Severe Weather Threat and Extreme Temperatures Impacting Portions of the Southern U.S

Strong to severe thunderstorms are expected to develop from central Texas into the Ohio Valley and Great Lakes Wednesday. Areas who will see the greatest chances for damaging hail and winds will be from north Texas to the Ozarks. Parts of south Texas and Florida will experience dangerous to extreme heat over the next several days. Dangerous heat stress may continue into early next week. Read More >

Current conditions at

Lewistown, Lewistown Municipal Airport (KLWT)

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

Overcast

55°F

13°C

Humidity	46%
Wind Speed	SW 5 MPH
Barometer	29.72 in (1006.44 mb)
Dewpoint	35°F (2°C)
Visibility	10.00 mi
Last update	22 May 11:54 AM MDT

More Information:

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

Extended Forecast for

Lewistown MT

This Afternoon
High: 58 °F
Showers
Tonight
Low: 33 °F
Showers and
Patchy Fog
Thursday
High: 44 °F
Rain
Thursday Night
Low: 31 °F
Slight Chance
Rain then
Partly Cloudy
Friday
High: 61 °F
Mostly Sunny
then Chance
Showers
Friday Night
Low: 38 °F
Partly Cloudy
Saturday
High: 62 °F
Partly Sunny
then Showers
Likely
Saturday Night
Low: 39 °F
Showers
Likely
Sunday
High: 58 °F
Chance
Showers

Detailed Forecast

This Afternoon

A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 3pm. High near 58. Southwest wind around 6 mph becoming north. Chance of precipitation is 80%.

Tonight

Showers and possibly a thunderstorm. Patchy fog after midnight. Low around 33. North northeast wind 6 to 9 mph becoming east in the evening. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

Thursday

Rain. High near 44. North northwest wind 10 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

Thursday Night

A 20 percent chance of rain before midnight. Partly cloudy, with a low around 31. North northwest wind 6 to 10 mph becoming south southwest after midnight. Winds could gust as high as 18 mph.

Friday

A 30 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 61. South southwest wind 6 to 9 mph becoming west in the afternoon. Winds could gust as high as 18 mph.

Friday Night

Partly cloudy, with a low around 38. West wind 5 to 8 mph becoming south in the evening.

Saturday

Showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 62. Light and variable wind becoming west northwest 5 to 8 mph in the morning. Chance of precipitation is 60%.

Saturday Night

Showers likely and possibly a thunderstorm before midnight, then a chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 39. West wind 7 to 9 mph.

Sunday

A chance of rain before noon, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 58.

Sunday Night

A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 39.

Memorial Day

Mostly sunny, with a high near 68.

Monday Night

Mostly clear, with a low around 43.

Tuesday

Sunny, with a high near 76.