Expires:202405192200;;469876 FPUS55 KTFX 190816 ZFPTFX Zone Forecast Product for Central and Southwest Montana National Weather Service Great Falls MT 215 AM MDT Sun May 19 2024 Spot temperatures and probabilities of measurable precipitation are for today, tonight, and Monday. MTZ308-192200- Southern High Plains- Including Bynum, Choteau, and Pendroy 215 AM MDT Sun May 19 2024 .TODAY...Mostly cloudy. Chance of rain in the morning, then rain showers likely and chance of thunderstorms in the afternoon. Highs 50 to 55. Northwest winds 5 to 15 mph. Chance of precipitation 70 percent. .TONIGHT...Partly cloudy. A 50 percent chance of thunderstorms in the evening. Lows 30 to 35. West winds up to 10 mph. .MONDAY...Mostly cloudy. Slight chance of rain and snow in the morning, then rain showers likely and slight chance of thunderstorms in the afternoon. No snow accumulation. Highs in the mid 50s. Northwest winds up to 10 mph. Chance of precipitation 70 percent. .MONDAY NIGHT...Mostly cloudy with a 20 percent chance of thunderstorms in the evening, then partly cloudy after midnight. Lows around 35. Northwest winds 5 to 10 mph shifting to the west after midnight. .TUESDAY...Sunny in the morning, then mostly cloudy with chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 60 to 65. West winds up to 10 mph. Chance of precipitation 50 percent. .TUESDAY NIGHT AND WEDNESDAY...Mostly cloudy with a 20 percent chance of rain. Lows around 40. Highs 55 to 60. .WEDNESDAY NIGHT...Rain likely. Lows 35 to 40. Chance of rain 70 percent. .THURSDAY...Rain. Highs 45 to 50. Chance of rain 90 percent. .THURSDAY NIGHT AND FRIDAY...Mostly cloudy with a 50 percent chance of rain. Lows around 35. Highs around 55. .FRIDAY NIGHT...Mostly cloudy with a 40 percent chance of rain. Lows 35 to 40. .SATURDAY...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 55 to 60. Chance of precipitation 50 percent. $$