Active National Weather Service alert for Roundup, Montana 59072: Severe Thunderstorm Watch. Severe Thunderstorm Watch issued August 23 at 7:01PM MDT until August 23 at 10:00PM MDT by NWS Billings MT Until Sun, 10:00 PM MDT.
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Roundup, Montana 59072 weather, straight from the source.

Current conditions, official National Weather Service forecasts and alerts, rain timing, local radar, air quality, wind, humidity, sunrise, sunset, and the latest reported update for Roundup, Montana 59072. Always follow local warnings and emergency instructions.

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Weather status

Severe Thunderstorm Watch

Severe Thunderstorm Watch issued August 23 at 7:01PM MDT until August 23 at 10:00PM MDT by NWS Billings MT Expires Sun, 10:00 PM MDT.

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What’s next

Hourly forecast

Roundup, Montana 59072

Check the latest hourly conditions, seven-day outlook, rain timing, wind, sunrise and sunset for Roundup, Montana 59072. Forecasts and alerts update from NOAA and the National Weather Service.

84°Slight Chance Showers And Thunderstorms20% rain
80°Slight Chance Showers And Thunderstorms20% rain
75°Slight Chance Showers And Thunderstorms16% rain
71°Slight Chance Showers And Thunderstorms16% rain
68°Slight Chance Showers And Thunderstorms16% rain
66°Mostly Clear4% rain
65°Mostly Clear4% rain
64°Mostly Clear4% rain

Next 24 hours

Rain Timeline

Highest chance 20%

Scattered precipitation is possible. The highest official hourly chance is 20%; check the radar before heading out.

20%Thunderstorms
20%Thunderstorms
16%Thunderstorms
16%Thunderstorms
16%Thunderstorms
4%None
4%None
4%None
4%None
4%None
4%None
2%None
1%None
1%None
0%None
0%None
0%None
0%None
0%None
0%None
0%None
0%None
1%None
0%None

Official NWS outlook

7-Day Forecast

High / low temperatures

Today

! NWS
84°57°

Slight Chance Showers And Thunderstorms then Partly Cloudy

Precipitation
20%
Wind
NNW 5 to 10 mph
Sunrise
6:24 AM
Sunset
8:12 PM

Mon

87°54°

Sunny then Patchy Smoke

Precipitation
2%
Wind
W 3 to 10 mph
Sunrise
6:25 AM
Sunset
8:10 PM

Tue

84°56°

Mostly Sunny

Precipitation
0%
Wind
N 1 to 5 mph
Sunrise
6:26 AM
Sunset
8:08 PM

Wed

90°59°

Mostly Sunny

Precipitation
12%
Wind
ESE 0 to 5 mph
Sunrise
6:28 AM
Sunset
8:06 PM

Thu

93°60°

Mostly Sunny

Precipitation
28%
Wind
SW 1 to 7 mph
Sunrise
6:29 AM
Sunset
8:04 PM

Fri

89°57°

Mostly Sunny

Precipitation
17%
Wind
NW 6 mph
Sunrise
6:30 AM
Sunset
8:03 PM

Sat

88°55°

Mostly Sunny

Precipitation
21%
Wind
WNW 5 to 8 mph
Sunrise
6:31 AM
Sunset
8:01 PM

Forecasts, icons, precipitation, wind, and alerts are from the National Weather Service. Sunrise and sunset are calculated locally for the selected coordinates.

Weather for a healthier day

Healthy Weather

Real Feel89°F
Walking is not recommended now

Review the active Severe Thunderstorm Watch before going outside. MyUSA.us will not recommend this activity while an NWS watch, warning, or emergency is active.

WindSW8 mph
Best walk timeReview the active Severe Thunderstorm Watch before leaving

MyUSA.us will not recommend an outing window while an NWS watch, warning, or emergency is active. Follow the official alert and local instructions.

Official EPA AirNowLocal air qualityRoundup, Montana 59072
View AQI +
More weather details
Wind gusts32mph
Rain now20%next hour
Humidity34%current
UV indexCheckingEPA forecast

Wind impact: Strong gusts — use extra care driving and during outdoor activities.

Full Healthy Weather guides and reminders →

“Better weather window” is planning guidance based on official NWS data—not a promise of safe conditions. Review active alerts and radar before leaving.

Storm & DetailsGusts, pressure, visibility and official risk outlooksView details +
Wind gust32 mph
Pressure
Visibility
Peak rain chance20%
Dew point53°F
Active alerts1

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Active NWS alerts

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Severe · Future

Severe Thunderstorm Watch

Applies to: Big Horn, MT; Carter, MT; Custer, MT; Fallon, MT; Musselshell, MT; Powder River, MT; Rosebud, MT; Treasure, MT; Yellowstone, MTIssued by: NWS Billings MTSevere Thunderstorm Watch issued August 23 at 7:01PM MDT until August 23 at 10:00PM MDT by NWS Billings MT
Alert detailsSEVERE THUNDERSTORM WATCH 620 REMAINS VALID UNTIL 10 PM MDT THIS EVENING FOR THE FOLLOWING AREAS IN MONTANA THIS WATCH INCLUDES 9 COUNTIES IN CENTRAL MONTANA MUSSELSHELL IN SOUTH CENTRAL MONTANA BIG HORN YELLOWSTONE IN SOUTHEAST MONTANA CARTER CUSTER FALLON POWDER RIVER ROSEBUD TREASURE THIS INCLUDES THE CITIES OF ASHLAND, BAKER, BILLINGS, BROADUS, COLSTRIP, CROW AGENCY, EKALAKA, FORSYTH, HARDIN, HYSHAM, LAME DEER, MILES CITY, AND ROUNDUP.
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