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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.
Official NOAA / NWSWSR-88D DopplerUpdates every 5 minutes
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What’s next
Hourly forecast
Check the latest hourly conditions, seven-day outlook, rain timing, wind, sunrise and sunset for Sumatra, Montana 59083. Forecasts and alerts update from NOAA and the National Weather Service.
87°Chance Showers And Thunderstorms46% rain83°Chance Showers And Thunderstorms46% rain75°Slight Chance Showers And Thunderstorms21% rain73°Slight Chance Showers And Thunderstorms21% rain72°Slight Chance Showers And Thunderstorms21% rain
71°Mostly Cloudy5% rain
69°Partly Cloudy5% rain68°Partly Cloudy5% rainNext 24 hours
Rain Timeline
Most likely around 7 PM, 8 PM. Expected type: Thunderstorms.
46%Thunderstorms
46%Thunderstorms
21%Thunderstorms
21%Thunderstorms
21%Thunderstorms
5%None
5%None
5%None
4%None
4%None
4%None
1%None
1%None
1%None
1%None
1%None
0%None
0%None
0%None
0%None
0%None
0%None
0%None
0%None
Official NWS outlook
7-Day Forecast
Today
! NWS
87°63°
Chance Showers And Thunderstorms then Partly Cloudy
- Precipitation
- 46%
- Wind
- WSW 6 to 9 mph
- Sunrise
- 6:18 AM
- Sunset
- 8:05 PM
Mon
84°59°
Mostly Sunny
- Precipitation
- 1%
- Wind
- NW 9 mph
- Sunrise
- 6:20 AM
- Sunset
- 8:03 PM
Tue
83°59°
Mostly Sunny
- Precipitation
- 1%
- Wind
- NNW 6 mph
- Sunrise
- 6:21 AM
- Sunset
- 8:01 PM
Wed
88°63°
Mostly Sunny
- Precipitation
- 7%
- Wind
- ESE 3 to 7 mph
- Sunrise
- 6:22 AM
- Sunset
- 7:59 PM
Thu
92°65°
Mostly Sunny
- Precipitation
- 18%
- Wind
- SSE 5 mph
- Sunrise
- 6:23 AM
- Sunset
- 7:58 PM
Fri
88°62°
Mostly Sunny
- Precipitation
- 14%
- Wind
- WNW 3 to 7 mph
- Sunrise
- 6:25 AM
- Sunset
- 7:56 PM
Sat
87°60°
Mostly Sunny
- Precipitation
- 21%
- Wind
- W 5 to 8 mph
- Sunrise
- 6:26 AM
- Sunset
- 7:54 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 Feel84°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.
WindN3 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 qualitySumatra, Montana 59083View AQI +
More weather details
Wind gusts8mph
Rain now46%next hour
Humidity21%current
UV indexCheckingEPA forecast
Wind impact: Light wind with little expected outdoor impact.
“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 gust8 mph
Pressure—
Visibility—
Peak rain chance46%
Dew point40°F
Active alerts1
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