Zone Forecast Product
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
872 FPUS55 KTFX 122002 ZFPTFX Zone Forecast Product for Central and Southwest Montana National Weather Service Great Falls MT 202 PM MDT Sun May 12 2024 Spot temperatures and probabilities of measurable precipitation are for tonight, Monday, Monday night, and Tuesday. ...FLOOD HIGHLIGHTS HAVE BEEN ISSUED FOR PORTIONS OF THE ZONE FORECAST AREA. PLEASE REFER TO THE LATEST FLOOD BULLETIN FOR DETAILS... MTZ301-131000- East Glacier Park Region- Including East Glacier Park, Kiowa, Babb, Saint Mary, Marias Pass, and Logan Pass 202 PM MDT Sun May 12 2024 .TONIGHT...Breezy. Partly cloudy. Lows 40 to 45. West winds 15 to 25 mph shifting to the southwest 10 to 15 mph after midnight. .MONDAY...Windy. Partly cloudy in the morning, then mostly cloudy with chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 55 to 65. West winds 20 to 30 mph. Chance of precipitation 50 percent. .MONDAY NIGHT...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the evening, then rain showers likely and slight chance of thunderstorms after midnight. Lows 35 to 45. West winds 10 to 20 mph. Chance of precipitation 70 percent. .TUESDAY...Mostly cloudy. Rain showers in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Light snow accumulations. Highs 45 to 55. Northwest winds 5 to 15 mph. Chance of precipitation 90 percent. .TUESDAY NIGHT...Mostly cloudy with a 40 percent chance of rain showers in the evening, then partly cloudy after midnight. Lows 35 to 40. West winds 5 to 10 mph. .WEDNESDAY...Warmer. Partly cloudy with a 20 percent chance of rain showers. Highs 55 to 65. .WEDNESDAY NIGHT AND THURSDAY...Breezy. Mostly cloudy with a 20 percent chance of rain showers. Lows 40 to 45. Highs 55 to 65. .THURSDAY NIGHT...Breezy. Mostly cloudy with a 40 percent chance of rain showers. Lows 35 to 40. .FRIDAY THROUGH SATURDAY...Cooler. Mostly cloudy with a 50 percent chance of rain showers and snow showers. Highs 40 to 50. Lows 30 to 35. .SATURDAY NIGHT AND SUNDAY...Mostly cloudy with a 40 percent chance of rain showers and snow showers. Lows 30 to 35. Highs 45 to 55. $$ MTZ307-131000- Southern Rocky Mountain Front- Including Rogers Pass 202 PM MDT Sun May 12 2024 .TONIGHT...Mostly clear. Lows 40 to 45. West winds 10 to 15 mph. .MONDAY...Breezy. Sunny in the morning, then mostly cloudy with chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 55 to 65. West winds 15 to 25 mph. Chance of precipitation 40 percent. .MONDAY NIGHT...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the evening, then chance of rain showers after midnight. Lows 40 to 45. West winds 10 to 20 mph. Chance of precipitation 50 percent. .TUESDAY...Rain showers likely in the morning, then rain showers and slight chance of thunderstorms in the afternoon. Highs 50 to 55. Northwest winds 5 to 15 mph. Chance of precipitation 90 percent. .TUESDAY NIGHT...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the evening, then slight chance of rain showers after midnight. Lows 35 to 40. West winds 5 to 10 mph. Chance of precipitation 50 percent. .WEDNESDAY AND WEDNESDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers. Highs 55 to 65. Lows 40 to 45. .THURSDAY...Breezy. Mostly cloudy with a 20 percent chance of rain showers. Highs 55 to 65. .THURSDAY NIGHT...Windy. Mostly cloudy with a 40 percent chance of rain showers. Lows 40 to 45. .FRIDAY AND FRIDAY NIGHT...Breezy. Mostly cloudy with a 50 percent chance of rain showers and snow showers. Highs 50 to 55. Lows 30 to 35. .SATURDAY...Mostly cloudy with a 50 percent chance of rain showers and snow showers. Highs 45 to 50. .SATURDAY NIGHT AND SUNDAY...Mostly cloudy with a 40 percent chance of rain showers and snow showers. Lows 30 to 35. Highs 45 to 55. $$ MTZ302-131000- Northern High Plains- Including Browning, Heart Butte, and Dupuyer 202 PM MDT Sun May 12 2024 .TONIGHT...Mostly clear. Lows 45 to 50. West winds 10 to 15 mph. Gusts up to 30 mph in the evening. .MONDAY...Windy. Sunny in the morning, then partly cloudy with a 20 percent chance of thunderstorms in the afternoon. Highs 65 to 70. West winds 10 to 20 mph increasing to 20 to 30 mph in the afternoon. .MONDAY NIGHT...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the evening, then rain showers likely and slight chance of thunderstorms after midnight. Lows in the mid 40s. Northwest winds 5 to 15 mph. Gusts up to 30 mph in the evening. Chance of precipitation 70 percent. .TUESDAY...Mostly cloudy. Rain showers likely in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 55 to 60. Northwest winds 5 to 15 mph. Chance of precipitation 70 percent. .TUESDAY NIGHT...Mostly cloudy. A 20 percent chance of thunderstorms in the evening. Lows 40 to 45. West winds 5 to 10 mph. .WEDNESDAY...Warmer. Partly cloudy with a 20 percent chance of rain showers. Highs 65 to 70. .WEDNESDAY NIGHT AND THURSDAY...Breezy. Mostly cloudy with a 20 percent chance of rain showers. Lows 45 to 50. Highs 65 to 70. .THURSDAY NIGHT...Breezy. Mostly cloudy with a 40 percent chance of rain showers. Lows 40 to 45. .FRIDAY...Breezy, cooler. Mostly cloudy with a 50 percent chance of rain showers. Highs 50 to 55. .FRIDAY NIGHT...Mostly cloudy with a 40 percent chance of rain showers. Lows around 35. .SATURDAY...Mostly cloudy with a 50 percent chance of rain showers. Highs 50 to 55. .SATURDAY NIGHT AND SUNDAY...Mostly cloudy with a 20 percent chance of rain showers. Lows around 35. Highs 55 to 60. $$ MTZ308-131000- Southern High Plains- Including Bynum, Choteau, and Pendroy 202 PM MDT Sun May 12 2024 .TONIGHT...Mostly clear. Lows 45 to 50. West winds 5 to 15 mph. .MONDAY...Breezy. Sunny in the morning, then partly cloudy with a 20 percent chance of thunderstorms in the afternoon. Highs 70 to 75. West winds 10 to 15 mph increasing to 15 to 25 mph in the afternoon. .MONDAY NIGHT...Partly cloudy with slight chance of thunderstorms in the evening, then mostly cloudy with chance of rain showers after midnight. Lows in the mid 40s. West winds 5 to 15 mph. Gusts up to 30 mph in the evening. Chance of precipitation 50 percent. .TUESDAY...Cooler. Rain showers in the morning, then rain showers likely and slight chance of thunderstorms in the afternoon. Highs around 60. Northwest winds 5 to 15 mph. Chance of precipitation 90 percent. .TUESDAY NIGHT...