Grass Range, MT Current Weather Conditions

Current weather observations and 72-hour history for Grass Range, MT. • View 5-Day Forecast ›

▼Current Conditions — Grass Range, MT

LEWISTOWN (KLWT)

Clear

71.6 F

Humidity:	19%
Wind Speed:	mph
Barometer:	in
Dewpoint:	26.6 F
Visibility:	10.00 mi
Precip:	--
Heat Index:	69.3 F
Wind Chill:	NA

Jun 8 2026, 06:20 PM MDT

Alert Subscriptions

Severe Weather

Tornado, flood & storm warnings

Observations

Station conditions & threshold alerts

Daily Forecast

Morning summary delivered daily

Lightning

Real-time strike alerts

▼State Weather Snapshot — Montana

Temperature

Dewpoint

Wind Speed

Full Interactive Observation Map →

▼Radar — Montana

Loading radar…

Active Alerts Lightning

Full Interactive Radar Map →

▼Hourly Observation History — Grass Range, MT

Time	Wind (mph)	Vis (mi)	Weather	Precip (in)	Temperature (F)		Relative Humidity	Wind Chill (F)	Heat Index (F)	Pressure
Time	Wind (mph)	Vis (mi)	Weather	Precip (in)	Air	Dwpt	Relative Humidity	Wind Chill (F)	Heat Index (F)	altimeter (in)	sea level (mb)
06:20 PM MDT		10.00	Clear	--	71.6	26.6	19%	NA	69.3		M
06:15 PM MDT	12.7	10.00	Clear	--	69.8	24.8	18%	NA	NA		M
06:05 PM MDT		10.00	Clear	--	69.8	24.8	18%	NA	NA		M
06:00 PM MDT	G 18.4	10.00	Clear	--	68.0	24.8	19%	NA	NA		M
05:50 PM MDT	13.8	10.00	Clear	--	71.6	24.8	17%	NA	69.3		M
05:45 PM MDT	12.7	10.00	Clear	--	69.8	24.8	18%	NA	NA		M
05:40 PM MDT	S 9.2	10.00	Clear	--	69.8	21.2	16%	NA	NA		M
05:35 PM MDT	S 13.8	10.00	Clear	--	71.6	24.8	17%	NA	69.3		M
05:30 PM MDT	11.5	10.00	Clear	--	71.6	23.0	16%	NA	69.3		M
05:20 PM MDT	S 11.5	10.00	Clear	--	71.6	23.0	16%	NA	69.3		M
05:15 PM MDT	12.7	10.00	Clear	--	69.8	21.2	16%	NA	NA		M
05:10 PM MDT	15.0	10.00	Clear	--	69.8	21.2	16%	NA	NA		M
05:05 PM MDT	15.0	10.00	Clear	--	71.6	21.2	15%	NA	69.1		M
05:00 PM MDT	16.1	10.00	Clear	--	71.6	23.0	16%	NA	69.3		M
04:45 PM MDT	16.1	10.00	Clear	--	71.6	21.2	15%	NA	69.1		M
04:40 PM MDT	13.8	10.00	Clear	--	71.6	19.4	14%	NA	69.1		M
04:30 PM MDT	11.5	10.00	Clear	--	69.8	21.2	16%	NA	NA		M
04:25 PM MDT	S 15.0	10.00	Clear	--	69.8	21.2	16%	NA	NA		M
04:20 PM MDT	17.3	10.00	Clear	--	69.8	19.4	15%	NA	NA		M
04:15 PM MDT	SW 18.4	10.00	Clear	--	71.6	21.2	15%	NA	69.1		M
04:10 PM MDT	12.7	10.00	Clear	--	69.8	19.4	15%	NA	NA		M
04:05 PM MDT	13.8 G 19.6	10.00	Clear	--	69.8	19.4	15%	NA	NA		M
04:00 PM MDT		10.00	Clear	--	71.6	21.2	15%	NA	69.1		M
03:40 PM MDT	18.4	10.00	Clear	--	69.8	19.4	15%	NA	NA		M
03:35 PM MDT	13.8 G 19.6	10.00	Clear	--	69.8	21.2	16%	NA	NA		M
03:30 PM MDT		10.00	Clear	--	69.8	21.2	16%	NA	NA		M
03:20 PM MDT	16.1	10.00	Clear	--	69.8	17.6	14%	NA	NA		M
