Wind
12 mph
S
Local Forecast
Current conditions, 5-day forecast, and active NWS weather alerts for Grass Range, MT.
Active Alerts 1 active
Hour-by-Hour Current Observation
Clear
Wind
12 mph
S
UV Index
6
High
Humidity
16%
Dew 23°F
Sun
5:20 AM · 9:07 PM
Rise · Set
Source: LEWISTOWN (KLWT). Slider scrubs the next 12 hours.
5-Day Outlook
Today
Forecast Missing
Overnight: Forecast Missing
Today
Sunny, with a high near 72. South southwest wind 5 to 10 mph, with gusts as high as 18 mph.
Night
Mostly cloudy. Low around 50, with temperatures rising to around 53 overnight. South wind 2 to 13 mph, with gusts as high as 20 mph.
Tuesday
Forecast Missing
Overnight: Forecast Missing
Tuesday
A slight chance of showers and thunderstorms between 1pm and 2pm, then a chance of showers and thunderstorms between 2pm and 3pm, then a chance of showers and thunderstorms. Partly sunny. High near 71, with temperatures falling to around 66 in the afternoon. West wind 3 to 15 mph, with gusts as high as 22 mph. Chance of precipitation is 50%.
Night
A chance of showers and thunderstorms before 8pm, then a slight chance of showers and thunderstorms between 8pm and 9pm. Mostly cloudy, with a low around 46. West wind 15 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 40%.
Wednesday
Forecast Missing
Overnight: Forecast Missing
Wednesday
Mostly sunny, with a high near 61. West wind 22 to 29 mph, with gusts as high as 38 mph.
Night
Rain showers likely. Mostly cloudy, with a low around 43. West northwest wind 28 to 32 mph, with gusts as high as 43 mph. Chance of precipitation is 60%.
Thursday
Forecast Missing
Overnight: Forecast Missing
Thursday
Mostly sunny, with a high near 66. West northwest wind 22 to 26 mph, with gusts as high as 33 mph.
Night
Mostly clear, with a low around 46. West wind 7 to 18 mph, with gusts as high as 26 mph.
Friday
Forecast Missing
Overnight: Forecast Missing
Friday
Sunny, with a high near 69.
Night
Mostly clear, with a low around 46.
Grass Range, MT Weather Analysis Tools
Regional Radar
Composite reflectivity with Lightning overlay.
Regional Observations
Regional & historic weather conditions near Grass Range, 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.