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the evening, then slight chance of rain showers after midnight. Lows 40 to 45. Northwest winds up to 10 mph shifting to the southwest after midnight. Chance of precipitation 50 percent. .WEDNESDAY...Partly cloudy with a 20 percent chance of rain showers. Highs around 70. .WEDNESDAY NIGHT AND THURSDAY...Mostly cloudy with a 20 percent chance of rain showers. Lows 45 to 50. Highs 70 to 75. .THURSDAY NIGHT...Mostly cloudy with a 40 percent chance of rain showers. Lows around 45. .FRIDAY...Cooler. Mostly cloudy with a 50 percent chance of rain showers. Highs 55 to 60. .FRIDAY NIGHT...Mostly cloudy with a 40 percent chance of rain showers. Lows around 40. .SATURDAY...Mostly cloudy with a 50 percent chance of rain showers. Highs around 55. .SATURDAY NIGHT AND SUNDAY...Mostly cloudy with a 40 percent chance of rain showers. Lows 35 to 40. Highs around 60. $$ MTZ303-131000- Eastern Glacier, Western Toole, and Central Pondera- Including Cut Bank, Ethridge, and Santa Rita 202 PM MDT Sun May 12 2024 .TONIGHT...Partly cloudy. Lows 45 to 50. West winds 5 to 15 mph. .MONDAY...Windy. Sunny in the morning, then partly cloudy with chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 70 to 75. West winds 10 to 15 mph increasing to 20 to 30 mph in the afternoon. Chance of precipitation 50 percent. .MONDAY NIGHT...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the evening, then rain showers likely and slight chance of thunderstorms after midnight. Lows in the mid 40s. Northwest winds 5 to 15 mph. Gusts up to 30 mph in the evening. Chance of precipitation 70 percent. .TUESDAY...Cooler. Mostly cloudy. Rain showers likely in the morning, then slight chance of thunderstorms in the afternoon. Highs around 60. Northwest winds 10 to 15 mph. Chance of precipitation 70 percent. .TUESDAY NIGHT...Mostly cloudy. Slight chance of thunderstorms in the evening, then slight chance of rain showers after midnight. Lows 40 to 45. Northwest winds 5 to 10 mph shifting to the southwest after midnight. Chance of precipitation 20 percent. .WEDNESDAY...Partly cloudy with a 20 percent chance of rain showers. Highs around 70. .WEDNESDAY NIGHT...Mostly cloudy with a 20 percent chance of rain showers. Lows 45 to 50. .THURSDAY...Mostly cloudy with a 30 percent chance of rain showers. Highs around 70. .THURSDAY NIGHT AND FRIDAY...Breezy, cooler. Mostly cloudy with a 40 percent chance of rain showers. Lows 40 to 45. Highs 55 to 60. .FRIDAY NIGHT...Mostly cloudy with a 30 percent chance of rain showers. Lows around 35. .SATURDAY...Mostly cloudy with a 40 percent chance of rain showers. Highs around 55. .SATURDAY NIGHT AND SUNDAY...Mostly cloudy with a 20 percent chance of rain showers. Lows around 35. Highs 55 to 60. && TEMPERATURE / PRECIPITATION Cut Bank 48 72 46 62 / 0 30 50 60 $$ MTZ304-131000- Eastern Toole and Liberty- Including Devon, Shelby, Chester, Galata, Joplin, Lothair, and Whitlash 202 PM MDT Sun May 12 2024 .TONIGHT...Mostly cloudy with chance of rain showers and slight chance of thunderstorms in the evening, then partly cloudy after midnight. Lows 45 to 50. Southwest winds 5 to 15 mph. Chance of precipitation 50 percent. .MONDAY...Sunny in the morning, then mostly cloudy with chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 70 to 75. West winds 10 to 20 mph. Chance of precipitation 50 percent. .MONDAY NIGHT...Mostly cloudy. Chance of thunderstorms in the evening, then chance of rain showers and slight chance of thunderstorms after midnight. Lows 45 to 50. Northwest winds 5 to 15 mph. Chance of precipitation 50 percent. .TUESDAY...Mostly cloudy. Rain showers likely in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 60 to 65. Northwest winds 5 to 15 mph. Chance of precipitation 70 percent. .TUESDAY NIGHT...Partly cloudy with slight chance of thunderstorms in the evening, then mostly cloudy with slight chance of rain showers after midnight. Lows around 45. Northwest winds 5 to 10 mph shifting to the southwest after midnight. Chance of precipitation 20 percent. .WEDNESDAY...Partly cloudy with a 20 percent chance of rain showers. Highs 65 to 70. .WEDNESDAY NIGHT AND THURSDAY...Mostly cloudy with a 30 percent chance of rain showers. Lows 45 to 50. Highs 70 to 75. .THURSDAY NIGHT...Mostly cloudy with a 50 percent chance of rain showers. Lows 40 to 45. .FRIDAY...Breezy, cooler. Mostly cloudy with a 40 percent chance of rain showers. Highs 55 to 60. .FRIDAY NIGHT...Mostly cloudy with a 30 percent chance of rain showers. Lows 35 to 40. .SATURDAY...Mostly cloudy with a 40 percent chance of rain showers. Highs around 55. .SATURDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers. Lows around 35. .SUNDAY...Mostly cloudy with a 40 percent chance of rain showers. Highs 55 to 60. $$ MTZ305-131000- Hill County- Including Havre 202 PM MDT Sun May 12 2024 .TONIGHT...Mostly cloudy with chance of rain showers and slight chance of thunderstorms in the evening, then partly cloudy after midnight. Lows around 50. South winds 5 to 15 mph. Chance of precipitation 50 percent. .MONDAY...Sunny in the morning, then mostly cloudy with a 50 percent chance of thunderstorms in the afternoon. Highs in the mid 70s. West winds 5 to 15 mph. .MONDAY NIGHT...Mostly cloudy. Chance of thunderstorms in the evening, then chance of rain showers and slight chance of thunderstorms after midnight. Lows 45 to 50. Northwest winds 5 to 15 mph. Chance of precipitation 50 percent. .TUESDAY...Cooler. Mostly cloudy. Chance of rain showers in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs around 65. Northwest winds 5 to 15 mph. Chance of precipitation 50 percent. .TUESDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers. Lows around 45. Northwest winds 5 to 15 mph shifting to the southwest after midnight. .WEDNESDAY...Partly cloudy with chance of rain showers and slight chance of thunderstorms. Highs around 70. Chance of precipitation 40 percent. .WEDNESDAY NIGHT AND THURSDAY...Mostly cloudy with a 30 percent chance of rain showers. Lows 45 to 50. Highs 70 to 75. .THURSDAY NIGHT...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Lows around 45. Chance of precipitation 50 percent. .FRIDAY...Breezy, cooler. Mostly cloudy with a 40 percent chance of rain showers. Highs around 60. .FRIDAY NIGHT...Colder. Mostly cloudy with a 30 percent chance of rain showers. Lows 35 to 40. .SATURDAY...Mostly cloudy with a 40 percent chance of rain showers. Highs around 55. .SATURDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers. Lows 35 to 40. .SUNDAY...Mostly cloudy with a 30 percent chance of rain showers. Highs around 60. && TEMPERATURE / PRECIPITATION Havre 50 77 48 69 / 60 40 50 50 $$ MTZ306-131000- Northern Blaine County- Including Chinook, Zurich, Harlem, Hogeland, and Fort Belknap 202 PM MDT Sun May 12 2024 .TONIGHT...Mostly cloudy. Slight chance of thunderstorms in the evening, then chance of rain showers and slight chance of thunderstorms after midnight. Haze through the night. Lows 45 to 50. South winds 5 to 15 mph. Chance of precipitation 50 percent. .MONDAY...Sunny in the morning, then partly cloudy with a 50 percent chance of thunderstorms in the afternoon. Highs in the mid 70s. West winds 10 to 20 mph. .MONDAY NIGHT...Mostly cloudy. Chance of thunderstorms in the evening, then chance of rain showers and slight chance of thunderstorms after midnight. Lows 45 to 50. Northwest winds 5 to 15 mph. Chance of precipitation 50 percent. .TUESDAY...Cooler. Mostly cloudy with a 50 percent chance of rain showers. Highs around 65. Northwest winds 10 to 20 mph. .TUESDAY NIGHT...Partly cloudy. Lows 40 to 45. Northwest winds 5 to 15 mph. .WEDNESDAY AND WEDNESDAY NIGHT...Mostly cloudy with a 40 percent chance of rain showers. Highs 65 to 70. Lows around 45. .THURSDAY...Mostly cloudy with a 30 percent chance of rain showers. Highs 70 to 75. .THURSDAY NIGHT...