Severe Thunderstorm and Excessive Rainfall Threats Today; Excessive Heat Returns Tuesday

The greatest threat for severe thunderstorms today exists from northern Arkansas into northwest Alabama where large hail and damaging winds are possible. Heavy to excessive rainfall could bring flooding through tonight over parts of the southern High Plains into north-central Texas. Excessive heat will return to the southwestern U.S. by Tuesday. Read More >

Current conditions at

Lewistown, Lewistown Municipal Airport (KLWT)

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

Clear

64°F

18°C

Humidity	55%
Wind Speed	E 10 MPH
Barometer	30.01 in (1016.26 mb)
Dewpoint	48°F (9°C)
Visibility	10.00 mi
Last update	09 Jun 06:55 PM MDT

More Information:

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

Extended Forecast for

6 Miles SSW Lewistown Municipal MT

Tonight
Low: 55 °F
Showers
Likely
Monday
High: 75 °F
Showers
Likely then
Slight Chance
T-storms and
Breezy
Monday Night
Low: 47 °F
Mostly Clear
Tuesday
High: 79 °F
Sunny
Tuesday Night
Low: 49 °F
Slight Chance
Showers then
Partly Cloudy
Wednesday
High: 77 °F
Sunny
Wednesday Night
Low: 45 °F
Mostly Clear
Thursday
High: 75 °F
Sunny
Thursday Night
Low: 48 °F
Mostly Clear

Detailed Forecast

Tonight

A chance of showers and thunderstorms before midnight, then showers likely and possibly a thunderstorm between midnight and 5am, then a chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 55. East southeast wind 5 to 13 mph becoming southwest after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 70%.

Monday

Showers and thunderstorms likely, mainly before 3pm. Partly sunny, with a high near 75. Breezy, with a west northwest wind 6 to 11 mph increasing to 17 to 22 mph in the morning. Winds could gust as high as 31 mph. Chance of precipitation is 60%.

Monday Night

Mostly clear, with a low around 47. West northwest wind 13 to 18 mph becoming west southwest 7 to 12 mph after midnight. Winds could gust as high as 26 mph.

Tuesday

Sunny, with a high near 79. Southwest wind 7 to 10 mph, with gusts as high as 20 mph.

Tuesday Night

A 20 percent chance of showers before midnight. Partly cloudy, with a low around 49. West wind 7 to 9 mph.

Wednesday

Sunny, with a high near 77. West wind 8 to 15 mph, with gusts as high as 25 mph.

Wednesday Night

Mostly clear, with a low around 45. Northwest wind 6 to 15 mph, with gusts as high as 25 mph.

Thursday

Sunny, with a high near 75. West southwest wind around 7 mph becoming north northwest in the afternoon.

Thursday Night

Mostly clear, with a low around 48.