Thunderstorms in Florida and Central U.S.; Fire Weather Threats in North Plains

Strong to severe storms may linger in Florida as a slow moving cold front continues east. A weather system in the Central U.S. may produce strong thunderstorms in the Middle Mississippi Valley. A Canadian cold front will produce gusty winds and critical fire weather threats in the North Plains. Fire weather threats are also elevated in Guam. Heavy rain could cause flash flooding in Hawaii. Read More >

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Current conditions at

Lewistown, Lewistown Municipal Airport (KLWT)

Lat: 47.04917°NLon: 109.46639°WElev: 4167ft.

Clear

68°F

20°C

Humidity	28%
Wind Speed	ENE 14 MPH
Barometer	30.05 in (1017.61 mb)
Dewpoint	34°F (1°C)
Visibility	10.00 mi
Last update	06 May 05:55 PM MDT

More Information:

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

Extended Forecast for

Lewistown MT

Tonight

Partly Cloudy
Low: 45 °F
Friday

Slight Chance
Rain then
Heavy Rain
High: 67 °F
Friday
Night

Heavy Rain
then
Rain/Snow
Low: 34 °F
Saturday

Chance
Rain/Snow
then Heavy
Rain
High: 47 °F
Saturday
Night

Chance
Rain/Snow
then Chance
Snow
Low: 30 °F
Sunday

Rain/Snow
Likely then
Heavy Rain
High: 45 °F
Sunday
Night

Chance
Rain/Snow
then Mostly
Cloudy
Low: 29 °F
Monday

Slight Chance
Rain/Snow
then Heavy
Rain
High: 49 °F
Monday
Night

Slight Chance
Rain then
Partly Cloudy
Low: 31 °F

Detailed Forecast

Tonight

Partly cloudy, with a low around 45. East southeast wind 11 to 15 mph, with gusts as high as 23 mph.

Friday

A chance of rain, then showers and possibly a thunderstorm after 3pm. Some of the storms could produce heavy rain. High near 67. East southeast wind around 10 mph becoming northwest in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Friday Night

Rain before 3am, then rain and snow. Some thunder is also possible. Low around 34. West northwest wind 10 to 15 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

Saturday

A chance of snow before 9am, then rain showers likely. Some thunder is also possible. Mostly cloudy, with a high near 47. West northwest wind 14 to 21 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

Saturday Night

A chance of rain showers before 9pm, then a chance of rain and snow showers between 9pm and midnight, then a chance of snow after midnight. Some thunder is also possible. Mostly cloudy, with a low around 30. West wind 8 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

Sunday

Snow likely before 9am, then rain showers likely. Some thunder is also possible. Mostly cloudy, with a high near 45. West wind around 8 mph becoming north in the afternoon. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

Sunday Night

A chance of rain, mixing with snow after 9pm, then gradually ending. Mostly cloudy, with a low around 29. North northeast wind around 6 mph becoming light and variable after midnight. Chance of precipitation is 30%. Little or no snow accumulation expected.

Monday

A slight chance of snow before 9am, then a chance of rain showers. Some thunder is also possible. Partly sunny, with a high near 49. Light east southeast wind becoming east 5 to 10 mph in the morning.

Monday Night

A slight chance of rain before midnight. Mostly cloudy, with a low around 31.

Tuesday

A chance of showers and thunderstorms after noon. Some of the storms could produce heavy rain. Mostly sunny, with a high near 56.

Tuesday Night

Partly cloudy, with a low around 36.

Wednesday

Mostly sunny, with a high near 64.

Wednesday Night

Mostly cloudy, with a low around 41.

Thursday

Partly sunny, with a high near 68.