How is the weather in Grass Range, MT?

At 9:55 AM on Sat, Sep 20, 2025 it is sunny and 70 degrees Fahrenheit, feeling like 70 degrees.

Grass Range, MT Weather Forecast and Current Conditions (59032)

70°F
Feels Like 70°F

Humidity 46% Dew Point 48°F Wind E 3 MPH Barometer 29.94 in.760.5 mm

Solar Rad 426 w/m2 Visibility 10 mi.

Report from 22.3 miles NNW of central Grass Range at 9:55 AM Sat, Sep 20, 2025

Current Weather

70°F
Feels Like 70°F

Humidity 46% Dew Point 48°F Wind E 3 MPH Barometer 29.94 in.760.5 mm

Solar Rad 426 w/m2 Visibility 10 mi.

Report from 22.3 miles NNW of central Grass Range at 9:55 AM Sat, Sep 20, 2025

Forecast at a Glance

SatSep 20

83°

55°

SunSep 21

85°

51°

MonSep 22

30%

65°

43°

TueSep 23

76°

48°

WedSep 24

81°

53°

ThuSep 25

80°

48°

FriSep 26

10%

73°

47°

This Date in Weather History

1845 - A tornado traveled 275 miles across Lake Ontario, New York and Lake Champlain.

Grass Range 7 Day Weather Forecast Details

Saturday Sep 20

Day: Sunny, with a high near 83. South wind around 7 mph.

Night: Partly cloudy, with a low around 55. Southwest wind 6 to 10 mph.

Sunday Sep 21

Day: Sunny, with a high near 85. West northwest wind 9 to 14 mph, with gusts as high as 21 mph.

Night: Rain likely. Mostly cloudy, with a low around 51. West northwest wind 10 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 60%.

Monday Sep 22

Day: A chance of rain before noon. Partly sunny, with a high near 65. Northwest wind 18 to 26 mph, with gusts as high as 33 mph. Chance of precipitation is 30%.

Night: Mostly clear, with a low around 43. West wind 7 to 14 mph, with gusts as high as 21 mph.

Tuesday Sep 23

Day: Sunny, with a high near 76. South southwest wind around 7 mph.

Night: Clear, with a low around 48. South wind 7 to 10 mph.

Wednesday Sep 24

Day: Sunny, with a high near 81.

Night: Mostly clear, with a low around 53.

Thursday Sep 25

Day: Sunny, with a high near 80.

Night: Partly cloudy, with a low around 48.

Friday Sep 26

Day: Mostly sunny, with a high near 73.

Night: Mostly clear, with a low around 47.

Sun & Moon Monthly

First Light 6:30 AM

Sunrise 7:00 AM

Sunset 7:18 PM

Last Light 7:49 PM

Moonrise 5:47 AM

Moonset 6:58 PM

Moon Phase

Campground Weather - Check Reports for 8800+ Locations

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