Wind
18 mph
G 25 mph
WSW
Local Forecast
Current conditions, 5-day forecast, active weather alerts for Lewistown, MT
Get Alerts No Active Alerts
Hour-by-Hour Forecast
Mostly Clear
Wind
18 mph
G 25 mph
WSW
UV Index
5
Moderate
Humidity
19%
Dew 28°F
Sun
7:42 AM · 6:22 PM
Rise · Set
Source: Lewistown, MT. Slider scrubs the next 12 hours.
5-Day Outlook
Today
Mostly Cloudy
Overnight: Mostly Cloudy
Today
Sunny. High near 74, with temperatures falling to around 68 in the afternoon. Southwest wind 13 to 18 mph, with gusts as high as 25 mph.
Night
Mostly cloudy, with a low around 39. West southwest wind 3 to 13 mph, with gusts as high as 18 mph.
Sunday
Partly Sunny
Overnight: Mostly Clear
Sunday
Mostly sunny. High near 60, with temperatures falling to around 57 in the afternoon. South southeast wind 2 to 8 mph.
Night
Mostly clear, with a low around 35. Southeast wind 3 to 9 mph.
Monday
Mostly Sunny
Overnight: Partly Cloudy
Monday
Sunny, with a high near 71. South wind around 3 mph.
Night
Partly cloudy, with a low around 41. South southeast wind 3 to 8 mph.
Tuesday
Partly Sunny
Overnight: Mostly Cloudy
Tuesday
Mostly sunny, with a high near 58. West wind 2 to 7 mph.
Night
Mostly cloudy, with a low around 34. West southwest wind around 3 mph.
Wednesday
Mostly Sunny
Overnight: Partly Cloudy
Wednesday
Mostly sunny, with a high near 63.
Night
Partly cloudy, with a low around 40.
Lewistown, MT Weather Analysis Tools
Regional Radar
Composite reflectivity with Lightning overlay.
Regional Observations
Regional & historic weather conditions near Lewistown, MT.
Active Alerts
Per-location alert detail and NWS source feeds.
Storm Reports
Recent storm reports including wind, hail, and tornadoes.
Model Analysis
Interactive forecast model guidance.
Satellite Imagery
GOES-East and GOES-West, visible and infrared.