy

Detailed Forecast

Overnight

A slight chance of showers and thunderstorms, then a chance of showers after 3am. Patchy fog. Otherwise, mostly cloudy, with a low around 51. Calm wind. Chance of precipitation is 30%.

Saturday

A slight chance of showers before 8am, then a slight chance of showers and thunderstorms after 1pm. Areas of fog before 9am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 77. Calm wind becoming west northwest around 6 mph in the afternoon. Chance of precipitation is 20%.

Saturday Night

Mostly clear, with a low around 53. Light and variable wind becoming south southeast 5 to 7 mph in the evening.

Sunday

Sunny, with a high near 82. Light and variable wind becoming northwest 5 to 7 mph in the afternoon.

Sunday Night

Mostly clear, with a low around 54. North northwest wind around 6 mph becoming light and variable in the evening.

Labor Day

Sunny, with a high near 83. Calm wind becoming north around 5 mph in the afternoon.

Monday Night

Mostly clear, with a low around 53. North northeast wind around 6 mph becoming south after midnight.

Tuesday

Mostly sunny, with a high near 79. South southwest wind 5 to 8 mph becoming north in the afternoon.