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Lows around 45. Chance of precipitation 50 percent. .FRIDAY THROUGH SATURDAY...Breezy. Mostly cloudy with a 40 percent chance of rain showers. Highs 55 to 60. Lows 35 to 40. .SATURDAY NIGHT AND SUNDAY...Partly cloudy with a 20 percent chance of rain showers. Lows 35 to 40. Highs around 60. $$ MTZ309-131000- Eastern Pondera and Eastern Teton- Including Brady, Conrad, and Ledger 202 PM MDT Sun May 12 2024 .TONIGHT...Mostly clear. Lows 45 to 50. West winds 5 to 10 mph. .MONDAY...Sunny in the morning, then mostly cloudy with chance of rain showers and slight chance of thunderstorms in the afternoon. Highs in the mid 70s. West winds 10 to 20 mph. Chance of precipitation 40 percent. .MONDAY NIGHT...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Lows in the mid 40s. Northwest winds 5 to 15 mph. Chance of precipitation 50 percent. .TUESDAY...Cooler. Mostly cloudy. Rain showers in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 60 to 65. Northwest winds 5 to 15 mph. Chance of precipitation 80 percent. .TUESDAY NIGHT...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the evening, then slight chance of rain showers after midnight. Lows 40 to 45. Northwest winds 5 to 10 mph shifting to the southwest after midnight. Chance of precipitation 40 percent. .WEDNESDAY...Partly cloudy with a 20 percent chance of rain showers. Highs around 70. .WEDNESDAY NIGHT AND THURSDAY...Mostly cloudy with a 20 percent chance of rain showers. Lows around 45. Highs 70 to 75. .THURSDAY NIGHT AND FRIDAY...Breezy, cooler. Mostly cloudy with a 40 percent chance of rain showers. Lows around 45. Highs around 60. .FRIDAY NIGHT...Colder. Mostly cloudy with a 30 percent chance of rain showers. Lows 35 to 40. .SATURDAY...Mostly cloudy with a 40 percent chance of rain showers. Highs around 55. .SATURDAY NIGHT AND SUNDAY...Mostly cloudy with a 30 percent chance of rain showers. Lows around 35. Highs around 60. $$ MTZ310-131000- Western and Central Chouteau County- Including Floweree, Carter, and Fort Benton 202 PM MDT Sun May 12 2024 .TONIGHT...Mostly cloudy with a 20 percent chance of thunderstorms in the evening, then partly cloudy after midnight. Lows around 50. South winds 5 to 10 mph. .MONDAY...Sunny in the morning, then partly cloudy with chance of rain showers and slight chance of thunderstorms in the afternoon. Highs in the mid 70s. West winds 5 to 15 mph. Chance of precipitation 40 percent. .MONDAY NIGHT...Mostly cloudy. Chance of thunderstorms in the evening, then chance of rain showers and slight chance of thunderstorms after midnight. Lows 45 to 50. West winds 5 to 15 mph. Chance of precipitation 50 percent. .TUESDAY...Cooler. Rain showers and slight chance of thunderstorms in the morning, then rain showers likely and slight chance of thunderstorms in the afternoon. Highs 60 to 65. Northwest winds 5 to 15 mph. Chance of precipitation 90 percent. .TUESDAY NIGHT...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the evening, then slight chance of rain showers after midnight. Lows around 45. Northwest winds 5 to 10 mph shifting to the southwest after midnight. Chance of precipitation 40 percent. .WEDNESDAY...Partly cloudy with a 50 percent chance of rain showers. Highs around 70. .WEDNESDAY NIGHT AND THURSDAY...Mostly cloudy with a 30 percent chance of rain showers. Lows 45 to 50. Highs around 75. .THURSDAY NIGHT AND FRIDAY...Breezy, cooler. Mostly cloudy with a 50 percent chance of rain showers. Lows 45 to 50. Highs around 60. .FRIDAY NIGHT...Mostly cloudy with a 40 percent chance of rain showers. Lows around 40. .SATURDAY...Mostly cloudy with a 50 percent chance of rain showers. Highs 55 to 60. .SATURDAY NIGHT AND SUNDAY...Mostly cloudy with a 40 percent chance of rain showers. Lows 35 to 40. Highs around 60. $$ MTZ311-131000- Bears Paw Mountains and Southern Blaine- Including Rocky Boy 202 PM MDT Sun May 12 2024 .TONIGHT...Mostly cloudy with a 20 percent chance of thunderstorms in the evening, then partly cloudy after midnight. Haze through the night. Lows around 50. South winds 5 to 15 mph. .MONDAY...Sunny in the morning, then partly cloudy with a 20 percent chance of thunderstorms in the afternoon. Highs in the mid 70s. West winds 10 to 20 mph. .MONDAY NIGHT...Mostly cloudy. Chance of thunderstorms in the evening, then chance of rain showers and slight chance of thunderstorms after midnight. Lows 45 to 50. Northwest winds 5 to 15 mph. Chance of precipitation 50 percent. .TUESDAY...Cooler. Mostly cloudy. Chance of rain showers in the morning, then rain showers likely and slight chance of thunderstorms in the afternoon. Highs 60 to 65. Northwest winds 5 to 15 mph. Chance of precipitation 70 percent. .TUESDAY NIGHT...Mostly cloudy with slight chance of thunderstorms in the evening, then partly cloudy with slight chance of rain showers after midnight. Lows around 45. Northwest winds 5 to 15 mph. Chance of precipitation 20 percent. .WEDNESDAY...Partly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 65 to 70. Chance of precipitation 40 percent. .WEDNESDAY NIGHT...Mostly cloudy with a 40 percent chance of rain showers. Lows 45 to 50. .THURSDAY...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 70 to 75. Chance of precipitation 30 percent. .THURSDAY NIGHT...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Lows 45 to 50. Chance of precipitation 50 percent. .FRIDAY...Breezy, cooler. Mostly cloudy with a 50 percent chance of rain showers. Highs 55 to 60. .FRIDAY NIGHT AND SATURDAY...Mostly cloudy with a 40 percent chance of rain showers. Lows 35 to 40. Highs 55 to 60. .SATURDAY NIGHT...Mostly cloudy with a 20 percent chance of rain showers. Lows 35 to 40. .SUNDAY...Mostly cloudy with a 40 percent chance of rain showers. Highs 55 to 60. $$ MTZ312-131000- Cascade County below 5000ft- Including Great Falls 202 PM MDT Sun May 12 2024 .TONIGHT...Partly cloudy. Lows 45 to 50. Southwest winds 5 to 10 mph. .MONDAY...Sunny in the morning, then mostly cloudy with chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 70 to 75. West winds 10 to 20 mph. Chance of precipitation 40 percent. .MONDAY NIGHT...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Lows 45 to 50. West winds 5 to 15 mph. Chance of precipitation 50 percent. .TUESDAY...Rain showers and slight chance of thunderstorms in the morning, then rain showers and chance of thunderstorms in the afternoon. Highs 60 to 65. Northwest winds 5 to 15 mph. Chance of precipitation 90 percent. .TUESDAY NIGHT...