Active National Weather Service alert for Sidney, Montana 59270: Severe Thunderstorm Watch. Severe Thunderstorm Watch issued August 23 at 3:48PM MDT until August 23 at 10:00PM MDT by NWS Glasgow MT Until Sun, 10:00 PM MDT.
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Sidney, Montana 59270 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 Sidney, Montana 59270. Always follow local warnings and emergency instructions.

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Weather status

Severe Thunderstorm Watch

Severe Thunderstorm Watch issued August 23 at 3:48PM MDT until August 23 at 10:00PM MDT by NWS Glasgow MT Expires Sun, 10:00 PM MDT.

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What’s next

Hourly forecast

Sidney, Montana 59270

Check the latest hourly conditions, seven-day outlook, rain timing, wind, sunrise and sunset for Sidney, Montana 59270. Forecasts and alerts update from NOAA and the National Weather Service.

85°Slight Chance Showers And Thunderstorms20% rain
81°Slight Chance Showers And Thunderstorms19% rain
74°Slight Chance Showers And Thunderstorms15% rain
72°Slight Chance Showers And Thunderstorms19% rain
70°Chance Showers And Thunderstorms27% rain
69°Mostly Cloudy6% rain
68°Partly Cloudy7% rain
66°Partly Cloudy5% rain

Next 24 hours

Rain Timeline

Highest chance 27%

Scattered precipitation is possible. The highest official hourly chance is 27%; check the radar before heading out.

20%Thunderstorms
19%Thunderstorms
15%Thunderstorms
19%Thunderstorms
27%Thunderstorms
6%None
7%None
5%None
1%None
1%None
1%None
2%None
2%None
3%None
2%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

High / low temperatures

Today

! NWS
85°61°

Slight Chance Showers And Thunderstorms then Partly Cloudy

Precipitation
27%
Wind
S 3 to 10 mph
Sunrise
6:04 AM
Sunset
7:57 PM

Mon

86°58°

Sunny

Precipitation
3%
Wind
WNW 7 to 20 mph
Sunrise
6:05 AM
Sunset
7:55 PM

Tue

83°52°

Mostly Sunny

Precipitation
1%
Wind
NW 13 to 17 mph
Sunrise
6:07 AM
Sunset
7:53 PM

Wed

82°53°

Sunny

Precipitation
1%
Wind
NNW 5 mph
Sunrise
6:08 AM
Sunset
7:51 PM

Thu

88°59°

Mostly Sunny

Precipitation
31%
Wind
ESE 3 to 13 mph
Sunrise
6:09 AM
Sunset
7:49 PM

Fri

89°57°

Mostly Sunny then Chance Showers And Thunderstorms

Precipitation
25%
Wind
SE 6 to 12 mph
Sunrise
6:11 AM
Sunset
7:47 PM

Sat

87°55°

Mostly Sunny then Slight Chance Showers And Thunderstorms

Precipitation
34%
Wind
SE 2 to 10 mph
Sunrise
6:12 AM
Sunset
7:45 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 Feel87°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.

WindSE11 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 qualitySidney, Montana 59270
View AQI +
More weather details
Wind gustsNot reported
Rain now20%next hour
Humidity55%current
UV indexCheckingEPA forecast

Wind impact: Noticeable breeze with generally minor outdoor impact.

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
Visibility10.0 mi
Peak rain chance27%
Dew point66°F
Active alerts1

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Severe · Future

Severe Thunderstorm Watch

Applies to: Daniels, MT; Dawson, MT; Garfield, MT; McCone, MT; Petroleum, MT; Phillips, MT; Prairie, MT; Richland, MT; Roosevelt, MT; Sheridan, MT; Valley, MT; Wibaux, MTIssued by: NWS Glasgow MTSevere Thunderstorm Watch issued August 23 at 3:48PM MDT until August 23 at 10:00PM MDT by NWS Glasgow MT
Alert detailsTHE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH 620 IN EFFECT UNTIL 10 PM MDT THIS EVENING FOR THE FOLLOWING AREAS IN MONTANA THIS WATCH INCLUDES 12 COUNTIES IN NORTHEAST MONTANA DANIELS DAWSON GARFIELD MCCONE PETROLEUM PHILLIPS PRAIRIE RICHLAND ROOSEVELT SHERIDAN VALLEY WIBAUX THIS INCLUDES THE CITIES OF CIRCLE, CULBERTSON, FAIRVIEW, FORT PECK, GLASGOW, GLENDIVE, JORDAN, MALTA, MEDICINE LAKE, OPHEIM, PLENTYWOOD, POPLAR, RICHEY, SACO, SCOBEY, SIDNEY, TERRY, WHITEWATER, WIBAUX, WINNETT, WOLF POINT, AND ZORTMAN.
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