Tropical Storm Alberto Brings Heavy Rainfall and Flooding to South Texas; Heavy Rainfall Threat in the Northern Plains

Heavy rainfall and flooding associated with Tropical Storm Alberto will continue to impact portions of South Texas, especially along the coast through Thursday. This rainfall will likely produce flash, urban and river flooding. On Thursday, thunderstorms are forecast to develop across portions of the Northern Plains. Stronger storms may produce heavy to excessive rainfall. Read More >

Current conditions at

Lewistown, Lewistown Municipal Airport (KLWT)

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

Clear

40°F

4°C

Humidity	82%
Wind Speed	SE 3 MPH
Barometer	30.2 in (1022.69 mb)
Dewpoint	35°F (2°C)
Visibility	10.00 mi
Last update	20 Jun 04:54 AM MDT

More Information:

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

Extended Forecast for

6 Miles N Lewistown MT

Today
High: 72 °F
Sunny then
Chance
T-storms
Tonight
Low: 50 °F
Slight Chance
T-storms then
Mostly Clear
Friday
High: 72 °F
Chance
T-storms then
Showers
Friday Night
Low: 49 °F
Chance
T-storms then
Partly Cloudy
Saturday
High: 77 °F
Sunny
Saturday Night
Low: 54 °F
Partly Cloudy
Sunday
High: 89 °F
Sunny
Sunday Night
Low: 55 °F
Mostly Clear
Monday
High: 81 °F
Sunny

Detailed Forecast

Today

A slight chance of showers between 2pm and 3pm, then a chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 72. Calm wind becoming east southeast 5 to 9 mph in the morning. Winds could gust as high as 18 mph. Chance of precipitation is 30%.

Tonight

A 20 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 50. Southeast wind 5 to 9 mph.

Friday

A chance of showers and thunderstorms, then showers and possibly a thunderstorm after noon. High near 72. East southeast wind 5 to 7 mph. Chance of precipitation is 80%.

Friday Night

A 40 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 49. West southwest wind 5 to 7 mph.

Saturday

Sunny, with a high near 77. Southwest wind 5 to 7 mph becoming northwest in the afternoon.

Saturday Night

Partly cloudy, with a low around 54. North northwest wind around 6 mph becoming south southeast after midnight.

Sunday

Sunny, with a high near 89. South southeast wind 6 to 9 mph becoming southwest in the afternoon. Winds could gust as high as 18 mph.

Sunday Night

Mostly clear, with a low around 55. West southwest wind 6 to 9 mph.

Monday

Sunny, with a high near 81.