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the evening, then slight chance of rain showers after midnight. Lows around 45. West winds up to 10 mph shifting to the southwest after midnight. Chance of precipitation 50 percent. .WEDNESDAY...Partly cloudy with a 20 percent chance of rain showers. Highs 65 to 70. .WEDNESDAY NIGHT...Mostly cloudy with a 20 percent chance of rain showers. Lows 45 to 50. .THURSDAY...Partly cloudy with a 20 percent chance of rain showers. Highs 70 to 75. .THURSDAY NIGHT...Mostly cloudy with a 40 percent chance of rain showers. Lows 45 to 50. .FRIDAY...Mostly cloudy with a 50 percent chance of rain showers. Highs 60 to 65. .FRIDAY NIGHT...Mostly cloudy with a 40 percent chance of rain showers. Lows around 40. .SATURDAY...Mostly cloudy with a 50 percent chance of rain showers. Highs 55 to 60. .SATURDAY NIGHT...Mostly cloudy with a 40 percent chance of rain showers. Lows 35 to 40. .SUNDAY...Mostly cloudy with a 50 percent chance of rain showers. Highs 60 to 65. && TEMPERATURE / PRECIPITATION Great Falls Arpt 49 75 47 62 / 40 30 40 80 $$ MTZ313-131000- Judith Basin County and Judith Gap- Including Raynesford, Geyser, Stanford, Windham, Benchland, Hobson, and Moccasin 202 PM MDT Sun May 12 2024 .TONIGHT...Partly cloudy. A 20 percent chance of thunderstorms in the evening. Lows 45 to 50. Southwest winds 5 to 15 mph. .MONDAY...Sunny in the morning, then partly cloudy with a 20 percent chance of thunderstorms in the afternoon. Highs around 70. West winds 10 to 20 mph. .MONDAY NIGHT...Mostly cloudy. Rain showers likely and chance of thunderstorms in the evening, then chance of rain showers and slight chance of thunderstorms after midnight. Lows in the mid 40s. West winds 5 to 15 mph. Chance of precipitation 70 percent. .TUESDAY...Cooler. Rain showers likely in the morning, then rain showers and chance of thunderstorms in the afternoon. Highs 55 to 60. Northwest winds 10 to 15 mph. Chance of precipitation 90 percent. .TUESDAY NIGHT...Mostly cloudy. Chance of thunderstorms in the evening, then slight chance of rain showers after midnight. Lows 40 to 45. Northwest winds 5 to 15 mph shifting to the southwest after midnight. Chance of precipitation 50 percent. .WEDNESDAY...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs around 65. Chance of precipitation 50 percent. .WEDNESDAY NIGHT...Mostly cloudy with a 40 percent chance of rain showers. Lows around 45. .THURSDAY...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs around 70. Chance of precipitation 30 percent. .THURSDAY NIGHT AND FRIDAY...Breezy, cooler. Mostly cloudy with a 50 percent chance of rain showers. Lows around 45. Highs around 60. .FRIDAY NIGHT AND SATURDAY...Mostly cloudy with a 50 percent chance of rain showers. Lows 35 to 40. Highs around 55. .SATURDAY NIGHT...Mostly cloudy with a 40 percent chance of rain showers. Lows 35 to 40. .SUNDAY...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 55 to 60. Chance of precipitation 50 percent. $$ MTZ314-131000- Fergus County below 4500ft- Including Hilger and Lewistown 202 PM MDT Sun May 12 2024 .TONIGHT...Partly cloudy. A 20 percent chance of thunderstorms in the evening. Haze in the evening. Lows around 50. South winds 5 to 15 mph. .MONDAY...Sunny. A 20 percent chance of rain showers in the afternoon. Highs in the mid 70s. West winds 10 to 15 mph. .MONDAY NIGHT...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the evening, then slight chance of rain showers after midnight. Lows 45 to 50. West winds 5 to 15 mph. Chance of precipitation 50 percent. .TUESDAY...Cooler. Mostly cloudy. Chance of rain showers in the morning, then rain showers likely and chance of thunderstorms in the afternoon. Highs 60 to 65. Northwest winds 10 to 20 mph. Chance of precipitation 70 percent. .TUESDAY NIGHT...Mostly cloudy. Slight chance of thunderstorms in the evening, then slight chance of rain showers after midnight. Lows around 45. West winds 5 to 15 mph. Chance of precipitation 20 percent. .WEDNESDAY...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 65 to 70. Chance of precipitation 50 percent. .WEDNESDAY NIGHT...Mostly cloudy with a 30 percent chance of rain showers. Lows 45 to 50. .THURSDAY...Mostly cloudy with a 20 percent chance of thunderstorms. Highs 70 to 75. .THURSDAY NIGHT...Mostly cloudy with a 40 percent chance of rain showers. Lows 45 to 50. .FRIDAY...Breezy. Mostly cloudy with a 50 percent chance of rain showers. Highs 60 to 65. .FRIDAY NIGHT...Mostly cloudy with a 40 percent chance of rain showers. Lows around 40. .SATURDAY...Mostly cloudy with a 50 percent chance of rain showers. Highs 55 to 60. .SATURDAY NIGHT...Mostly cloudy with a 20 percent chance of rain showers. Lows around 40. .SUNDAY...Mostly cloudy with a 50 percent chance of rain showers. Highs around 60. && TEMPERATURE / PRECIPITATION Lewistown 47 71 45 59 / 30 20 50 80 $$ MTZ315-131000- Upper Blackfoot and MacDonald Pass- Including Marysville, Lincoln, Flesher Pass, and MacDonald Pass 202 PM MDT Sun May 12 2024 .TONIGHT...Mostly clear. Lows in the mid 40s. West winds 5 to 15 mph. .MONDAY...Breezy. Sunny in the morning, then partly cloudy with chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 60 to 70. West winds 10 to 15 mph increasing to 15 to 25 mph in the afternoon. Chance of precipitation 50 percent. .MONDAY NIGHT...Partly cloudy with slight chance of thunderstorms in the evening, then mostly cloudy with slight chance of rain showers after midnight. Lows 40 to 45. West winds 5 to 15 mph. Chance of precipitation 20 percent. .TUESDAY...Mostly cloudy. Chance of rain showers in the morning, then rain showers and chance of thunderstorms in the afternoon. Highs 55 to 60. Northwest winds 5 to 15 mph. Chance of precipitation 90 percent. .TUESDAY NIGHT...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the evening, then slight chance of rain showers after midnight. Lows around 40. Northwest winds 5 to 10 mph shifting to the west after midnight. Chance of precipitation 50 percent. .WEDNESDAY...Mostly cloudy with a 20 percent chance of rain showers. Highs 60 to 65. .WEDNESDAY NIGHT THROUGH THURSDAY NIGHT...Breezy. Partly cloudy with a 20 percent chance of rain showers. Lows 40 to 45. Highs 65 to 70. .FRIDAY...Breezy. Mostly cloudy with a 40 percent chance of rain showers. Highs 55 to 65. .FRIDAY NIGHT...Colder. Mostly cloudy with a 40 percent chance of rain showers and snow showers. Lows 35 to 40. .SATURDAY...Mostly cloudy with a 50 percent chance of rain showers and snow showers. Highs 50 to 55. .SATURDAY NIGHT...Mostly cloudy with a 20 percent chance of rain showers and snow showers. Lows around 35. .SUNDAY...Mostly cloudy with a 40 percent chance of rain showers and snow showers. Highs 50 to 60. $$ MTZ316-131000- Gates of the Mountains- Including Canyon Creek, Wolf Creek, and Craig 202 PM MDT Sun May 12 2024 .TONIGHT...Mostly clear. Lows 45 to 50. West winds 5 to 15 mph. .MONDAY...Sunny in the morning, then partly cloudy with chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 70 to 75. West winds 10 to 20 mph. Chance of precipitation 40 percent. .MONDAY NIGHT...Partly cloudy with chance of rain showers and slight chance of thunderstorms in the evening, then mostly cloudy with slight chance of rain showers after midnight. Lows in the mid 40s. West winds 5 to 15 mph. Chance of precipitation 40 percent. .TUESDAY...Rain showers likely in the morning, then rain showers and chance of thunderstorms in the afternoon. Highs 55 to 65. Northwest winds 5 to 15 mph. Chance of precipitation 90 percent. .TUESDAY NIGHT...