Active National Weather Service alert for Heart Butte, Montana 59448: Severe Thunderstorm Watch. Severe Thunderstorm Watch issued August 23 at 1:59PM MDT until August 23 at 7:00PM MDT by NWS Great Falls MT Until Sun, 7:00 PM MDT.
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Heart Butte, Montana 59448 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 Heart Butte, Montana 59448. Always follow local warnings and emergency instructions.

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Use current official weather information for Heart Butte, Montana 59448 before making weather-sensitive plans.

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Weather status

Severe Thunderstorm Watch

Severe Thunderstorm Watch issued August 23 at 1:59PM MDT until August 23 at 7:00PM MDT by NWS Great Falls MT Expires Sun, 7:00 PM MDT.

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What’s next

Hourly forecast

Heart Butte, Montana 59448

Check the latest hourly conditions, seven-day outlook, rain timing, wind, sunrise and sunset for Heart Butte, Montana 59448. Forecasts and alerts update from NOAA and the National Weather Service.

75°Patchy Smoke0% rain
74°Sunny0% rain
73°Sunny0% rain
73°Clear0% rain
70°Mostly Clear0% rain
66°Mostly Clear0% rain
63°Mostly Clear0% rain
60°Mostly Clear0% rain

Next 24 hours

Rain Timeline

No rain expected

No meaningful precipitation is expected in the official hourly forecast.

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Official NWS outlook

7-Day Forecast

High / low temperatures

Today

! NWS
76°53°

Patchy Smoke

Precipitation
0%
Wind
WSW 22 mph
Sunrise
6:38 AM
Sunset
8:32 PM

Mon

75°51°

Sunny

Precipitation
0%
Wind
NW 10 mph
Sunrise
6:39 AM
Sunset
8:31 PM

Tue

77°55°

Sunny

Precipitation
1%
Wind
SE 2 to 13 mph
Sunrise
6:40 AM
Sunset
8:29 PM

Wed

83°58°

Mostly Sunny then Slight Chance Rain Showers

Precipitation
17%
Wind
SE 1 to 9 mph
Sunrise
6:42 AM
Sunset
8:27 PM

Thu

82°55°

Mostly Sunny

Precipitation
9%
Wind
WSW 6 to 13 mph
Sunrise
6:43 AM
Sunset
8:25 PM

Fri

77°52°

Sunny

Precipitation
3%
Wind
WSW 8 to 14 mph
Sunrise
6:44 AM
Sunset
8:23 PM

Sat

72°48°

Sunny

Precipitation
12%
Wind
WSW 8 to 15 mph
Sunrise
6:46 AM
Sunset
8:21 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 Feel63°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.

WindW20 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 qualityHeart Butte, Montana 59448
View AQI +
More weather details
Wind gustsNot reported
Rain now0%next hour
Humidity30%current
UV indexCheckingEPA forecast

Wind impact: Breezy — cycling, umbrellas, and loose outdoor items may be affected.

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 gustNot reported
Pressure
Visibility
Peak rain chance0%
Dew point41°F
Active alerts1

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Weather safety ↗

Severe · Future

Severe Thunderstorm Watch

Applies to: Blaine, MT; Broadwater, MT; Cascade, MT; Chouteau, MT; Fergus, MT; Gallatin, MT; Hill, MT; Judith Basin, MT; Liberty, MT; Madison, MT; Meagher, MT; Pondera, MT; Teton, MT; Toole, MTIssued by: NWS Great Falls MTSevere Thunderstorm Watch issued August 23 at 1:59PM MDT until August 23 at 7:00PM MDT by NWS Great Falls MT
Alert detailsTHE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH 617 IN EFFECT UNTIL 7 PM MDT THIS EVENING FOR THE FOLLOWING AREAS IN MONTANA THIS WATCH INCLUDES 14 COUNTIES IN CENTRAL MONTANA CASCADE FERGUS JUDITH BASIN MEAGHER IN NORTH CENTRAL MONTANA BLAINE CHOUTEAU HILL LIBERTY PONDERA TETON TOOLE IN SOUTHWEST MONTANA BROADWATER GALLATIN MADISON THIS INCLUDES THE CITIES OF BATTLE RIDGE PASS, BELT, BIG SANDY, BOZEMAN APT, BOZEMAN PASS, BRADY, BYNUM, CARTER, CASCADE, CHESTER, CHINOOK, CHOTEAU, CITY OF BOZEMAN, CONRAD, DEEP CREEK PASS, DUTTON, ENNIS, FAIRFIELD, FORT BENTON, GRASS RANGE, GREAT FALLS, HARLEM, HAVRE, HAYS, HEART BUTTE, HOBSON, KINGS HILL PASS, LEWISTOWN, LEWISTOWN DIVIDE, MARTINSDALE, NORRIS HILL, RAYNESFORD, RAYNOLDS PASS, ROCKY BOY, RUDYARD, SHELBY, STANFORD, SUNBURST, TARGHEE PASS, TOSTON, TOWNSEND, TWIN BRIDGES, VIRGINIA CITY, WEST YELLOWSTONE, WHITE SULPHUR SPRINGS, WHITLASH, WINIFRED, AND WINSTON.
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