Zone Forecast Product
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
539 FPUS55 KTFX 232304 ZFPTFX Zone Forecast Product for Central and Southwest Montana National Weather Service Great Falls MT 504 PM MDT Thu May 23 2024 Spot temperatures and probabilities of measurable precipitation are for tonight, Friday, Friday night, and Saturday. MTZ301-241000- East Glacier Park Region- Including East Glacier Park, Kiowa, Babb, Saint Mary, Marias Pass, and Logan Pass 504 PM MDT Thu May 23 2024 .TONIGHT...Mostly cloudy. Rain showers likely with possible snow showers and thunderstorms in the evening, then chance of rain showers, snow showers and slight chance of thunderstorms after midnight. Snow accumulation up to 2 inches. Snow level 6500 feet. Lows 35 to 40. Southwest winds 5 to 15 mph. Chance of precipitation 90 percent. .FRIDAY...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 45 to 55. West winds 10 to 15 mph. Chance of precipitation 50 percent. .FRIDAY NIGHT...Mostly cloudy. A 20 percent chance of thunderstorms in the evening. Lows 30 to 40. Southwest winds 5 to 15 mph. .SATURDAY...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 45 to 55. Southwest winds 5 to 15 mph. Chance of precipitation 50 percent. .SATURDAY NIGHT...Mostly cloudy. Chance of rain showers, snow showers and slight chance of thunderstorms in the evening, then slight chance of rain showers and snow showers after midnight. Lows 30 to 40. West winds 10 to 20 mph with gusts to around 35 mph. Chance of precipitation 50 percent. .SUNDAY...Breezy. Mostly cloudy. Highs 40 to 50. .SUNDAY NIGHT THROUGH MONDAY NIGHT...Breezy. Partly cloudy. Lows 35 to 45. Highs 50 to 60. .TUESDAY AND TUESDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers. Highs 60 to 70. Lows 40 to 45. .WEDNESDAY...Breezy. Partly cloudy with a 40 percent chance of rain showers. Highs 50 to 60. .WEDNESDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers and snow showers. Lows 35 to 40. .THURSDAY...Mostly cloudy with a 40 percent chance of rain showers and snow showers. Highs 45 to 55. $$ MTZ307-241000- Southern Rocky Mountain Front- Including Rogers Pass 504 PM MDT Thu May 23 2024 .TONIGHT...Mostly cloudy. Chance of rain showers, snow showers and slight chance of thunderstorms in the evening, then chance of rain showers and snow showers after midnight. Lows 30 to 35. West winds 5 to 15 mph. Chance of precipitation 50 percent. .FRIDAY...Mostly cloudy. Chance of rain showers and snow showers in the morning, then slight chance of thunderstorms in the afternoon. Highs 45 to 55. West winds 5 to 15 mph. Chance of precipitation 50 percent. .FRIDAY NIGHT...Mostly cloudy with a 20 percent chance of rain showers and snow showers. Lows 30 to 35. West winds up to 10 mph. .SATURDAY...Mostly cloudy. Chance of rain showers and snow showers in the morning, then rain showers and chance of thunderstorms in the afternoon. Snow level 7000 feet. Highs 45 to 55. West winds 5 to 15 mph. Chance of precipitation 90 percent. .SATURDAY NIGHT...Mostly cloudy. Snow showers likely with possible showers and thunderstorms in the evening, then chance of rain showers and snow showers after midnight. Snow level 7000 feet. Lows 30 to 35. West winds 10 to 20 mph with gusts to around 35 mph. Chance of precipitation 70 percent. .SUNDAY...Breezy. Mostly cloudy with a 20 percent chance of rain showers and snow showers. Highs 45 to 55. .SUNDAY NIGHT AND MEMORIAL DAY...Partly cloudy. Lows 30 to 40. Highs 55 to 65. .MONDAY NIGHT...Mostly clear. Lows 35 to 40. .TUESDAY...Partly cloudy with a 20 percent chance of thunderstorms. Highs 60 to 70. .TUESDAY NIGHT...Mostly cloudy with a 40 percent chance of rain showers. Lows 40 to 45. .WEDNESDAY...Mostly cloudy with a 50 percent chance of rain showers. Highs 55 to 65. .WEDNESDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers and snow showers. Lows 35 to 40. .THURSDAY...Mostly cloudy with chance of rain showers and slight chance of snow showers. Highs 50 to 60. Chance of precipitation 40 percent. $$ MTZ302-241000- Northern High Plains- Including Browning, Heart Butte, and Dupuyer 504 PM MDT Thu May 23 2024 .TONIGHT...Mostly cloudy. Rain showers likely and slight chance of thunderstorms in the evening, then chance of rain showers and slight chance of thunderstorms after midnight. Lows around 40. West winds 5 to 15 mph. Chance of precipitation 70 percent. .FRIDAY...Mostly cloudy. Chance of rain showers in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 55 to 60. West winds 10 to 20 mph. Chance of precipitation 50 percent. .FRIDAY NIGHT...Mostly cloudy. Lows 35 to 40. West winds 5 to 15 mph. .SATURDAY...Mostly cloudy. Slight chance of rain showers in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 55 to 60. West winds 5 to 15 mph. Chance of precipitation 50 percent. .SATURDAY NIGHT...Breezy. 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. West winds 15 to 25 mph. Chance of precipitation 50 percent. .SUNDAY AND SUNDAY NIGHT...Windy. Partly cloudy. Highs 55 to 60. Lows around 40. .MEMORIAL DAY...Warmer, sunny. Highs 65 to 70. .MONDAY NIGHT AND TUESDAY...Partly cloudy. Lows around 45. Highs 70 to 75. .TUESDAY NIGHT...Mostly cloudy with a 20 percent chance of rain showers. Lows 45 to 50. .WEDNESDAY AND WEDNESDAY NIGHT...Breezy. Partly cloudy with a 20 percent chance of rain showers. Highs 65 to 70. Lows 40 to 45. .THURSDAY...Breezy. Partly cloudy with a 20 percent chance of rain showers. Highs 60 to 65. $$ MTZ308-241000- Southern High Plains- Including Bynum, Choteau, and Pendroy 504 PM MDT Thu May 23 2024 .TONIGHT...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the evening, then slight chance of rain showers after midnight. Patchy fog after midnight. Lows around 40. Southwest winds 5 to 10 mph. Chance of precipitation 50 percent. .FRIDAY...Mostly cloudy. Slight chance of rain showers in the morning, then slight chance of thunderstorms in the afternoon. Highs around 60. West winds 5 to 15 mph. Chance of precipitation 20 percent. .FRIDAY NIGHT...Partly cloudy in the evening then becoming mostly cloudy. Lows around 40. West winds up to 10 mph. .SATURDAY...Mostly cloudy. Slight chance of rain showers in the morning, then rain showers likely and chance of thunderstorms in the afternoon. Highs around 60. West winds up to 10 mph. Chance of precipitation 70 percent. .SATURDAY NIGHT...