World > North America > United States > Montana > Roundup   Roundup, MT Weather City of Roundup, MT

Roundup, MT Weather Forecast

Feedback E-mail the Weather

Quick Weather Clicks

Roundup, MT Weather Forecast

Current Conditions

Settings
Roundup MT weather - Overcast - 44°F
Overcast
44°F
Updated 9:19 pm
Feels Like 37°F
Humidity 88%
Wind WSW 8 mph
Barometer  30.27 in
Dew Point 41°F
Roundup MT weather - Overcast - 7°C
Overcast
7°C
Updated 9:19 pm
Feels Like 3°C
Humidity 88%
Wind WSW 13 km/h
Barometer  102.5 kPa
Dew Point 5°C
WX Settings

Roundup Weather Forecast

TONIGHT TUESDAY TUESDAY NIGHT WEDNESDAY WEDNESDAY NIGHT THURSDAY THURSDAY NIGHT FRIDAY FRIDAY NIGHT SATURDAY SATURDAY NIGHT SUNDAY
Roundup, MT Weather - Tonight Chance Of Showers Roundup, MT Weather - Tuesday Patchy Fog Roundup, MT Weather - Tuesday Night Patchy Fog Roundup, MT Weather - Wednesday Patchy Fog Roundup, MT Weather - Wednesday Night Patchy Fog Roundup, MT Weather - Thursday Patchy Fog Roundup, MT Weather - Thursday Night Partly Cloudy Roundup, MT Weather - Friday Sunny Roundup, MT Weather - Friday Night Partly Cloudy Roundup, MT Weather - Saturday Sunny Roundup, MT Weather - Saturday Night Mostly Clear Roundup, MT Weather - Sunday Mostly Sunny
Chance of Showers Patchy Fog Patchy Fog Patchy Fog Patchy Fog Patchy Fog Partly Cloudy Sunny Partly Cloudy Sunny Mostly Clear Mostly Sunny
Lo: 29°FLo: -2°C Hi: 51°FHi: 11°C
 Lo: 29°FLo: -2°C Hi: 51°FHi: 11°C
 Lo: 29°FLo: -2°C Hi: 59°FHi: 15°C
 Lo: 31°FLo: -1°C Hi: 55°FHi: 13°C
 Lo: 35°FLo: 2°C Hi: 55°FHi: 13°C
 Lo: 31°FLo: -1°C Hi: 60°FHi: 16°C
POP: 20%
POP = Probability of Precipitation.
Weather Outlook Updated: 546 PM MST Mon Nov 02 2026 Roundup, MT Weather - WeatherWorld.com

Trending Headlines

Roundup Radar Loop

Use the map search tool if you want to place a location marker on the radar map...

Roundup Quick Facts

National Two Day Weather Forecast


E-mail the Roundup Weather Forecast

Voice your opinion or tell us about page issues...

Roundup Forecast Discussion

Meteorlogic Glosserator
Instant definitions for any meteorological term.

Issued: 612 PM MST Mon Nov 2 2026

Key Messages

  • Precipitation and winds will gradually diminish from west to east this evening over eastern Montana and northern Wyoming.
  • Patchy fog may bring reductions to visibility tonight into Tuesday morning.

Discussion

...

Rest of Today through Sunday...

Precipitation continues across portions of southern Montana and northern Wyoming this afternoon. The upper trough over the Four Corners and a surface low over the Dakotas will continue eastward through this evening. This will pull the precipitatio...