Roundup, MT Current Weather Conditions

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

Current Conditions — Roundup, MT

N BAR RANCH (KMVH)

Clear

NULL F

Humidity:%
Wind Speed: mph
Barometer: in
Dewpoint: F
Visibility:10.00 mi
Precip:--
Heat Index:NA
Wind Chill:NA
Sep 2 2026, 10:15 PM MDT
Severe Weather Alerts
Severe Weather
Tornado, flood & storm warnings
Observation Alert Monitoring
Observations
Station conditions & threshold alerts
Daily Weather Forecast
Daily Forecast
Morning summary delivered daily
Lightning Detection Alerts
Lightning
Real-time strike alerts

State Weather Snapshot — Montana

Radar — Montana

Loading radar…

Hourly Observation History — Roundup, MT

Time Wind
(mph)
Vis
(mi)
Weather Precip (in) Temperature (F) Relative
Humidity
Wind
Chill
(F)
Heat
Index
(F)
Pressure
Air Dwpt altimeter
(in)
sea level
(mb)
10:15 PM MDT 10.00 Clear -- NULL % NA NA M
09:55 PM MDT W 8.1 G 13.9 10.00 Clear -- 60.8 37.4 42% NA NA 29.86 1011.2
09:35 PM MDT 9.2 10.00 Clear -- 60.8 37.4 42% NA NA 29.85 1010.8
09:15 PM MDT 6.9 10.00 NULL -- 62.6 37.4 39% NA NA 29.84 1010.5
08:55 PM MDT 5.8 10.00 Clear -- 62.6 37.4 39% NA NA 29.83 1010.2
08:35 PM MDT W 6.9 10.00 Clear -- 64.4 37.4 37% NA NA 29.82 1009.8
08:15 PM MDT 6.9 10.00 Clear -- 64.4 37.4 37% NA NA 29.81 1009.5
07:55 PM MDT 10.00 Partly Cloudy -- NULL % NA NA M
07:35 PM MDT NW 19.7 10.00 Partly Cloudy and Windy -- 69.8 35.6 28% NA NA 29.81 1009.2
07:15 PM MDT G 27.7 10.00 Clear -- 73.4 37.4 27% NA 71.8 29.79 1008.8
06:55 PM MDT 3.4 10.00 Mostly Clear -- 77.0 37.4 24% NA 75.6 29.78 1008.5
06:35 PM MDT 0.0 10.00 Partly Cloudy -- NULL 39.2 % NA NA M
06:15 PM MDT G 39.1 7.00 Light Rain -- NULL % NA NA M
05:55 PM MDT G 41.4 10.00 Partly Cloudy -- 78.8 33.8 20% NA 77.4 M
05:35 PM MDT G 32.2 10.00 Clear -- 80.6 32.0 17% NA 79.2 29.76 1007.8
05:15 PM MDT G 31.1 10.00 Clear -- 82.4 32.0 16% NA 80.1 M
04:55 PM MDT SW 18.3 G 31.1 10.00 Mostly Clear -- 84.2 32.0 15% NA 81.3 29.75 1007.5
04:35 PM MDT 17.2 G 25.3 10.00 Partly Cloudy -- 80.6 39.2 23% NA 79.5 M
04:15 PM MDT G 36.9 10.00 Partly Cloudy -- 82.4 37.4 20% NA 80.1 29.75 1007.5
03:55 PM MDT 20.8 G 30.0 10.00 Mostly Clear and Windy -- 84.2 33.8 16% NA 81.3 29.75 1007.5
03:35 PM MDT 16.1 G 28.9 10.00 Partly Cloudy -- 82.4 37.4 20% NA 80.1 29.76 1007.8
03:15 PM MDT 18.3 G 26.4 10.00 Partly Cloudy -- 82.4 37.4 20% NA 80.1 29.76 1007.8
02:55 PM MDT SW 11.4 G 30.0 10.00 Partly Cloudy -- 84.2 37.4 19% NA 81.3 29.77 1008.1
02:35 PM MDT S 8.1 G 26.4 10.00 Clear -- 82.4 42.8 25% NA 80.4 29.79 1008.8

Nearby Weather Stations

🔔    Get instant severe weather alerts for Roundup, MT — Subscribe to receive notifications by email, SMS, or voice call.