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the evening, then slight chance of thunderstorms after midnight. Lows around 40. West winds 10 to 15 mph. Gusts up to 30 mph after midnight. Chance of precipitation 50 percent. .SUNDAY AND SUNDAY NIGHT...Breezy. Partly cloudy. Highs around 60. Lows around 40. .MEMORIAL DAY AND MONDAY NIGHT...Mostly clear. Highs around 70. Lows around 45. .TUESDAY...Partly cloudy. Highs 75 to 80. .TUESDAY NIGHT...Partly cloudy with a 20 percent chance of thunderstorms. Lows around 50. .WEDNESDAY...Mostly cloudy with a 40 percent chance of rain showers. Highs 70 to 75. .WEDNESDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers. Lows around 45. .THURSDAY...Partly cloudy with a 30 percent chance of rain showers. Highs around 65. $$ MTZ303-241000- Eastern Glacier, Western Toole, and Central Pondera- Including Cut Bank, Ethridge, and Santa Rita 504 PM MDT Thu May 23 2024 .TONIGHT...Mostly cloudy. Rain showers likely and slight chance of thunderstorms in the evening, then chance of rain showers and slight chance of thunderstorms after midnight. Patchy fog after midnight. Lows around 40. West winds 5 to 10 mph. Chance of precipitation 70 percent. .FRIDAY...Mostly cloudy. Patchy fog in the morning. Slight chance of rain showers in the morning, then chance of thunderstorms in the afternoon. Highs 55 to 60. West winds 5 to 15 mph. Chance of precipitation 50 percent. .FRIDAY NIGHT...Mostly cloudy in the evening then becoming partly cloudy. Lows 35 to 40. Northwest winds 5 to 10 mph shifting to the southwest after midnight. .SATURDAY...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 60 to 65. West winds 5 to 15 mph. Chance of precipitation 50 percent. .SATURDAY NIGHT...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the evening. Lows around 40. West winds 10 to 15 mph. Chance of precipitation 40 percent. .SUNDAY...Breezy. Partly cloudy. Highs 60 to 65. .SUNDAY NIGHT THROUGH MONDAY NIGHT...Mostly clear. Lows 40 to 45. Highs around 70. .TUESDAY...Partly cloudy. Highs 75 to 80. .TUESDAY NIGHT...Mostly cloudy with a 20 percent chance of rain showers. Lows 45 to 50. .WEDNESDAY AND WEDNESDAY NIGHT...Not as warm. Partly cloudy with a 20 percent chance of rain showers. Highs around 70. Lows 40 to 45. .THURSDAY...Partly cloudy with a 20 percent chance of rain showers. Highs 60 to 65. && TEMPERATURE / PRECIPITATION Cut Bank 39 60 37 62 / 70 50 10 40 $$ MTZ304-241000- Eastern Toole and Liberty- Including Devon, Shelby, Chester, Galata, Joplin, Lothair, and Whitlash 504 PM MDT Thu May 23 2024 .TONIGHT...Mostly cloudy. Rain showers likely and slight chance of thunderstorms in the evening, then chance of rain showers and slight chance of thunderstorms after midnight. Patchy fog after midnight. Lows around 40. West winds 5 to 10 mph. Chance of precipitation 70 percent. .FRIDAY...Mostly cloudy. Areas of fog in the morning. Slight chance of rain showers in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 55 to 60. West winds up to 10 mph. Chance of precipitation 50 percent. .FRIDAY NIGHT...Partly cloudy. Lows around 40. Northwest winds up to 10 mph shifting to the south after midnight. .SATURDAY...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 60 to 65. Southwest winds up to 10 mph. Chance of precipitation 50 percent. .SATURDAY NIGHT...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the evening, then slight chance of rain showers after midnight. Lows 40 to 45. Northwest winds 5 to 15 mph. Chance of precipitation 50 percent. .SUNDAY...Partly cloudy with a 20 percent chance of rain showers. Highs 60 to 65. .SUNDAY NIGHT AND MEMORIAL DAY...Mostly clear. Lows around 40. Highs 65 to 75. .MONDAY NIGHT AND TUESDAY...Mostly clear. Lows around 45. Highs 75 to 80. .TUESDAY NIGHT...Partly cloudy with a 20 percent chance of thunderstorms. Lows around 50. .WEDNESDAY AND WEDNESDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers. Highs 70 to 75. Lows around 45. .THURSDAY...Partly cloudy with a 30 percent chance of rain showers. Highs 65 to 70. $$ MTZ305-241000- Hill County- Including Havre 504 PM MDT Thu May 23 2024 .TONIGHT...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Patchy fog after midnight. Lows 40 to 45. West winds 5 to 10 mph. Chance of precipitation 50 percent. .FRIDAY...Mostly cloudy. Areas of fog in the morning. Slight chance of rain showers in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs around 60. West winds up to 10 mph. Chance of precipitation 50 percent. .FRIDAY NIGHT...Partly cloudy. Lows around 40. Northwest winds up to 10 mph shifting to the southeast after midnight. .SATURDAY...Partly cloudy in the morning, then mostly cloudy with chance of rain showers and slight chance of thunderstorms in the afternoon. Highs around 65. Southeast winds up to 5 mph shifting to the southwest in the afternoon. Chance of precipitation 50 percent. .SATURDAY 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. North winds 5 to 10 mph shifting to the northwest after midnight. Chance of precipitation 50 percent. .SUNDAY...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs around 65. Chance of precipitation 30 percent. .SUNDAY NIGHT THROUGH MONDAY NIGHT...Mostly clear. Lows 40 to 45. Highs around 70. .TUESDAY...Sunny. Highs around 80. .TUESDAY NIGHT...Partly cloudy with a 20 percent chance of thunderstorms. Lows 50 to 55. .WEDNESDAY...Partly cloudy with a 20 percent chance of rain showers. Highs around 75. .WEDNESDAY NIGHT AND THURSDAY...Partly cloudy with a 30 percent chance of rain showers. Lows around 50. Highs 65 to 70. && TEMPERATURE / PRECIPITATION Havre 42 63 39 69 / 60 60 10 50 $$ MTZ306-241000- Northern Blaine County- Including Chinook, Zurich, Harlem, Hogeland, and Fort Belknap 504 PM MDT Thu May 23 2024 .TONIGHT...Mostly cloudy. Slight chance of rain showers in the evening, then chance of rain showers after midnight. Patchy fog after midnight. Lows around 40. Northwest winds 5 to 10 mph shifting to the south after midnight. Chance of showers 50 percent. .FRIDAY...Mostly cloudy. Patchy fog in the morning. Chance of rain showers in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 55 to 60. West winds 5 to 15 mph. Chance of precipitation 50 percent. .FRIDAY NIGHT...Mostly cloudy with a 20 percent chance of rain showers in the evening, then partly cloudy after midnight. Lows 35 to 40. Northwest winds 5 to 10 mph shifting to the east after midnight. .SATURDAY...Partly cloudy in the morning, then mostly cloudy with chance of rain showers and slight chance of thunderstorms in the afternoon. Highs around 65. Southeast winds up to 10 mph shifting to the south in the afternoon. Chance of precipitation 50 percent. .SATURDAY NIGHT...