Expires:202607261500;;600003 FPUS55 KBYZ 252151 ZFPBYZ Zone Forecast Product for South Central and Southeast Montana National Weather Service Billings MT 350 PM MDT Sat Jul 25 2026 Spot temperatures and probabilities of measurable precipitation are for tonight, Sunday, Sunday night, and Monday. MTZ042-261500- Golden Valley- Including the cities of Ryegate and Lavina 350 PM MDT Sat Jul 25 2026 ...EXTREME HEAT WARNING IN EFFECT UNTIL 9 PM MDT SUNDAY... ...SEVERE THUNDERSTORM WATCH 514 IN EFFECT UNTIL 10 PM MDT THIS EVENING... .TONIGHT...Mostly cloudy with chance of showers and slight chance of thunderstorms in the evening, then partly cloudy with slight chance of showers overnight. Mostly clear after 3 am. Some thunderstorms may be severe with damaging winds early in the evening. Some thunderstorms may produce damaging winds late in the evening. Lows in the mid 60s. Northeast winds 5 to 10 mph in the evening shifting to the northwest 5 to 15 mph overnight. Chance of precipitation 30 percent. .SUNDAY...Mostly sunny. Patchy smoke through the day. A 20 percent chance of showers late in the afternoon. Highs in the upper 90s. Southeast winds 5 to 15 mph. .SUNDAY NIGHT...Mostly cloudy. Slight chance of showers and thunderstorms early in the evening, then slight chance of showers late in the evening. Patchy smoke early in the evening. Patchy smoke after 3 am. Some thunderstorms may produce gusty winds early in the evening. Lows in the mid 60s. West winds 5 to 15 mph. Chance of precipitation 20 percent. .MONDAY...Sunny. Highs in the mid 90s. Northwest winds 5 to 10 mph in the morning shifting to the northeast 5 to 15 mph in the afternoon. .MONDAY NIGHT...Mostly clear. A 20 percent chance of showers in the evening. Lows in the lower 60s. Northeast winds 5 to 15 mph. .TUESDAY...Sunny. Highs in the upper 90s. .TUESDAY NIGHT...Mostly clear. Lows in the lower 60s. .WEDNESDAY...Sunny. Highs in the upper 90s. .WEDNESDAY NIGHT...Partly cloudy. Lows in the lower 60s. .THURSDAY...Sunny. Highs in the upper 90s. .THURSDAY NIGHT...Mostly clear. Lows in the lower 60s. .FRIDAY...Sunny. Highs around 100. .FRIDAY NIGHT...Mostly clear. Lows in the mid 60s. .SATURDAY...Sunny. Highs around 102. $$