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the evening, then slight chance of rain showers after midnight. Lows 40 to 45. Northwest winds 5 to 10 mph shifting to the southwest after midnight. Chance of precipitation 50 percent. .WEDNESDAY...Mostly cloudy with a 40 percent chance of rain showers. Highs 65 to 70. .WEDNESDAY NIGHT AND THURSDAY...Partly cloudy with a 20 percent chance of rain showers. Lows 45 to 50. Highs 70 to 75. .THURSDAY NIGHT...Mostly cloudy with a 30 percent chance of rain showers. Lows 45 to 50. .FRIDAY AND FRIDAY NIGHT...Breezy, cooler. Mostly cloudy with a 40 percent chance of rain showers. Highs 55 to 65. Lows around 40. .SATURDAY...Mostly cloudy with a 50 percent chance of rain showers. Highs 55 to 60. .SATURDAY NIGHT...Mostly cloudy with a 20 percent chance of rain showers. Lows 35 to 40. .SUNDAY...Mostly cloudy with a 40 percent chance of rain showers. Highs 55 to 60. $$ MTZ317-131000- Little Belt and Highwood Mountains- Including Monarch, Neihart, and Kings Hill Pass 202 PM MDT Sun May 12 2024 .TONIGHT...Partly cloudy. A 20 percent chance of thunderstorms in the evening. Lows 40 to 50. Southwest winds 5 to 10 mph. .MONDAY...Sunny in the morning, then partly cloudy with chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 60 to 70. West winds 10 to 20 mph. Chance of precipitation 50 percent. .MONDAY NIGHT...Mostly cloudy. Rain showers likely and chance of thunderstorms in the evening, then slight chance of thunderstorms after midnight. Lows 40 to 45. West winds 5 to 15 mph. Chance of precipitation 70 percent. .TUESDAY...Cooler. Rain showers likely in the morning, then rain showers and chance of thunderstorms in the afternoon. Highs 50 to 55. Northwest winds 5 to 15 mph. Chance of precipitation near 100 percent. .TUESDAY NIGHT...Mostly cloudy. Chance of thunderstorms in the evening, then chance of rain showers after midnight. Lows 35 to 40. Northwest winds 5 to 10 mph shifting to the southwest after midnight. Chance of precipitation 50 percent. .WEDNESDAY...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 55 to 60. Chance of precipitation 50 percent. .WEDNESDAY NIGHT...Mostly cloudy with a 20 percent chance of rain showers. Lows 40 to 45. .THURSDAY...Warmer. Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 60 to 70. Chance of precipitation 40 percent. .THURSDAY NIGHT AND FRIDAY...Breezy, cooler. Mostly cloudy with a 50 percent chance of rain showers. Lows 40 to 45. Highs 50 to 60. .FRIDAY NIGHT...Colder. Mostly cloudy with a 50 percent chance of rain showers and snow showers. Lows 30 to 40. .SATURDAY...Mostly cloudy with chance of rain showers, snow showers and slight chance of thunderstorms. Highs 45 to 55. Chance of precipitation 50 percent. .SATURDAY NIGHT...Mostly cloudy with a 50 percent chance of rain showers and snow showers. Lows 30 to 35. .SUNDAY...Mostly cloudy with chance of rain showers, snow showers and slight chance of thunderstorms. Highs 50 to 55. Chance of precipitation 50 percent. $$ MTZ318-131000- Snowy and Judith Mountains- 202 PM MDT Sun May 12 2024 .TONIGHT...Partly cloudy. A 40 percent chance of thunderstorms in the evening. Lows 45 to 50. Southwest winds 5 to 15 mph. .MONDAY...Sunny in the morning, then partly cloudy with a 20 percent chance of rain showers in the afternoon. Highs 65 to 70. West winds 10 to 15 mph. .MONDAY NIGHT...Mostly cloudy. Rain showers likely and chance of thunderstorms in the evening, then chance of rain showers after midnight. Lows 40 to 45. West winds 10 to 15 mph. Chance of precipitation 70 percent. .TUESDAY...Cooler. Rain showers likely in the morning, then rain showers and chance of thunderstorms in the afternoon. Highs 50 to 55. Northwest winds 10 to 20 mph. Chance of precipitation 90 percent. .TUESDAY NIGHT...Mostly cloudy. Chance of thunderstorms in the evening, then slight chance of rain showers after midnight. Lows 40 to 45. West winds 5 to 15 mph. Chance of precipitation 50 percent. .WEDNESDAY...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 55 to 60. Chance of precipitation 50 percent. .WEDNESDAY NIGHT...Mostly cloudy with a 40 percent chance of rain showers. Lows 40 to 45. .THURSDAY...Warmer. Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 65 to 70. Chance of precipitation 40 percent. .THURSDAY NIGHT AND FRIDAY...Windy, cooler. Mostly cloudy with a 50 percent chance of rain showers. Lows around 45. Highs 50 to 60. .FRIDAY NIGHT AND SATURDAY...Mostly cloudy with a 50 percent chance of rain showers and snow showers. Lows 35 to 40. Highs 50 to 55. .SATURDAY NIGHT...Mostly cloudy with a 40 percent chance of rain showers and snow showers. Lows around 35. .SUNDAY...Mostly cloudy with chance of rain showers, snow showers and slight chance of thunderstorms. Highs 50 to 55. Chance of precipitation 50 percent. $$ MTZ319-131000- Helena Valley- Including Helena 202 PM MDT Sun May 12 2024 .TONIGHT...Mostly clear. Lows 45 to 50. West winds 5 to 15 mph. .MONDAY...Breezy. Sunny in the morning, then partly cloudy with chance of rain showers and slight chance of thunderstorms in the afternoon. Highs in the mid 70s. Southwest winds 5 to 10 mph increasing to west 15 to 25 mph in the afternoon. Chance of precipitation 40 percent. .MONDAY NIGHT...Partly cloudy. A 20 percent chance of thunderstorms in the evening. Lows 45 to 50. West winds 5 to 15 mph. Gusts up to 30 mph in the evening. .TUESDAY...Cooler. Mostly cloudy. Chance of rain showers in the morning, then rain showers likely and chance of thunderstorms in the afternoon. Highs around 65. Northwest winds 5 to 15 mph. Chance of precipitation 70 percent. .TUESDAY NIGHT...