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the evening, then chance of rain showers after midnight. Lows 40 to 45. Northeast winds 5 to 10 mph. Chance of precipitation 50 percent. .SUNDAY...Mostly cloudy with a 40 percent chance of rain showers. Highs around 65. .SUNDAY NIGHT...Partly cloudy. Lows 40 to 45. .MEMORIAL DAY AND MONDAY NIGHT...Mostly clear. Highs around 70. Lows around 45. .TUESDAY...Sunny. Highs around 80. .TUESDAY NIGHT AND WEDNESDAY...Partly cloudy with a 20 percent chance of rain showers. Lows 50 to 55. Highs 75 to 80. .WEDNESDAY NIGHT...Mostly cloudy with a 40 percent chance of rain showers. Lows around 50. .THURSDAY...Partly cloudy with a 20 percent chance of rain showers. Highs around 70. $$ MTZ309-241000- Eastern Pondera and Eastern Teton- Including Brady, Conrad, and Ledger 504 PM MDT Thu May 23 2024 .TONIGHT...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the evening, then slight chance of thunderstorms after midnight. Patchy fog through the night. Lows around 40. Southwest winds 5 to 10 mph. Chance of precipitation 50 percent. .FRIDAY...Mostly cloudy. Patchy fog in the morning. Chance of rain showers in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs around 60. West winds 5 to 15 mph. Chance of precipitation 50 percent. .FRIDAY NIGHT...Partly cloudy in the evening then becoming mostly cloudy. Lows 35 to 40. North winds up to 10 mph shifting to the southwest after midnight. .SATURDAY...Mostly cloudy. Slight chance of rain showers in the morning, then rain showers likely and slight chance of thunderstorms in the afternoon. Highs 60 to 65. West winds up to 10 mph. Chance of precipitation 60 percent. .SATURDAY NIGHT...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the evening, then slight chance of thunderstorms after midnight. Lows around 40. West winds 5 to 15 mph. Chance of precipitation 50 percent. .SUNDAY...Partly cloudy. Highs 60 to 65. .SUNDAY NIGHT THROUGH MONDAY NIGHT...Mostly clear. Lows 40 to 45. Highs 70 to 75. .TUESDAY...Sunny. Highs around 80. .TUESDAY NIGHT...Partly cloudy with a 20 percent chance of thunderstorms. Lows 45 to 50. .WEDNESDAY AND WEDNESDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers. Highs around 75. Lows around 45. .THURSDAY...Partly cloudy with a 30 percent chance of rain showers. Highs 65 to 70. $$ MTZ310-241000- Western and Central Chouteau County- Including Floweree, Carter, and Fort Benton 504 PM MDT Thu May 23 2024 .TONIGHT...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the evening, then chance of rain showers after midnight. Patchy fog after midnight. Lows 40 to 45. Southwest winds 5 to 10 mph. Chance of precipitation 50 percent. .FRIDAY...Mostly cloudy. Patchy fog in the morning. Chance of rain showers in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 60 to 65. West winds 5 to 15 mph. Chance of precipitation 50 percent. .FRIDAY NIGHT...Partly cloudy. Lows around 40. Northwest winds up to 10 mph shifting to the south after midnight. .SATURDAY...Mostly cloudy. Slight chance of rain showers in the morning, then rain showers likely and slight chance of thunderstorms in the afternoon. Highs 65 to 70. Southwest winds up to 5 mph shifting to the west in the afternoon. Chance of precipitation 70 percent. .SATURDAY NIGHT...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Lows 40 to 45. West winds 5 to 15 mph. Chance of precipitation 50 percent. .SUNDAY...Partly cloudy with a 20 percent chance of rain showers. Highs around 65. .SUNDAY NIGHT THROUGH MONDAY NIGHT...Mostly clear. Lows 40 to 50. Highs 70 to 75. .TUESDAY...Sunny. Highs around 80. .TUESDAY NIGHT...Partly cloudy with a 20 percent chance of thunderstorms. Lows 50 to 55. .WEDNESDAY AND WEDNESDAY NIGHT...Partly cloudy with a 40 percent chance of rain showers. Highs around 75. Lows 45 to 50. .THURSDAY...Partly cloudy with a 40 percent chance of rain showers. Highs around 70. $$ MTZ311-241000- Bears Paw Mountains and Southern Blaine- Including Rocky Boy 504 PM MDT Thu May 23 2024 .TONIGHT...Mostly cloudy. Slight chance of rain showers in the evening, then chance of rain showers after midnight. Patchy fog after midnight. Lows around 40. West winds 5 to 10 mph shifting to the southwest after midnight. Chance of showers 50 percent. .FRIDAY...Mostly cloudy. Patchy fog in the morning. Slight chance of rain showers in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 55 to 60. West winds 5 to 15 mph. Chance of precipitation 50 percent. .FRIDAY NIGHT...Partly cloudy. A 20 percent chance of thunderstorms in the evening. Lows around 40. West winds up to 10 mph shifting to the south after midnight. .SATURDAY...Partly cloudy in the morning, then mostly cloudy with rain showers likely and slight chance of thunderstorms in the afternoon. Highs 60 to 65. South winds up to 10 mph. Chance of precipitation 60 percent. .SATURDAY NIGHT...Mostly cloudy. Chance of thunderstorms in the evening, then chance of rain showers after midnight. Lows 40 to 45. East winds 5 to 10 mph shifting to the west after midnight. Chance of precipitation 50 percent. .SUNDAY...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 60 to 65. Chance of precipitation 40 percent. .SUNDAY NIGHT THROUGH MONDAY NIGHT...Mostly clear. Lows 40 to 50. Highs 65 to 70. .TUESDAY...Warmer, sunny. Highs 75 to 80. .TUESDAY NIGHT...Partly cloudy with a 20 percent chance of thunderstorms. Lows 50 to 55. .WEDNESDAY...Partly cloudy with a 30 percent chance of rain showers. Highs 70 to 80. .WEDNESDAY NIGHT...Mostly cloudy with a 20 percent chance of rain showers. Lows 45 to 50. .THURSDAY...Partly cloudy with a 30 percent chance of rain showers. Highs 65 to 70. $$ MTZ312-241000- Cascade County below 5000ft- Including Great Falls 504 PM MDT Thu May 23 2024 .TONIGHT...Partly cloudy in the evening then becoming mostly cloudy. A 20 percent chance of rain showers. Lows 35 to 40. Southwest winds 5 to 15 mph. .FRIDAY...Mostly cloudy. Slight chance of rain showers in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 60 to 65. West winds 10 to 15 mph. Chance of precipitation 50 percent. .FRIDAY NIGHT...Partly cloudy in the evening then becoming mostly cloudy. Lows around 40. West winds 5 to 10 mph shifting to the south after midnight. .SATURDAY...Mostly cloudy. Slight chance of rain showers in the morning, then rain showers likely and slight chance of thunderstorms in the afternoon. Highs 60 to 65. Southwest winds up to 10 mph shifting to the west in the afternoon. Chance of precipitation 70 percent. .SATURDAY NIGHT...Mostly cloudy. Chance of thunderstorms in the evening, then chance of rain showers and slight chance of thunderstorms after midnight. Lows around 40. West winds 5 to 15 mph. Chance of precipitation 50 percent. .SUNDAY...Breezy. Mostly cloudy with a 20 percent chance of rain showers. Highs 60 to 65. .SUNDAY NIGHT THROUGH TUESDAY...Mostly clear. Lows 40 to 45. Highs 70 to 80. .TUESDAY NIGHT...Partly cloudy with a 20 percent chance of thunderstorms. Lows around 50. .WEDNESDAY...