Thunderstorms and Heavy Rainfall in the Plains; Hazardous Heat in the South and Southeast

Severe thunderstorms will be possible across the northern/central Plains through Tuesday afternoon and from the central Plains to the Mid-Mississippi Valley Tuesday evening through Wednesday morning. Storms may produce large hail and damaging wind gusts, and heavy rainfall may lead to scattered instances of flash flooding. Meanwhile, hazardous heat persists across the South and Southeast. Read More >

Current conditions at

Lewistown, Lewistown Municipal Airport (KLWT)

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

Clear

N/A

Humidity	59%
Wind Speed	N 0 MPH
Barometer	NA
Dewpoint	N/A
Visibility	10.00 mi
Last update	30 Jul 04:50 AM MDT

More Information:

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

Extended Forecast for

Lewistown MTSimilar City Names

Overnight
Low: 51 °F
Mostly Cloudy
Tuesday
High: 80 °F
Mostly Sunny
then Chance
T-storms
Tuesday Night
Low: 52 °F
Slight Chance
Showers then
Mostly Clear
Wednesday
High: 83 °F
Sunny then
Patchy Smoke
Wednesday Night
Low: 53 °F
Patchy Smoke
then Partly
Cloudy
Thursday
High: 86 °F
Sunny
Thursday Night
Low: 53 °F
Mostly Clear
Friday
High: 86 °F
Sunny
Friday Night
Low: 57 °F
Partly Cloudy

Detailed Forecast

Overnight

Mostly cloudy, with a low around 51. South southeast wind around 6 mph.

Tuesday

A 30 percent chance of showers and thunderstorms, mainly after 1pm. Patchy smoke between noon and 2pm. Mostly sunny, with a high near 80. Calm wind becoming west northwest 5 to 8 mph in the afternoon. Winds could gust as high as 18 mph.

Tuesday Night

A 20 percent chance of showers between 10pm and 11pm. Partly cloudy, with a low around 52. West wind 5 to 10 mph becoming south southeast in the evening.

Wednesday

Patchy smoke after 2pm. Sunny, with a high near 83. South wind 5 to 9 mph becoming west northwest in the afternoon. Winds could gust as high as 20 mph.

Wednesday Night

Patchy smoke before 7pm. Mostly clear, with a low around 53. Northwest wind 5 to 7 mph becoming calm after midnight.

Thursday

Sunny, with a high near 86. Calm wind becoming north northwest around 6 mph in the afternoon.

Thursday Night

Mostly clear, with a low around 53. North wind 5 to 7 mph becoming light and variable after midnight.

Friday

Sunny, with a high near 86. Light southeast wind becoming east 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

Friday Night

Partly cloudy, with a low around 57.

Saturday

A chance of showers and thunderstorms after noon. Partly sunny, with a high near 88.