7-Day Zone Forecast for Northern Sweet Grass (Text-Only)
NWS Forecast for: Northern Sweet Grass
Issued by: National Weather Service Billings, MT
Last Update: 350 PM MDT Wed May 27 2026
Print


Tonight: Partly cloudy. A 20 percent chance of showers and thunderstorms early in the evening. Lows around 50. Southeast winds 5 to 15 mph in the evening shifting to the west 5 to 10 mph overnight.

Thursday: Mostly sunny. A 20 percent chance of showers and thunderstorms late in the afternoon. Highs in the upper 80s. North winds 5 to 10 mph in the morning shifting to the east 5 to 15 mph in the afternoon.

Thursday Night: Mostly cloudy. Slight chance of showers and thunderstorms early in the evening, then slight chance of rain showers late in the evening. Lows around 50. East winds 5 to 15 mph in the evening shifting to the west 5 to 10 mph overnight. Chance of precipitation 20 percent.

Friday: Mostly sunny. Highs in the mid 80s. Southwest winds 5 to 10 mph.

Friday Night: Mostly cloudy. Slight chance of showers and thunderstorms in the evening, then chance of rain showers overnight. Lows in the upper 40s. West winds 5 to 15 mph. Chance of precipitation 50 percent.

Saturday: Rain showers and slight chance of thunderstorms in the morning, then rain showers and chance of thunderstorms in the afternoon. Cooler. Highs around 70. Chance of precipitation 90 percent.

Saturday Night: Rain showers and chance of thunderstorms in the evening, then rain showers likely overnight. Lows in the mid 40s. Chance of precipitation 80 percent.

Sunday: Rain showers likely in the morning, then chance of showers and thunderstorms in the afternoon. Windy. Highs in the mid 60s. Chance of precipitation 60 percent.

Sunday Night: Mostly cloudy with a 40 percent chance of rain showers. Lows in the lower 40s.

Monday: Partly sunny. Chance of rain showers in the morning, then chance of showers and thunderstorms in the afternoon. Highs in the upper 60s. Chance of precipitation 50 percent.

Monday Night: Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the evening. Lows in the lower 40s. Chance of precipitation 40 percent.

Tuesday: Partly sunny. Chance of rain showers and slight chance of thunderstorms in the afternoon. Highs around 70. Chance of precipitation 30 percent.

Tuesday Night: Partly cloudy. A 20 percent chance of showers and thunderstorms in the evening. Lows in the mid 40s.

Wednesday: Mostly sunny. A 20 percent chance of showers and thunderstorms in the afternoon. Highs in the mid 70s.







Zone Forecast: Northern Sweet Grass

Visit your local NWS office at: https://www.weather.gov/byz