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs around 75. Chance of precipitation 40 percent. .WEDNESDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers. Lows 45 to 50. .THURSDAY...Partly cloudy with a 40 percent chance of rain showers. Highs 65 to 70. && TEMPERATURE / PRECIPITATION Great Falls Arpt 39 63 40 65 / 30 30 10 60 $$ MTZ313-241000- Judith Basin County and Judith Gap- Including Raynesford, Geyser, Stanford, Windham, Benchland, Hobson, and Moccasin 504 PM MDT Thu May 23 2024 .TONIGHT...Colder. Partly cloudy in the evening then becoming mostly cloudy. A 20 percent chance of rain showers. Lows 30 to 35. Southwest winds 5 to 15 mph. .FRIDAY...Mostly cloudy. Slight chance of rain showers in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs around 60. West winds 5 to 15 mph. Chance of precipitation 50 percent. .FRIDAY NIGHT...Partly cloudy. A 20 percent chance of thunderstorms in the evening. Lows 35 to 40. Northwest winds 5 to 10 mph shifting to the southwest after midnight. .SATURDAY...Mostly cloudy. Slight chance of rain showers in the morning, then rain showers and chance of thunderstorms in the afternoon. Highs around 60. Southwest winds up to 5 mph shifting to the northeast in the afternoon. Chance of precipitation 80 percent. .SATURDAY 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 around 40. West winds 5 to 15 mph. Chance of precipitation 70 percent. .SUNDAY...Mostly cloudy with a 40 percent chance of rain showers. Highs 55 to 60. .SUNDAY NIGHT AND MEMORIAL DAY...Mostly clear. Lows around 40. Highs 65 to 70. .MONDAY NIGHT...Mostly clear. Lows around 45. .TUESDAY...Sunny with a 20 percent chance of thunderstorms. Highs around 75. .TUESDAY NIGHT...Partly cloudy with a 20 percent chance of thunderstorms. Lows around 50. .WEDNESDAY...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 70 to 75. Chance of precipitation 50 percent. .WEDNESDAY NIGHT...Mostly cloudy with a 50 percent chance of rain showers. Lows around 45. .THURSDAY...Partly cloudy with a 40 percent chance of rain showers. Highs around 65. $$ MTZ314-241000- Fergus County below 4500ft- Including Hilger and Lewistown 504 PM MDT Thu May 23 2024 .TONIGHT...Colder. Partly cloudy in the evening, then mostly cloudy with a 20 percent chance of rain showers after midnight. Lows 35 to 40. West winds 5 to 15 mph shifting to the southwest 5 to 10 mph after midnight. .FRIDAY...Mostly cloudy. Slight chance of rain showers in the morning, then chance of thunderstorms in the afternoon. Highs 60 to 65. West winds 5 to 15 mph. Chance of precipitation 50 percent. .FRIDAY NIGHT...Partly cloudy. Lows around 40. Northwest winds 5 to 10 mph shifting to the southwest after midnight. .SATURDAY...Mostly cloudy. Rain showers likely and chance of thunderstorms in the afternoon. Highs 60 to 65. Southeast winds up to 10 mph. Chance of precipitation 70 percent. .SATURDAY NIGHT...Mostly cloudy. Rain showers likely and chance of thunderstorms in the evening, then chance of rain showers and slight chance of thunderstorms after midnight. Lows 40 to 45. Southwest winds 5 to 10 mph shifting to the west 5 to 15 mph after midnight. Chance of precipitation 70 percent. .SUNDAY...Mostly cloudy with a 40 percent chance of rain showers. Highs 60 to 65. .SUNDAY NIGHT THROUGH MONDAY NIGHT...Mostly clear. Lows 40 to 50. Highs around 70. .TUESDAY...Sunny. Highs 75 to 80. .TUESDAY NIGHT...Partly cloudy with a 20 percent chance of thunderstorms. Lows 50 to 55. .WEDNESDAY...Partly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 75 to 80. Chance of precipitation 50 percent. .WEDNESDAY NIGHT...Mostly cloudy with a 20 percent chance of rain showers. Lows 45 to 50. .THURSDAY...Partly cloudy with a 20 percent chance of rain showers. Highs 65 to 70. && TEMPERATURE / PRECIPITATION Lewistown 33 60 37 62 / 10 40 10 80 $$ MTZ315-241000- Upper Blackfoot and MacDonald Pass- Including Marysville, Lincoln, Flesher Pass, and MacDonald Pass 504 PM MDT Thu May 23 2024 .TONIGHT...Partly cloudy with a 20 percent chance of thunderstorms in the evening, then mostly cloudy after midnight. Patchy fog after midnight. Lows 30 to 35. Southwest winds 5 to 15 mph. .FRIDAY...Mostly cloudy. Patchy fog in the morning. A 20 percent chance of thunderstorms in the afternoon. Highs 50 to 55. West winds 5 to 15 mph. .FRIDAY NIGHT...Partly cloudy in the evening then becoming mostly cloudy. A 20 percent chance of rain showers. Lows 35 to 40. West winds up to 10 mph. .SATURDAY...Mostly cloudy. Chance of rain showers in the morning, then rain showers and chance of thunderstorms in the afternoon. Highs 50 to 55. West winds up to 10 mph. Chance of precipitation 90 percent. .SATURDAY NIGHT...Mostly cloudy. Chance of rain showers with possible snow showers and thunderstorms likely in the evening, then chance of rain showers and snow showers after midnight. Lows 30 to 35. West winds 10 to 15 mph. Gusts up to 30 mph after midnight. Chance of precipitation 60 percent. .SUNDAY...Mostly cloudy with a 20 percent chance of rain showers and snow showers. Highs 50 to 55. .SUNDAY NIGHT THROUGH MONDAY NIGHT...Mostly clear. Lows 35 to 45. Highs 60 to 65. .TUESDAY...Warmer. Sunny with a 20 percent chance of thunderstorms. Highs 65 to 75. .TUESDAY NIGHT...Partly cloudy with a 20 percent chance of thunderstorms. Lows 45 to 50. .WEDNESDAY...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 60 to 70. Chance of precipitation 50 percent. .WEDNESDAY NIGHT AND THURSDAY...Partly cloudy with a 20 percent chance of rain showers. Lows 40 to 45. Highs 55 to 65. $$ MTZ316-241000- Gates of the Mountains- Including Canyon Creek, Wolf Creek, and Craig 504 PM MDT Thu May 23 2024 .TONIGHT...Partly cloudy with a 20 percent chance of thunderstorms in the evening, then mostly cloudy after midnight. Lows 35 to 40. Southwest winds 5 to 15 mph. .FRIDAY...Patchy fog in the morning. Mostly cloudy in the morning, then partly cloudy with a 20 percent chance of thunderstorms in the afternoon. Highs 55 to 60. Southwest winds 5 to 15 mph. .FRIDAY NIGHT...Partly cloudy in the evening, then mostly cloudy with a 20 percent chance of rain showers after midnight. Lows around 40. Southwest winds up to 10 mph. .SATURDAY...Mostly cloudy. Slight chance of rain showers in the morning, then rain showers and chance of thunderstorms in the afternoon. Highs 55 to 60. Southwest winds up to 10 mph. Chance of precipitation 80 percent. .SATURDAY NIGHT...