Areas of Severe Thunderstorms and Excessive Rainfall Thursday

Severe thunderstorms posing a risk for strong gusts and/or large hail are possible across portions of the northern and central Plains, the Lower Missouri to Lower Ohio Valleys, and across the Mid-Atlantic Thursday afternoon and evening. Excessive rainfall may bring flash and urban flooding over the Mid-Mississippi and Ohio Valleys, and Mid-Atlantic on Thursday. Read More >

Hazardous Weather Conditions

Extreme Heat Watch in effect from July 12, 12:00 PM MDT until July 12, 09:00 PM MDT

Current conditions at

Lewistown, Lewistown Municipal Airport (KLWT)

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

Mostly Cloudy

N/A

Humidity	72%
Wind Speed	W 8 MPH
Barometer	NA
Dewpoint	N/A
Visibility	10.00 mi
Last update	27 Jun 08:20 PM MDT

More Information:

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

Extended Forecast for

9 Miles NW Lewistown MT

Extreme Heat Watch July 12, 12:00pm until July 12, 09:00pm

Click here for hazard details and duration

Extreme Heat Watch

Overnight
Low: 58 °F
Mostly Clear
Thursday
High: 79 °F
Sunny
Thursday Night
Low: 60 °F
Mostly Clear
Friday
High: 85 °F
Sunny
Friday Night
Low: 64 °F
Slight Chance
Showers then
Mostly Clear
Saturday
High: 90 °F
Sunny
Saturday Night
Low: 68 °F
Mostly Clear
Sunday
High: 94 °F
Mostly Sunny
Sunday Night
Low: 68 °F
Partly Cloudy

Detailed Forecast

Overnight

Mostly clear, with a low around 58. West wind around 7 mph.

Thursday

Sunny, with a high near 79. West northwest wind 6 to 8 mph.

Thursday Night

Mostly clear, with a low around 60. West northwest wind 6 to 9 mph becoming south after midnight.

Friday

Sunny, with a high near 85. South wind 5 to 7 mph becoming light and variable.

Friday Night

A 20 percent chance of showers before midnight. Mostly clear, with a low around 64. North northwest wind 6 to 9 mph becoming south southeast after midnight.

Saturday

Sunny, with a high near 90. South wind 6 to 11 mph becoming west southwest in the afternoon. Winds could gust as high as 22 mph.

Saturday Night

Mostly clear, with a low around 68. West wind 7 to 9 mph becoming south after midnight.

Sunday

Mostly sunny, with a high near 94. Southeast wind 6 to 13 mph, with gusts as high as 23 mph.

Sunday Night

Partly cloudy, with a low around 68.

Monday

Mostly sunny, with a high near 86.

Monday Night

A slight chance of showers and thunderstorms. Partly cloudy, with a low around 68.