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the evening, then slight chance of rain showers after midnight. Lows around 45. Northwest winds 5 to 15 mph shifting to the west 5 to 10 mph after midnight. Chance of precipitation 30 percent. .WEDNESDAY...Partly cloudy with a 20 percent chance of rain showers. Highs 70 to 75. .WEDNESDAY NIGHT...Partly cloudy. Lows 45 to 50. .THURSDAY AND THURSDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers. Highs 75 to 80. Lows around 50. .FRIDAY AND FRIDAY NIGHT...Cooler. Partly cloudy with a 30 percent chance of rain showers. Highs 65 to 70. Lows around 40. .SATURDAY...Partly cloudy with a 40 percent chance of rain showers. Highs 60 to 65. .SATURDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers. Lows around 40. .SUNDAY...Mostly cloudy with a 40 percent chance of rain showers. Highs around 65. && TEMPERATURE / PRECIPITATION Helena 51 77 50 67 / 0 30 20 70 $$ MTZ320-131000- Big Belt, Bridger and Castle Mountains- Including Trident, Maudlow, Battle Ridge Pass, Bozeman Pass, and Deep Creek Pass 202 PM MDT Sun May 12 2024 .TONIGHT...Partly cloudy. Lows in the mid 40s. West winds up to 10 mph. .MONDAY...Sunny in the morning, then partly cloudy with chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 60 to 70. West winds 10 to 20 mph. Chance of precipitation 50 percent. .MONDAY NIGHT...Mostly cloudy with chance of rain showers and slight chance of thunderstorms in the evening, then partly cloudy with slight chance of rain showers after midnight. Lows 40 to 45. West winds 5 to 15 mph. Chance of precipitation 50 percent. .TUESDAY...Mostly cloudy. Chance of rain showers in the morning, then rain showers and chance of thunderstorms in the afternoon. Highs 50 to 60. Northwest winds 5 to 15 mph. Chance of precipitation 90 percent. .TUESDAY NIGHT...Mostly cloudy. Chance of thunderstorms in the evening, then slight chance of thunderstorms after midnight. Lows around 40. North winds 5 to 15 mph shifting to the west after midnight. Chance of thunderstorms 50 percent. .WEDNESDAY...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 55 to 65. Chance of precipitation 50 percent. .WEDNESDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers. Lows 40 to 45. .THURSDAY...Partly cloudy with a 30 percent chance of rain showers. Highs 60 to 70. .THURSDAY NIGHT...Partly cloudy with a 40 percent chance of rain showers. Lows around 45. .FRIDAY...Breezy. Mostly cloudy with a 50 percent chance of rain showers. Highs 55 to 65. .FRIDAY NIGHT...Colder. Mostly cloudy with a 40 percent chance of rain showers and snow showers. Lows 35 to 40. .SATURDAY...Mostly cloudy with a 50 percent chance of rain showers and snow showers. Highs 50 to 60. .SATURDAY NIGHT...Mostly cloudy with a 40 percent chance of rain showers and snow showers. Lows 35 to 40. .SUNDAY...Mostly cloudy with chance of rain showers, snow showers and slight chance of thunderstorms. Highs 50 to 60. Chance of precipitation 50 percent. $$ MTZ321-131000- Meagher County Valleys- Including Martinsdale, Checkerboard, Ringling, and White Sulphur Springs 202 PM MDT Sun May 12 2024 .TONIGHT...Partly cloudy. Lows in the mid 40s. North winds up to 10 mph shifting to the west after midnight. .MONDAY...Sunny in the morning, then partly cloudy with a 50 percent chance of rain showers in the afternoon. Highs around 70. West winds 10 to 20 mph. .MONDAY NIGHT...Mostly cloudy with chance of thunderstorms in the evening, then partly cloudy with slight chance of rain showers after midnight. Lows 40 to 45. West winds 5 to 15 mph. Chance of precipitation 50 percent. .TUESDAY...Cooler. Mostly cloudy. Chance of rain showers in the morning, then rain showers and chance of thunderstorms in the afternoon. Highs 55 to 60. Northwest winds 5 to 15 mph. Chance of precipitation 90 percent. .TUESDAY NIGHT...Mostly cloudy. Chance of thunderstorms in the evening, then slight chance of rain showers after midnight. Lows around 40. Northwest winds 5 to 15 mph. Chance of precipitation 50 percent. .WEDNESDAY...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 60 to 65. Chance of precipitation 50 percent. .WEDNESDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers. Lows around 40. .THURSDAY...Partly cloudy with a 30 percent chance of rain showers. Highs around 70. .THURSDAY NIGHT...Partly cloudy with a 40 percent chance of rain showers. Lows around 45. .FRIDAY...Breezy, cooler. Mostly cloudy with a 50 percent chance of rain showers. Highs around 60. .FRIDAY NIGHT...Colder. Mostly cloudy with a 40 percent chance of rain showers. Lows around 35. .SATURDAY...Mostly cloudy with a 50 percent chance of rain showers. Highs around 55. .SATURDAY NIGHT...Mostly cloudy with a 40 percent chance of rain showers. Lows around 35. .SUNDAY...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 55 to 60. Chance of precipitation 50 percent. $$ MTZ322-131000- Elkhorn and Boulder Mountains- Including Montana City, Clancy, Boulder, Corbin, Wickes, Elk Park Pass, and Homestake Pass 202 PM MDT Sun May 12 2024 .TONIGHT...Mostly clear. Lows 40 to 50. Northwest winds 5 to 15 mph. .MONDAY...Sunny in the morning, then mostly cloudy with chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 60 to 70. West winds 10 to 20 mph. Chance of precipitation 50 percent. .MONDAY NIGHT...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the evening. Lows 40 to 45. Northwest winds 5 to 15 mph. Chance of precipitation 40 percent. .TUESDAY...Mostly cloudy. Chance of rain showers in the morning, then rain showers likely and chance of thunderstorms in the afternoon. Highs 55 to 60. Northwest winds 5 to 15 mph. Chance of precipitation 70 percent. .TUESDAY NIGHT...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the evening, then slight chance of rain showers after midnight. Lows 35 to 45. Northwest winds 5 to 15 mph. Chance of precipitation 50 percent. .WEDNESDAY...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 60 to 65. Chance of precipitation 40 percent. .WEDNESDAY NIGHT...Partly cloudy. Lows 40 to 45. .THURSDAY AND THURSDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers. Highs 65 to 70. Lows 40 to 45. .FRIDAY...Partly cloudy with a 40 percent chance of rain showers. Highs 55 to 65. .FRIDAY NIGHT...Partly cloudy with chance of rain showers and slight chance of snow showers. Lows 35 to 40. Chance of precipitation 30 percent. .SATURDAY...Mostly cloudy with chance of rain showers and slight chance of snow showers. Highs 50 to 60. Chance of precipitation 50 percent. .SATURDAY NIGHT...Mostly cloudy with a 20 percent chance of rain showers and snow showers. Lows 30 to 40. .SUNDAY...Mostly cloudy with chance of rain showers, slight chance of thunderstorms and snow showers. Highs 55 to 60. Chance of precipitation 40 percent. $$ MTZ323-131000- Canyon Ferry Area- Including Toston, Townsend, and Winston 202 PM MDT Sun May 12 2024 .TONIGHT...Partly cloudy. Lows 45 to 50. Northwest winds up to 10 mph. .MONDAY...Sunny in the morning, then mostly cloudy with chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 70 to 75. Southwest winds up to 10 mph increasing to northwest 10 to 20 mph in the afternoon. Chance of precipitation 40 percent. .MONDAY NIGHT...Mostly cloudy with chance of rain showers and slight chance of thunderstorms in the evening, then partly cloudy after midnight. Lows 45 to 50. Northwest winds 10 to 20 mph shifting to the west 5 to 10 mph after midnight. Chance of precipitation 40 percent. .TUESDAY...Mostly cloudy. Chance of rain showers in the morning, then rain showers likely and chance of thunderstorms in the afternoon. Highs 60 to 65. Northwest winds 5 to 15 mph. Chance of precipitation 70 percent. .TUESDAY NIGHT...Mostly cloudy. Chance of thunderstorms in the evening, then slight chance of rain showers after midnight. Lows around 45. North winds 10 to 15 mph shifting to the northwest after midnight. Chance of precipitation 50 percent. .WEDNESDAY...