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Lows 35 to 40. West winds 5 to 15 mph. Chance of precipitation 50 percent. .SUNDAY...Mostly cloudy with a 20 percent chance of rain showers. Highs 55 to 60. .SUNDAY NIGHT THROUGH MONDAY NIGHT...Mostly clear. Lows 40 to 45. Highs 65 to 70. .TUESDAY...Warmer. Sunny with a 20 percent chance of thunderstorms. Highs 75 to 80. .TUESDAY NIGHT...Partly cloudy with a 20 percent chance of thunderstorms. Lows around 50. .WEDNESDAY...Partly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 70 to 75. Chance of precipitation 40 percent. .WEDNESDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers. Lows around 45. .THURSDAY...Partly cloudy with a 40 percent chance of rain showers. Highs 65 to 70. $$ MTZ317-241000- Little Belt and Highwood Mountains- Including Monarch, Neihart, and Kings Hill Pass 504 PM MDT Thu May 23 2024 .TONIGHT...Colder. Partly cloudy with a 20 percent chance of rain showers and snow showers. Patchy fog after midnight. Lows 25 to 35. Southwest winds 5 to 15 mph. .FRIDAY...Mostly cloudy. Slight 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 55. West winds 5 to 15 mph. Chance of precipitation 50 percent. .FRIDAY NIGHT...Partly cloudy with a 20 percent chance of thunderstorms in the evening, then mostly cloudy after midnight. Lows 30 to 40. West winds up to 10 mph shifting to the south after midnight. .SATURDAY...Mostly cloudy. Chance of rain showers in the morning, then rain showers and chance of thunderstorms in the afternoon. Highs 50 to 55. Southwest winds up to 10 mph. Chance of precipitation 90 percent. .SATURDAY NIGHT...Mostly cloudy. Rain showers likely and chance of thunderstorms in the evening, then chance of rain showers, snow showers and slight chance of thunderstorms after midnight. Lows 30 to 35. West winds 5 to 15 mph. Chance of precipitation 70 percent. .SUNDAY...Mostly cloudy with chance of snow showers and slight chance of rain showers. Highs 50 to 55. Chance of precipitation 40 percent. .SUNDAY NIGHT THROUGH MONDAY NIGHT...Mostly clear. Lows 35 to 45. Highs 60 to 65. .TUESDAY...Warmer. Sunny with a 20 percent chance of thunderstorms. Highs 65 to 75. .TUESDAY NIGHT...Partly cloudy with chance of rain showers and slight chance of thunderstorms. Lows 45 to 50. Chance of precipitation 30 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 40 percent chance of rain showers. Lows 40 to 45. .THURSDAY...Partly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 55 to 65. Chance of precipitation 50 percent. $$ MTZ318-241000- Snowy and Judith Mountains- 504 PM MDT Thu May 23 2024 .TONIGHT...Partly cloudy. Lows 30 to 35. West winds 5 to 15 mph. .FRIDAY...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 50 to 55. West winds 5 to 15 mph. Chance of precipitation 40 percent. .FRIDAY NIGHT...Partly cloudy. A 20 percent chance of thunderstorms in the evening. Lows 35 to 40. Northwest winds 5 to 10 mph shifting to the south after midnight. .SATURDAY...Mostly cloudy. Slight chance of rain showers in the morning, then rain showers and chance of thunderstorms in the afternoon. Highs 55 to 60. South winds up to 10 mph. Chance of precipitation 90 percent. .SATURDAY NIGHT...Mostly cloudy. Rain showers likely and chance of thunderstorms in the evening, then chance of rain showers and slight chance of thunderstorms after midnight. Lows 35 to 40. South winds 5 to 10 mph shifting to the west 5 to 15 mph after midnight. Chance of precipitation 70 percent. .SUNDAY...Mostly cloudy with a 40 percent chance of rain showers. Highs 50 to 55. .SUNDAY NIGHT THROUGH MONDAY NIGHT...Mostly clear. Lows 35 to 45. Highs 60 to 65. .TUESDAY...Warmer, sunny. Highs 70 to 75. .TUESDAY NIGHT...Partly cloudy with a 20 percent chance of thunderstorms. Lows 45 to 50. .WEDNESDAY...Partly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 65 to 70. Chance of precipitation 50 percent. .WEDNESDAY NIGHT...Mostly cloudy with a 20 percent chance of rain showers. Lows around 45. .THURSDAY...Partly cloudy with a 40 percent chance of rain showers. Highs 60 to 65. $$ MTZ319-241000- Helena Valley- Including Helena 504 PM MDT Thu May 23 2024 .TONIGHT...Partly cloudy. Patchy fog after midnight. Lows in the mid 30s. Southwest winds 5 to 10 mph. .FRIDAY...Partly cloudy. Areas of fog in the morning. A 20 percent chance of thunderstorms in the afternoon. Highs 60 to 65. South winds 5 to 10 mph shifting to the west in the afternoon. .FRIDAY NIGHT...Partly cloudy in the evening, then mostly cloudy with a 20 percent chance of rain showers after midnight. Lows around 40. Southwest winds up to 10 mph. .SATURDAY...Mostly cloudy. Slight chance of rain showers in the morning, then rain showers likely and chance of thunderstorms in the afternoon. Highs 60 to 65. South winds up to 5 mph shifting to the west in the afternoon. Chance of precipitation 70 percent. .SATURDAY NIGHT...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the evening, then chance of rain showers after midnight. Lows 35 to 40. West winds 5 to 15 mph. Chance of precipitation 50 percent. .SUNDAY...Mostly cloudy. Highs 60 to 65. .SUNDAY NIGHT AND MEMORIAL DAY...Mostly clear. Lows around 40. Highs around 75. .MONDAY NIGHT AND TUESDAY...Mostly clear. Lows around 45. Highs around 80. .TUESDAY NIGHT...Partly cloudy with a 20 percent chance of thunderstorms. Lows around 50. .WEDNESDAY...