03:10 PM MDT		10.00	Clear	--	69.8	19.4	15%	NA	NA		M
03:05 PM MDT	W 10.4	10.00	Clear	--	69.8	21.2	16%	NA	NA		M
03:00 PM MDT	G 24.2	10.00	Clear	--	69.8	19.4	15%	NA	NA		M
02:45 PM MDT	SW 10.4 G 18.4	10.00	Clear	--	68.0	19.4	16%	NA	NA		M
02:40 PM MDT	11.5	10.00	Clear	--	66.2	19.4	17%	NA	NA		M
02:35 PM MDT	SW 9.2	10.00	Clear	--	66.2	21.2	18%	NA	NA		M
02:30 PM MDT	S 6.9	10.00	Clear	--	68.0	21.2	17%	NA	NA		M
02:25 PM MDT	W 4.6	10.00	Clear	--	66.2	21.2	18%	NA	NA		M
02:15 PM MDT	W 10.4	10.00	Clear	--	66.2	19.4	17%	NA	NA		M
02:10 PM MDT	3.4	10.00	Clear	--	66.2	17.6	15%	NA	NA		M
02:05 PM MDT	6.9	10.00	Clear	--	66.2	19.4	17%	NA	NA		M
02:00 PM MDT	13.8	10.00	Clear	--	66.2	23.0	19%	NA	NA		M
01:50 PM MDT	SW 6.9	10.00	Clear	--	66.2	19.4	17%	NA	NA		M
01:40 PM MDT	W 11.5	10.00	Clear	--	66.2	19.4	17%	NA	NA		M
01:35 PM MDT	11.5 G 17.3	10.00	Clear	--	66.2	19.4	17%	NA	NA		M
01:30 PM MDT	10.4	10.00	Clear	--	66.2	23.0	19%	NA	NA		M
01:25 PM MDT	SW 8.1	10.00	Clear	--	66.2	21.2	18%	NA	NA		M
01:20 PM MDT	10.4	10.00	Clear	--	66.2	19.4	17%	NA	NA		M
01:15 PM MDT	5.7	10.00	Clear	--	64.4	19.4	18%	NA	NA		M
01:10 PM MDT	W 10.4 G 16.1	10.00	Clear	--	66.2	19.4	17%	NA	NA		M
01:05 PM MDT	W 9.2	10.00	Clear	--	66.2	19.4	17%	NA	NA		M
01:00 PM MDT	11.5	10.00	Clear	--	66.2	19.4	17%	NA	NA		M
12:50 PM MDT	SW 11.5	10.00	Clear	--	64.4	21.2	19%	NA	NA		M
12:40 PM MDT		10.00	Clear	--	64.4	21.2	19%	NA	NA		M
12:35 PM MDT	SW 10.4 G 16.1	10.00	Clear	--	64.4	21.2	19%	NA	NA		M
12:25 PM MDT	12.7	10.00	Clear	--	64.4	19.4	18%	NA	NA		M
12:20 PM MDT	SW 12.7	10.00	Clear	--	64.4	19.4	18%	NA	NA		M
12:15 PM MDT		10.00	Clear	--	64.4	21.2	19%	NA	NA		M
12:10 PM MDT	SW 13.8 G 20.7	10.00	Clear	--	64.4	19.4	18%	NA	NA		M
12:05 PM MDT	SW 15.0 G 20.7	10.00	Clear	--	64.4	21.2	19%	NA	NA		M
11:50 AM MDT	13.8	10.00	Clear	--	62.6	19.4	19%	NA	NA		M
11:40 AM MDT	G 24.2	10.00	Clear	--	62.6	21.2	20%	NA	NA		M
11:35 AM MDT	SW 12.7 G 18.4	10.00	Clear	--	62.6	17.6	17%	NA	NA		M
11:25 AM MDT	16.1	10.00	Clear	--	62.6	19.4	19%	NA	NA		M
11:20 AM MDT	17.3	10.00	Clear	--	62.6	19.4	19%	NA	NA		M
11:15 AM MDT	13.8 G 21.9	10.00	Clear	--	62.6	19.4	19%	NA	NA		M
11:10 AM MDT	SW 11.5	10.00	Clear	--	60.8	17.6	18%	NA	NA		M
11:05 AM MDT	13.8	10.00	Clear	--	60.8	17.6	18%	NA	NA		M
11:00 AM MDT	16.1	10.00	Clear	--	60.8	19.4	20%	NA	NA		M
10:45 AM MDT	SW 12.7	10.00	Clear	--	59.0	19.4	21%	NA	NA		M
10:40 AM MDT	SW 11.5	10.00	Clear	--	60.8	19.4	20%	NA	NA		M
10:35 AM MDT	13.8	10.00	Clear	--	59.0	21.2	23%	NA	NA		M
10:30 AM MDT	W 12.7	10.00	Clear	--	59.0	21.2	23%	NA	NA		M
10:20 AM MDT	10.4	10.00	Clear	--	55.4	19.4	24%	NA	NA		M
10:15 AM MDT	12.7	10.00	Clear	--	57.2	21.2	25%	NA	NA		M