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 65 to 70. Chance of precipitation 40 percent. .WEDNESDAY NIGHT...Partly cloudy. Lows 45 to 50. .THURSDAY AND THURSDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers. Highs around 75. Lows around 50. .FRIDAY...Partly cloudy with a 40 percent chance of rain showers. Highs 65 to 70. .FRIDAY NIGHT...Colder. Partly cloudy with a 20 percent chance of rain showers. Lows around 40. .SATURDAY...Partly cloudy with a 50 percent chance of rain showers. Highs 60 to 65. .SATURDAY NIGHT...Mostly cloudy with a 20 percent chance of rain showers. Lows around 40. .SUNDAY...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 60 to 65. Chance of precipitation 40 percent. $$ MTZ324-131000- Missouri Headwaters- Including Harrison, Three Forks, Willow Creek, Pony, and Whitehall 202 PM MDT Sun May 12 2024 .TONIGHT...Partly cloudy. Lows 45 to 50. North winds 5 to 10 mph shifting to the west after midnight. .MONDAY...Breezy. Sunny in the morning, then mostly cloudy with chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 70 to 75. West winds 5 to 10 mph increasing to 15 to 25 mph in the afternoon. Chance of precipitation 50 percent. .MONDAY NIGHT...Mostly cloudy. A 50 percent chance of thunderstorms in the evening. Lows in the mid 40s. West winds 5 to 15 mph. Gusts up to 30 mph in the evening. .TUESDAY...Mostly cloudy. Chance of rain showers in the morning, then rain showers likely and chance of thunderstorms in the afternoon. Highs 60 to 65. Northwest winds 5 to 15 mph. Chance of precipitation 70 percent. .TUESDAY NIGHT...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the evening. Lows 40 to 45. North winds 10 to 15 mph shifting to the west after midnight. Chance of precipitation 40 percent. .WEDNESDAY...Partly cloudy with a 20 percent chance of thunderstorms. Highs 65 to 70. .WEDNESDAY NIGHT...Partly cloudy. Lows around 45. .THURSDAY AND THURSDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers. Highs 75 to 80. Lows 45 to 50. .FRIDAY AND FRIDAY NIGHT...Not as warm. Partly cloudy with a 20 percent chance of rain showers. Highs around 70. Lows around 40. .SATURDAY...Partly cloudy with a 40 percent chance of rain showers. Highs 60 to 65. .SATURDAY NIGHT...Mostly cloudy with a 20 percent chance of rain showers. Lows around 40. .SUNDAY...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 60 to 65. Chance of precipitation 40 percent. $$ MTZ325-131000- Madison River Valley- Including Cameron, Ennis, Jeffers, McAllister, and Norris 202 PM MDT Sun May 12 2024 .TONIGHT...Partly cloudy. Lows 45 to 50. North winds up to 10 mph shifting to the southwest after midnight. .MONDAY...Partly cloudy in the morning, then mostly cloudy with chance of rain showers and slight chance of thunderstorms in the afternoon. Highs around 70. South winds up to 10 mph increasing to west 10 to 20 mph in the afternoon. Chance of precipitation 50 percent. .MONDAY NIGHT...Mostly cloudy. Chance of thunderstorms in the evening, then slight chance of thunderstorms after midnight. Lows 40 to 45. Southwest winds 5 to 15 mph. Chance of thunderstorms 50 percent. .TUESDAY...Mostly cloudy. Chance of rain showers in the morning, then rain showers likely and chance of thunderstorms in the afternoon. Highs 60 to 65. West winds up to 5 mph shifting to the north 5 to 15 mph in the afternoon. Chance of precipitation 70 percent. .TUESDAY NIGHT...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the evening. Lows 40 to 45. North winds 5 to 15 mph shifting to the northwest up to 5 mph after midnight. Chance of precipitation 40 percent. .WEDNESDAY...Mostly cloudy with a 20 percent chance of thunderstorms. Highs around 65. .WEDNESDAY NIGHT...Partly cloudy. Lows 40 to 45. .THURSDAY AND THURSDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers. Highs 70 to 75. Lows 45 to 50. .FRIDAY AND FRIDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers. Highs 65 to 70. Lows around 40. .SATURDAY...Partly cloudy with a 40 percent chance of rain showers. Highs 60 to 65. .SATURDAY NIGHT...Mostly cloudy with a 20 percent chance of rain showers. Lows 35 to 40. .SUNDAY...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 60 to 65. Chance of precipitation 40 percent. $$ MTZ326-131000- Gallatin Valley- Including Bozeman and Gallatin Gateway 202 PM MDT Sun May 12 2024 .TONIGHT...Partly cloudy. Lows 45 to 50. Southeast winds 5 to 10 mph shifting to the south after midnight. .MONDAY...Sunny in the morning, then mostly cloudy with chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 70 to 75. Southwest winds 5 to 10 mph shifting to the west 10 to 20 mph in the afternoon. Chance of precipitation 50 percent. .MONDAY NIGHT...Mostly cloudy. Chance of thunderstorms in the evening, then slight chance of thunderstorms after midnight. Lows in the mid 40s. Southwest winds 5 to 15 mph. Chance of thunderstorms 50 percent. .TUESDAY...Mostly cloudy. Chance of rain showers in the morning, then rain showers likely and chance of thunderstorms in the afternoon. Highs 60 to 65. West winds 5 to 15 mph. Chance of precipitation 70 percent. .TUESDAY NIGHT...Mostly cloudy. Chance of thunderstorms in the evening, then slight chance of thunderstorms after midnight. Lows around 45. North winds 5 to 15 mph shifting to the southwest after midnight. Chance of thunderstorms 50 percent. .WEDNESDAY...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 65 to 70. Chance of precipitation 50 percent. .WEDNESDAY NIGHT...Partly cloudy. Lows around 45. .THURSDAY AND THURSDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers. Highs 70 to 75. Lows 45 to 50. .FRIDAY AND FRIDAY NIGHT...Partly cloudy with a 30 percent chance of rain showers. Highs around 70. Lows around 40. .SATURDAY...Partly cloudy with a 50 percent chance of rain showers. Highs 60 to 65. .SATURDAY NIGHT...Mostly cloudy with a 20 percent chance of rain showers. Lows 35 to 40. .SUNDAY...