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs around 75. Chance of precipitation 40 percent. .WEDNESDAY NIGHT AND THURSDAY...Partly cloudy with a 20 percent chance of rain showers. Lows around 45. Highs around 70. && TEMPERATURE / PRECIPITATION Helena 37 65 42 64 / 10 20 10 70 $$ MTZ320-241000- Big Belt, Bridger and Castle Mountains- Including Trident, Maudlow, Battle Ridge Pass, Bozeman Pass, and Deep Creek Pass 504 PM MDT Thu May 23 2024 .TONIGHT...Colder. Partly cloudy. Patchy fog after midnight. Lows 25 to 30. Southwest winds 5 to 15 mph. .FRIDAY...Partly cloudy. Patchy fog in the morning. A 20 percent chance of thunderstorms in the afternoon. Highs 45 to 55. West winds 5 to 15 mph. .FRIDAY NIGHT...Partly cloudy with slight chance of thunderstorms in the evening, then mostly cloudy with slight chance of rain showers after midnight. Lows 35 to 40. West winds 5 to 10 mph shifting to the south after midnight. Chance of precipitation 20 percent. .SATURDAY...Mostly cloudy. Slight chance of rain showers in the morning, then rain showers and chance of thunderstorms in the afternoon. Highs 50 to 60. Southwest winds up to 10 mph. Chance of precipitation 90 percent. .SATURDAY NIGHT...Mostly cloudy. Rain showers likely and chance of thunderstorms in the evening, then chance of rain showers, snow showers and slight chance of thunderstorms after midnight. Light snow accumulations. Lows 30 to 35. West winds 5 to 15 mph. Chance of precipitation 70 percent. .SUNDAY...Mostly cloudy with chance of snow showers and slight chance of rain showers. Highs 45 to 55. Chance of precipitation 40 percent. .SUNDAY NIGHT THROUGH MONDAY NIGHT...Warmer. Mostly clear. Lows 35 to 45. Highs 60 to 65. .TUESDAY...Warmer. Sunny with a 20 percent chance of thunderstorms. Highs 65 to 75. .TUESDAY NIGHT...Partly cloudy with a 20 percent chance of thunderstorms. Lows 45 to 50. .WEDNESDAY...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 65 to 70. Chance of precipitation 50 percent. .WEDNESDAY NIGHT...Partly cloudy with a 40 percent chance of rain showers. Lows 40 to 45. .THURSDAY...Partly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 55 to 65. Chance of precipitation 40 percent. $$ MTZ321-241000- Meagher County Valleys- Including Martinsdale, Checkerboard, Ringling, and White Sulphur Springs 504 PM MDT Thu May 23 2024 .TONIGHT...Colder. Partly cloudy. Patchy fog after midnight. Lows 25 to 30. Southwest winds 5 to 15 mph. .FRIDAY...Partly cloudy. Patchy fog in the morning. A 20 percent chance of thunderstorms in the afternoon. Highs 55 to 60. West winds 5 to 15 mph. Gusts up to 30 mph in the afternoon. .FRIDAY NIGHT...Partly cloudy with slight chance of thunderstorms in the evening, then mostly cloudy with slight chance of rain showers after midnight. Lows in the mid 30s. West winds 5 to 10 mph shifting to the south after midnight. Chance of precipitation 20 percent. .SATURDAY...Mostly cloudy. Slight chance of rain showers in the morning, then rain showers and chance of thunderstorms in the afternoon. Highs 55 to 60. Southwest winds up to 10 mph. Chance of precipitation 80 percent. .SATURDAY 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 around 35. West winds 5 to 15 mph. Chance of precipitation 70 percent. .SUNDAY...Mostly cloudy with a 20 percent chance of rain showers. Highs around 55. .SUNDAY NIGHT AND MEMORIAL DAY...Mostly clear. Lows around 35. Highs around 65. .MONDAY NIGHT...Mostly clear. Lows around 40. .TUESDAY...Sunny with a 20 percent chance of thunderstorms. Highs around 75. .TUESDAY NIGHT...Partly cloudy with a 20 percent chance of thunderstorms. Lows around 45. .WEDNESDAY...Partly cloudy with chance of rain showers and slight chance of thunderstorms. Highs around 70. Chance of precipitation 50 percent. .WEDNESDAY NIGHT...Mostly cloudy with a 40 percent chance of rain showers. Lows 40 to 45. .THURSDAY...Partly cloudy with chance of rain showers and slight chance of thunderstorms. Highs around 65. Chance of precipitation 40 percent. $$ MTZ322-241000- Elkhorn and Boulder Mountains- Including Montana City, Clancy, Boulder, Corbin, Wickes, Elk Park Pass, and Homestake Pass 504 PM MDT Thu May 23 2024 .TONIGHT...Partly cloudy. Patchy fog. Lows 25 to 30. West winds 5 to 10 mph. .FRIDAY...Partly cloudy. A 20 percent chance of thunderstorms in the afternoon. Highs 45 to 55. West winds 5 to 15 mph. .FRIDAY NIGHT...Mostly cloudy. Chance of snow showers and slight chance of thunderstorms in the evening, then slight chance of rain showers and snow showers after midnight. Lows 30 to 40. West winds up to 10 mph. Chance of precipitation 30 percent. .SATURDAY...Mostly cloudy. Chance of rain showers and snow showers in the morning, then rain showers and chance of thunderstorms in the afternoon. Highs 45 to 55. Southwest winds up to 10 mph. Chance of precipitation 90 percent. .SATURDAY NIGHT...Mostly cloudy. Rain showers, snow showers likely and slight chance of thunderstorms in the evening, then chance of rain showers and snow showers after midnight. Light snow accumulations. Snow level 7000 feet. Lows 30 to 35. Northwest winds 5 to 15 mph. Chance of precipitation 70 percent. .SUNDAY...Mostly cloudy with a 20 percent chance of rain showers and snow showers. Highs 50 to 60. .SUNDAY NIGHT AND MEMORIAL DAY...Mostly clear. Lows 30 to 40. Highs 60 to 70. .MONDAY NIGHT...Mostly clear. Lows 40 to 45. .TUESDAY...Sunny with a 20 percent chance of thunderstorms. Highs 65 to 75. .TUESDAY NIGHT...Partly cloudy with a 20 percent chance of thunderstorms. Lows 40 to 50. .WEDNESDAY...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 60 to 70. Chance of precipitation 50 percent. .WEDNESDAY NIGHT...Partly cloudy with a 30 percent chance of rain showers. Lows 40 to 45. .THURSDAY...Partly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 55 to 65. Chance of precipitation 40 percent. $$ MTZ323-241000- Canyon Ferry Area- Including Toston, Townsend, and Winston 504 PM MDT Thu May 23 2024 .TONIGHT...Partly cloudy. Patchy fog after midnight. Lows 30 to 35. Southwest winds 5 to 15 mph shifting to the south 5 to 10 mph after midnight. .FRIDAY...Partly cloudy. Patchy fog in the morning. A 20 percent chance of thunderstorms in the afternoon. Highs around 60. South winds 5 to 10 mph shifting to the northwest 5 to 15 mph in the afternoon. .FRIDAY 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. Northwest winds 5 to 10 mph shifting to the south after midnight. Chance of precipitation 20 percent. .SATURDAY...Mostly cloudy. Slight chance of rain showers in the morning, then rain showers likely and chance of thunderstorms in the afternoon. Highs around 60. South winds up to 5 mph shifting to the southwest in the afternoon. Chance of precipitation 70 percent. .SATURDAY NIGHT...Mostly cloudy. Rain showers likely and slight chance of thunderstorms in the evening, then chance of rain showers after midnight. Lows 35 to 40. West winds 5 to 15 mph. Chance of precipitation 70 percent. .SUNDAY...Mostly cloudy with a 20 percent chance of rain showers. Highs 60 to 65. .SUNDAY NIGHT AND MEMORIAL DAY...Mostly clear. Lows around 40. Highs around 70. .MONDAY NIGHT AND TUESDAY...Mostly clear. Lows around 45. Highs 75 to 80. .TUESDAY NIGHT...Partly cloudy with a 20 percent chance of thunderstorms. Lows 45 to 50. .WEDNESDAY...