Dangerous Heat in the Central and Eastern U.S.; Severe Thunderstorms in the Great Lakes

Thunderstorms with strong wind gusts and hail will be possible today from Michigan into the Lower Great Lakes region. A significant and dangerous heat wave will expand from the Central U.S. into the Eastern U.S this weekend through much of next week. Numerous daily record highs and warm lows are likely. Read More >

Current conditions at

Lewistown, Lewistown Municipal Airport (KLWT)

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

Overcast

42°F

6°C

Humidity	82%
Wind Speed	W 12 MPH
Barometer	29.94 in (1013.89 mb)
Dewpoint	37°F (3°C)
Visibility	10.00 mi
Wind Chill	35°F (2°C)
Last update	22 Jun 06:54 AM MDT

More Information:

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

Extended Forecast for

Lewistown MT

Today
High: 48 °F
Showers
Likely then
Showers
Tonight
Low: 33 °F
Showers
Likely then
Patchy Fog
Monday
High: 67 °F
Patchy Fog
then Chance
Showers
Monday Night
Low: 40 °F
Mostly Clear
Tuesday
High: 75 °F
Sunny
Tuesday Night
Low: 47 °F
Partly Cloudy
Wednesday
High: 79 °F
Sunny then
Slight Chance
T-storms
Wednesday Night
Low: 52 °F
Partly Cloudy
Thursday
High: 79 °F
Mostly Sunny
then Chance
T-storms

Detailed Forecast

Today

Showers likely, then showers and possibly a thunderstorm after 3pm. High near 48. West northwest wind 10 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 100%.

Tonight

Showers likely, mainly before 9pm. Patchy fog after 3am. Otherwise, cloudy, then gradual clearing toward daybreak, with a low around 33. West northwest wind 6 to 14 mph becoming southwest after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 70%.

Monday

A 30 percent chance of showers after noon. Patchy fog before 7am. Otherwise, mostly sunny, with a high near 67. West southwest wind around 7 mph.

Monday Night

Mostly clear, with a low around 40. West wind around 6 mph becoming light and variable after midnight.

Tuesday

Sunny, with a high near 75. Calm wind becoming east around 6 mph in the afternoon.

Tuesday Night

Partly cloudy, with a low around 47. East southeast wind around 6 mph.

Wednesday

A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 79. South wind around 6 mph.

Wednesday Night

Partly cloudy, with a low around 52. South southeast wind around 6 mph.