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 60 to 65. Chance of precipitation 40 percent. && TEMPERATURE / PRECIPITATION Bozeman Airport 45 74 43 65 / 10 40 40 70 Bozeman MSU 48 71 44 62 / 10 50 50 80 $$ MTZ330-131000- Gallatin and Madison County Mountains and Centennial Mountains- Including Big Sky, West Yellowstone, Targhee Pass, and Raynolds Pass 202 PM MDT Sun May 12 2024 .TONIGHT...Partly cloudy. Lows 40 to 45. West winds up to 10 mph. .MONDAY...Partly cloudy in the morning, then mostly cloudy with chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 55 to 65. West winds up to 10 mph increasing to 10 to 20 mph in the afternoon. Chance of precipitation 50 percent. .MONDAY NIGHT...Mostly cloudy. Chance of thunderstorms in the evening, then slight chance of thunderstorms and snow showers after midnight. Lows 35 to 40. West winds 5 to 15 mph. Chance of precipitation 50 percent. .TUESDAY...Mostly cloudy. Chance of rain showers and snow showers in the morning, then rain showers likely and chance of thunderstorms in the afternoon. Light snow accumulations. Snow level above 8000 feet. Highs 45 to 55. Northwest winds 5 to 15 mph. Chance of precipitation 70 percent. .TUESDAY NIGHT...Mostly cloudy. Chance of rain showers, snow showers and slight chance of thunderstorms in the evening. Lows 30 to 40. North winds 5 to 15 mph. Chance of precipitation 50 percent. .WEDNESDAY...Mostly cloudy with chance of rain showers, snow showers and slight chance of thunderstorms. Highs 50 to 60. Chance of precipitation 50 percent. .WEDNESDAY NIGHT...Partly cloudy. Lows 35 to 40. .THURSDAY THROUGH FRIDAY...Partly cloudy with a 20 percent chance of rain showers. Highs 55 to 65. Lows 35 to 45. .FRIDAY NIGHT...Colder. Partly cloudy with a 20 percent chance of rain showers and snow showers. Lows 30 to 35. .SATURDAY...Mostly cloudy with chance of rain showers and slight chance of snow showers. Highs 50 to 60. Chance of precipitation 50 percent. .SATURDAY NIGHT...Mostly cloudy with a 20 percent chance of rain showers and snow showers. Lows 30 to 35. .SUNDAY...Mostly cloudy with chance of rain showers, slight chance of thunderstorms and snow showers. Highs 50 to 60. Chance of precipitation 50 percent. && TEMPERATURE / PRECIPITATION West Yellowstone 37 64 35 57 / 10 70 60 70 $$ MTZ327-131000- Northwest Beaverhead County- Including Dewey, Wisdom, Wise River, Big Hole Pass, and Chief Joseph Pass 202 PM MDT Sun May 12 2024 .TONIGHT...Mostly clear. Lows around 40. West winds 5 to 15 mph. .MONDAY...Sunny in the morning, then mostly cloudy with chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 55 to 65. West winds 5 to 10 mph increasing to 10 to 20 mph in the afternoon. Chance of precipitation 50 percent. .MONDAY NIGHT...Partly cloudy with a 20 percent chance of thunderstorms in the evening, then mostly cloudy after midnight. Lows 35 to 40. Northwest winds 5 to 15 mph. .TUESDAY...Mostly cloudy. Chance of rain showers and snow showers in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 50 to 60. Northwest winds 5 to 15 mph. Chance of precipitation 50 percent. .TUESDAY NIGHT...Mostly cloudy. A 20 percent chance of thunderstorms in the evening. Lows 35 to 40. Northwest winds 10 to 15 mph decreasing to up to 10 mph after midnight. .WEDNESDAY...Mostly cloudy. Highs 55 to 65. .WEDNESDAY NIGHT...Partly cloudy. Lows 35 to 40. .THURSDAY...Partly cloudy with a 20 percent chance of rain showers. Highs 60 to 70. .THURSDAY NIGHT...Mostly clear. Lows around 40. .FRIDAY...Sunny with a 20 percent chance of rain showers. Highs 55 to 65. .FRIDAY NIGHT...Colder. Partly cloudy with a 20 percent chance of rain showers and snow showers. Lows 30 to 35. .SATURDAY...Partly cloudy with chance of rain showers and slight chance of snow showers. Highs 50 to 60. Chance of precipitation 50 percent. .SATURDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers and snow showers. Lows 30 to 35. .SUNDAY...Partly cloudy with chance of rain showers, slight chance of thunderstorms and snow showers. Highs 50 to 60. Chance of precipitation 40 percent. $$ MTZ328-131000- Beaverhead and Western Madison below 6000ft- Including Bannack, Dillon, Glen, and Waterloo 202 PM MDT Sun May 12 2024 .TONIGHT...Partly cloudy. Lows 45 to 50. West winds 5 to 15 mph. .MONDAY...Breezy. Sunny in the morning, then mostly cloudy with chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 65 to 75. Southwest winds 5 to 10 mph increasing to west 15 to 25 mph in the afternoon. Chance of precipitation 50 percent. .MONDAY NIGHT...Partly cloudy with a 20 percent chance of thunderstorms in the evening, then mostly cloudy after midnight. Lows 40 to 45. Northwest winds 10 to 15 mph with gusts to around 30 mph shifting to the west after midnight. .TUESDAY...Mostly cloudy. Chance of rain showers in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 60 to 65. West winds up to 10 mph shifting to the northwest in the afternoon. Chance of precipitation 50 percent. .TUESDAY NIGHT...Mostly cloudy. A 20 percent chance of thunderstorms in the evening. Lows around 40. North winds 10 to 15 mph decreasing to up to 10 mph after midnight. .WEDNESDAY...Partly cloudy with a 20 percent chance of thunderstorms. Highs 65 to 70. .WEDNESDAY NIGHT AND THURSDAY...Partly cloudy. Lows 40 to 45. Highs 70 to 75. .THURSDAY NIGHT...Mostly clear. Lows around 45. .FRIDAY AND FRIDAY NIGHT...Mostly clear. A 20 percent chance of rain showers. Highs 65 to 70. Lows around 40. .SATURDAY AND SATURDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers. Highs 60 to 65. Lows 35 to 40. .SUNDAY...Partly cloudy with a 20 percent chance of thunderstorms. Highs 60 to 65. && TEMPERATURE / PRECIPITATION Dillon 45 72 43 64 / 0 40 20 50 $$ MTZ329-131000- Ruby Mountains and Southern Beaverhead Mountains- Including Monida Pass 202 PM MDT Sun May 12 2024 .TONIGHT...Partly cloudy. Lows 40 to 45. Northwest winds 5 to 15 mph. .MONDAY...Breezy. Sunny in the morning, then mostly cloudy with chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 60 to 65. West winds 5 to 10 mph increasing to 15 to 25 mph in the afternoon. Chance of precipitation 50 percent. .MONDAY NIGHT...Mostly cloudy. A 40 percent chance of thunderstorms in the evening. Lows 35 to 40. Northwest winds 5 to 15 mph. .TUESDAY...Mostly cloudy. Chance of rain showers and snow showers in the morning, then rain showers likely and chance of thunderstorms in the afternoon. Highs 50 to 60. Northwest winds up to 10 mph increasing to 10 to 15 mph in the afternoon. Chance of precipitation 70 percent. .TUESDAY NIGHT...Partly cloudy with a 20 percent chance of thunderstorms in the evening, then mostly cloudy after midnight. Lows 35 to 40. North winds 5 to 15 mph. .WEDNESDAY...Mostly cloudy with a 20 percent chance of thunderstorms. Highs 55 to 65. .WEDNESDAY NIGHT...Partly cloudy. Lows 35 to 40. .THURSDAY AND THURSDAY NIGHT...Mostly clear. Highs 65 to 70. Lows 40 to 45. .FRIDAY AND FRIDAY NIGHT...Mostly clear. A 20 percent chance of rain showers. Highs 60 to 65. Lows 35 to 40. .SATURDAY...Partly cloudy with a 30 percent chance of rain showers. Highs 55 to 60. .SATURDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers. Lows around 35. .SUNDAY...Partly cloudy with chance of rain showers, slight chance of thunderstorms and snow showers. Highs 55 to 60. Chance of precipitation 30 percent. $$ http://www.weather.gov/greatfalls https://www.twitter.com/NWSGreatFalls https://www.facebook.com/NWSGreatFalls