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 70 to 75. Chance of precipitation 40 percent. .WEDNESDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers. Lows 45 to 50. .THURSDAY...Partly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 65 to 70. Chance of precipitation 30 percent. $$ MTZ324-241000- Missouri Headwaters- Including Harrison, Three Forks, Willow Creek, Pony, and Whitehall 504 PM MDT Thu May 23 2024 .TONIGHT...Mostly clear. Patchy fog after midnight. Lows around 30. Southwest winds 5 to 10 mph. .FRIDAY...Warmer. Partly cloudy. Patchy fog in the morning. Highs 60 to 65. West winds 5 to 15 mph. .FRIDAY NIGHT...Mostly cloudy. A 20 percent chance of thunderstorms in the evening. Lows 35 to 40. Northwest winds 5 to 10 mph shifting to the southwest after midnight. .SATURDAY...Mostly cloudy. Slight chance of rain showers in the morning, then rain showers likely and chance of thunderstorms in the afternoon. Highs around 60. Southwest winds up to 10 mph. Chance of precipitation 70 percent. .SATURDAY NIGHT...Mostly cloudy. Rain showers likely and chance of thunderstorms in the evening, then chance of rain showers after midnight. Lows around 35. West winds 5 to 15 mph. Chance of precipitation 70 percent. .SUNDAY...Mostly cloudy with a 20 percent chance of rain showers. Highs 60 to 65. .SUNDAY NIGHT AND MEMORIAL DAY...Mostly clear. Lows 35 to 40. Highs 70 to 75. .MONDAY NIGHT AND TUESDAY...Mostly clear. Lows around 45. Highs 75 to 80. .TUESDAY NIGHT...Partly cloudy with a 20 percent chance of thunderstorms. Lows 45 to 50. .WEDNESDAY...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs around 75. Chance of precipitation 40 percent. .WEDNESDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers. Lows around 45. .THURSDAY...Partly cloudy with chance of rain showers and slight chance of thunderstorms. Highs around 70. Chance of precipitation 30 percent. $$ MTZ325-241000- Madison River Valley- Including Cameron, Ennis, Jeffers, McAllister, and Norris 504 PM MDT Thu May 23 2024 .TONIGHT...Mostly clear. Lows around 30. South winds 5 to 15 mph. .FRIDAY...Not as cool. Partly cloudy. A 20 percent chance of rain showers in the afternoon. Highs 55 to 60. South winds 5 to 15 mph. .FRIDAY NIGHT...Mostly cloudy. A 20 percent chance of thunderstorms in the evening. Lows 35 to 40. South winds 5 to 15 mph. .SATURDAY...Mostly cloudy. Chance of rain showers in the morning, then rain showers and chance of thunderstorms in the afternoon. Highs 55 to 60. South winds 5 to 15 mph. Chance of precipitation 80 percent. .SATURDAY 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 30 to 35. Southwest winds 5 to 15 mph. Chance of precipitation 70 percent. .SUNDAY...Mostly cloudy with a 20 percent chance of rain showers and snow showers. Highs 55 to 60. .SUNDAY NIGHT THROUGH MONDAY NIGHT...Mostly clear. Lows 35 to 45. Highs 65 to 70. .TUESDAY...Sunny with a 20 percent chance of thunderstorms. Highs 70 to 75. .TUESDAY NIGHT...Partly cloudy with a 20 percent chance of thunderstorms. Lows 45 to 50. .WEDNESDAY...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 70 to 75. Chance of precipitation 40 percent. .WEDNESDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers. Lows around 45. .THURSDAY...Partly cloudy with a 20 percent chance of thunderstorms. Highs 65 to 70. $$ MTZ326-241000- Gallatin Valley- Including Bozeman and Gallatin Gateway 504 PM MDT Thu May 23 2024 .TONIGHT...Colder. Mostly clear. Patchy fog. Lows 25 to 30. South winds 5 to 10 mph. .FRIDAY...Not as cool. Areas of fog in the morning. Sunny in the morning, then partly cloudy with a 20 percent chance of thunderstorms in the afternoon. Highs around 60. Southwest winds up to 10 mph. .FRIDAY NIGHT...Mostly cloudy. A 20 percent chance of thunderstorms in the evening. Lows 35 to 40. West winds 5 to 10 mph shifting to the southeast after midnight. .SATURDAY...Mostly cloudy. Slight chance of rain showers in the morning, then rain showers and chance of thunderstorms in the afternoon. Highs around 60. South winds up to 5 mph shifting to the southwest in the afternoon. Chance of precipitation 80 percent. .SATURDAY NIGHT...Mostly cloudy. Rain showers likely and chance of thunderstorms in the evening, then chance of rain showers and slight chance of thunderstorms after midnight. Lows around 35. West winds 5 to 10 mph. Chance of precipitation 70 percent. .SUNDAY...Mostly cloudy with a 20 percent chance of rain showers. Highs around 60. .SUNDAY NIGHT THROUGH MONDAY NIGHT...Mostly clear. Lows 35 to 45. Highs around 70. .TUESDAY...Sunny with a 20 percent chance of thunderstorms. Highs 75 to 80. .TUESDAY NIGHT...Partly cloudy with a 20 percent chance of thunderstorms. Lows 45 to 50. .WEDNESDAY...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs around 75. Chance of precipitation 50 percent. .WEDNESDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers. Lows around 45. .THURSDAY...Partly cloudy with chance of rain showers and slight chance of thunderstorms. Highs around 70. Chance of precipitation 40 percent. && TEMPERATURE / PRECIPITATION Bozeman Airport 26 62 36 62 / 10 20 10 70 Bozeman MSU 28 58 37 59 / 10 20 20 80 $$ MTZ330-241000- Gallatin and Madison County Mountains and Centennial Mountains- Including Big Sky, West Yellowstone, Targhee Pass, and Raynolds Pass 504 PM MDT Thu May 23 2024 .TONIGHT...Mostly clear. Patchy fog after midnight. Lows 20 to 25. West winds 5 to 10 mph shifting to the southwest after midnight. .FRIDAY...Not as cool. Partly cloudy. Patchy fog in the morning. A 20 percent chance of thunderstorms in the afternoon. Highs 45 to 55. Southwest winds 5 to 15 mph. .FRIDAY NIGHT...Mostly cloudy. Slight chance of thunderstorms and snow showers in the evening, then slight chance of rain showers and snow showers after midnight. Lows 30 to 35. South winds 5 to 15 mph. Chance of precipitation 20 percent. .SATURDAY...Mostly cloudy. Chance of rain showers and snow showers in the morning, then rain showers, chance of thunderstorms and snow showers in the afternoon. Light snow accumulations. Snow level above 8000 feet. Highs 45 to 55. South winds 5 to 15 mph. Chance of precipitation 90 percent. .SATURDAY NIGHT...Mostly cloudy. Snow showers with possible showers and thunderstorms likely in the evening, then chance of snow showers, rain showers and slight chance of thunderstorms after midnight. Moderate snow accumulations. Snow level 7500 feet. Lows 25 to 30. Southwest winds 5 to 15 mph. Chance of precipitation 80 percent. .SUNDAY...Mostly cloudy with a 20 percent chance of snow showers. Highs 45 to 55. .SUNDAY NIGHT THROUGH MONDAY NIGHT...Mostly clear. Lows 30 to 40. Highs 55 to 65. .TUESDAY...Sunny with a 20 percent chance of thunderstorms. Highs 60 to 70. .TUESDAY NIGHT...Partly cloudy with a 20 percent chance of thunderstorms. Lows 40 to 45. .WEDNESDAY...