Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >

Hazardous Weather Conditions

Current conditions at

Lewistown, Lewistown Municipal Airport (KLWT)

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

Mist

30°F

-1°C

Humidity	100%
Wind Speed	N 0 MPH
Barometer	30.1 in (1019.3 mb)
Dewpoint	30°F (-1°C)
Visibility	4.00 mi
Last update	22 Mar 01:35 AM MDT

More Information:

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

Extended Forecast for

Lewistown MT

Dense Fog Advisory until March 22, 09:00am

Click here for hazard details and duration

Dense Fog Advisory

Dense Fog Advisory until March 22, 09:00am
NOW until 9:00am Sun
Dense Fog Advisory
Overnight
Low: 28 °F
Patchy Fog
Sunday
High: 51 °F
Sunny
Sunday Night
Low: 28 °F
Partly Cloudy
Monday
High: 58 °F
Partly Sunny
Monday Night
Low: 35 °F
Mostly Cloudy
Tuesday
High: 58 °F
Mostly Cloudy
Tuesday Night
Low: 40 °F
Slight Chance
Rain then
Mostly Cloudy
Wednesday
High: 59 °F
Mostly Cloudy
then Slight
Chance Rain

Detailed Forecast

Overnight

Patchy fog. Otherwise, partly cloudy, with a low around 28. Calm wind becoming southwest around 6 mph.

Sunday

Sunny, with a high near 51. West northwest wind 8 to 18 mph, with gusts as high as 29 mph.

Sunday Night

Partly cloudy, with a low around 28. West northwest wind 5 to 9 mph becoming calm in the evening.

Monday

Partly sunny, with a high near 58. Calm wind becoming west northwest around 6 mph in the afternoon.

Monday Night

Mostly cloudy, with a low around 35. North northeast wind 5 to 7 mph becoming south southwest after midnight.

Tuesday

Mostly cloudy, with a high near 58. Southwest wind 5 to 7 mph.

Tuesday Night

A 20 percent chance of rain before midnight. Mostly cloudy, with a low around 40. Southwest wind around 9 mph, with gusts as high as 18 mph.

Wednesday

A slight chance of rain after noon. Partly sunny, with a high near 59. West southwest wind 9 to 14 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 32 mph.

Wednesday Night

A chance of rain before midnight, then a slight chance of rain and snow between midnight and 3am, then a slight chance of snow after 3am. Mostly cloudy, with a low around 27.

Thursday

A slight chance of snow. Partly sunny, with a high near 46.

Thursday Night

Mostly cloudy, with a low around 23.

Friday

Mostly sunny, with a high near 53.

Friday Night

Partly cloudy, with a low around 26.

Saturday

Partly sunny, with a high near 57.