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 60 to 70. Chance of precipitation 50 percent. .WEDNESDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers. Lows 35 to 40. .THURSDAY...Partly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 55 to 65. Chance of precipitation 40 percent. && TEMPERATURE / PRECIPITATION West Yellowstone 23 54 30 52 / 10 10 10 80 $$ MTZ327-241000- Northwest Beaverhead County- Including Dewey, Wisdom, Wise River, Big Hole Pass, and Chief Joseph Pass 504 PM MDT Thu May 23 2024 .TONIGHT...Mostly clear. Patchy fog. Lows 20 to 25. Northwest winds 5 to 10 mph shifting to the southwest after midnight. .FRIDAY...Not as cool. Partly cloudy. Highs 45 to 55. West winds 5 to 15 mph. .FRIDAY NIGHT...Mostly cloudy. Chance of rain showers, snow showers and slight chance of thunderstorms in the evening, then chance of rain showers and snow showers after midnight. Lows 30 to 35. Northwest winds up to 10 mph shifting to the south after midnight. Chance of precipitation 50 percent. .SATURDAY...Mostly cloudy. Chance of rain showers and snow showers in the morning, then rain showers, chance of thunderstorms and snow showers in the afternoon. Light snow accumulations. Snow level 7500 feet. Highs 45 to 50. Southwest winds up to 5 mph shifting to the west 5 to 15 mph in the afternoon. Chance of precipitation 90 percent. .SATURDAY NIGHT...Mostly cloudy. Snow showers likely with possible showers and thunderstorms in the evening, then slight chance of snow showers after midnight. Snow level 6500 feet. Lows 25 to 30. West winds 5 to 15 mph. Chance of precipitation 60 percent. .SUNDAY...Mostly cloudy. Highs 45 to 55. .SUNDAY NIGHT THROUGH MONDAY NIGHT...Mostly clear. Lows 30 to 40. Highs 55 to 65. .TUESDAY...Sunny with a 20 percent chance of thunderstorms. Highs 65 to 70. .TUESDAY NIGHT...Partly cloudy with a 20 percent chance of thunderstorms. Lows 40 to 45. .WEDNESDAY...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 60 to 65. Chance of precipitation 50 percent. .WEDNESDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers. Lows 35 to 40. .THURSDAY...Partly cloudy with chance of rain showers and slight chance of snow showers. Highs 55 to 65. Chance of precipitation 40 percent. $$ MTZ328-241000- Beaverhead and Western Madison below 6000ft- Including Bannack, Dillon, Glen, and Waterloo 504 PM MDT Thu May 23 2024 .TONIGHT...Mostly clear. Patchy fog after midnight. Lows 25 to 30. Southwest winds 5 to 10 mph. .FRIDAY...Not as cool. Partly cloudy. Patchy fog in the morning. Highs 55 to 60. Southwest winds 5 to 15 mph. .FRIDAY NIGHT...Mostly cloudy. Slight chance of thunderstorms in the evening, then slight chance of rain showers after midnight. Lows in the mid 30s. Southwest winds 5 to 15 mph shifting to the south up to 5 mph after midnight. Chance of precipitation 20 percent. .SATURDAY...Mostly cloudy. Chance of rain showers in the morning, then rain showers likely and chance of thunderstorms in the afternoon. Highs 55 to 60. Southwest winds 5 to 15 mph. Chance of precipitation 70 percent. .SATURDAY NIGHT...Mostly cloudy. Rain showers likely and chance of thunderstorms in the evening, then chance of rain showers and slight chance of snow showers after midnight. Light snow accumulations. Lows 30 to 35. West winds 5 to 15 mph. Chance of precipitation 70 percent. .SUNDAY...Partly cloudy. Highs 55 to 60. .SUNDAY NIGHT AND MEMORIAL DAY...Mostly clear. Lows around 35. Highs 65 to 70. .MONDAY NIGHT...Mostly clear. Lows 40 to 45. .TUESDAY...Warmer. Sunny with a 20 percent chance of thunderstorms. Highs 70 to 80. .TUESDAY NIGHT...Partly cloudy with a 20 percent chance of thunderstorms. Lows around 45. .WEDNESDAY...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 70 to 75. Chance of precipitation 40 percent. .WEDNESDAY NIGHT AND THURSDAY...Partly cloudy with a 20 percent chance of rain showers. Lows 40 to 45. Highs 65 to 70. && TEMPERATURE / PRECIPITATION Dillon 27 61 36 58 / 10 10 20 70 $$ MTZ329-241000- Ruby Mountains and Southern Beaverhead Mountains- Including Monida Pass 504 PM MDT Thu May 23 2024 .TONIGHT...Mostly clear. Lows in the mid 20s. Northwest winds 5 to 15 mph shifting to the south 5 to 10 mph after midnight. .FRIDAY...Not as cool. Sunny in the morning then becoming partly cloudy. Highs 50 to 55. Southwest winds 5 to 15 mph. .FRIDAY NIGHT...Mostly cloudy. Chance of snow showers and slight chance of thunderstorms in the evening, then slight chance of rain showers and snow showers after midnight. Lows 30 to 35. South winds 10 to 15 mph decreasing to up to 10 mph after midnight. Chance of precipitation 40 percent. .SATURDAY...Mostly cloudy. Chance of rain showers and snow showers in the morning, then rain showers and chance of thunderstorms in the afternoon. Highs 45 to 50. South winds up to 10 mph shifting to the southwest in the afternoon. Chance of precipitation 90 percent. .SATURDAY NIGHT...Mostly cloudy. Rain showers, snow showers likely and chance of thunderstorms in the evening, then chance of rain showers and slight chance of snow showers after midnight. Snow level 7000 feet. Lows 25 to 30. West winds 5 to 15 mph. Chance of precipitation 70 percent. .SUNDAY...Partly cloudy. Highs 50 to 55. .SUNDAY NIGHT AND MEMORIAL DAY...Mostly clear. Lows 30 to 35. Highs 60 to 65. .MONDAY NIGHT...Mostly clear. Lows around 40. .TUESDAY...Sunny with a 20 percent chance of thunderstorms. Highs 65 to 70. .TUESDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers. Lows 40 to 45. .WEDNESDAY...Partly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 60 to 70. Chance of precipitation 40 percent. .WEDNESDAY NIGHT...Partly cloudy with a 20 percent chance of rain showers. Lows 35 to 40. .THURSDAY...Partly cloudy with a 20 percent chance of thunderstorms. Highs 60 to 65. $$ http://www.weather.gov/greatfalls https://www.twitter.com/NWSGreatFalls https://www.facebook.com/NWSGreatFalls