Zone Forecast Product
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
204 FPUS55 KTFX 222025 ZFPTFX Zone Forecast Product for Central and Southwest Montana National Weather Service Great Falls MT 225 PM MDT Wed May 22 2024 Spot temperatures and probabilities of measurable precipitation are for tonight, Thursday, Thursday night, and Friday. ...FLOOD HIGHLIGHTS HAVE BEEN ISSUED FOR PORTIONS OF THE ZONE FORECAST AREA. PLEASE REFER TO THE LATEST FLOOD BULLETIN FOR DETAILS... MTZ301-231000- East Glacier Park Region- Including East Glacier Park, Kiowa, Babb, Saint Mary, Marias Pass, and Logan Pass 225 PM MDT Wed May 22 2024 .TONIGHT...Rain showers, snow showers and slight chance of thunderstorms in the evening, then chance of snow and slight chance of rain after midnight. Snow may be heavy at times in the evening. Snow accumulation of 4 to 7 inches. Snow level 6000 feet. Lows 30 to 35. Northeast winds 5 to 15 mph with gusts to around 30 mph. Chance of precipitation near 100 percent. .THURSDAY...Mostly cloudy. Slight chance of rain and snow in the morning, then rain showers, snow showers likely and slight chance of thunderstorms in the afternoon. Snow accumulation up to 1 inch. Snow level 6000 feet. Highs 40 to 50. North winds 5 to 10 mph shifting to the west in the afternoon. Chance of precipitation 70 percent. .THURSDAY NIGHT...Mostly cloudy. Rain showers, snow showers likely and chance of thunderstorms in the evening, then chance of rain and snow after midnight. Snow accumulation up to 2 inches. Lows 30 to 35. Southwest winds 5 to 10 mph. Chance of precipitation 70 percent. .FRIDAY...Mostly cloudy. Chance of rain and snow in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 45 to 55. West winds 10 to 20 mph. Chance of precipitation 50 percent. .FRIDAY NIGHT...Partly cloudy in the evening then becoming mostly cloudy. A 20 percent chance of rain and snow. Lows 35 to 40. Southwest winds 5 to 15 mph. .SATURDAY AND SATURDAY NIGHT...Mostly cloudy with a 50 percent chance of rain and snow. Highs 45 to 55. Lows 35 to 40. .SUNDAY...Breezy. Mostly cloudy with a 20 percent chance of rain and snow. Highs 45 to 55. .SUNDAY NIGHT...Breezy. Partly cloudy. Lows 35 to 40. .MEMORIAL DAY...Sunny. Highs 50 to 60. .MONDAY NIGHT AND TUESDAY...Partly cloudy. Lows 40 to 45. Highs 60 to 70. .TUESDAY NIGHT AND WEDNESDAY...Partly cloudy with a 20 percent chance of rain. Lows 40 to 45. Highs 55 to 65. $$ MTZ307-231000- Southern Rocky Mountain Front- Including Rogers Pass 225 PM MDT Wed May 22 2024 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING TO NOON MDT THURSDAY... .TONIGHT...Rain showers, snow showers and chance of thunderstorms in the evening, then snow, rain and slight chance of thunderstorms after midnight. Patchy blowing snow after midnight. Precipitation may be heavy at times. Visibility one quarter mile or less at times after midnight. Snow accumulation of 9 to 15 inches. Snow level 6000 feet. Lows 30 to 35. Northeast winds 10 to 20 mph with gusts to around 35 mph. Chance of precipitation near 100 percent. .THURSDAY...Mostly cloudy. Chance of snow in the morning, then chance of rain showers, snow showers and slight chance of thunderstorms in the afternoon. Highs 40 to 45. North winds 5 to 15 mph. Gusts up to 35 mph in the morning. Chance of precipitation 50 percent. .THURSDAY NIGHT...Mostly cloudy. Chance of rain showers, snow showers and slight chance of thunderstorms in the evening, then chance of snow and slight chance of rain after midnight. Lows 30 to 35. West winds 5 to 10 mph. Chance of precipitation 50 percent. .FRIDAY...Not as cool. Mostly cloudy. Slight chance of rain and snow in the morning, then chance of rain in the afternoon. Highs 45 to 55. West winds 5 to 15 mph. Chance of precipitation 50 percent. .FRIDAY NIGHT...Mostly cloudy. Chance of rain and snow in the evening, then chance of snow and slight chance of rain after midnight. Lows 30 to 35. West winds 5 to 15 mph. Chance of precipitation 40 percent. .SATURDAY...Mostly cloudy with a 40 percent chance of rain and snow. Highs 45 to 55. .SATURDAY NIGHT...Mostly cloudy with a 50 percent chance of rain and snow. Lows 35 to 40. .SUNDAY...Mostly cloudy with a 40 percent chance of rain and snow. Highs 45 to 55. .SUNDAY NIGHT...Partly cloudy. Lows 30 to 35. .MEMORIAL DAY AND MONDAY NIGHT...Mostly clear. Highs 55 to 65. Lows 35 to 45. .TUESDAY...Sunny. Highs 60 to 70. .TUESDAY NIGHT...Partly cloudy with a 20 percent chance of rain. Lows 40 to 50. .WEDNESDAY...Partly cloudy with a 40 percent chance of rain. Highs 60 to 70. $$ MTZ302-231000- Northern High Plains- Including Browning, Heart Butte, and Dupuyer 225 PM MDT Wed May 22 2024 .TONIGHT...Rain showers and chance of thunderstorms in the evening, then slight chance of rain after midnight. Lows in the mid 30s. North winds 10 to 20 mph. Chance of precipitation near 100 percent. .THURSDAY...Mostly cloudy. Slight chance of rain and snow in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 50 to 55. Northwest winds 5 to 15 mph. Chance of precipitation 50 percent. .THURSDAY NIGHT...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the evening, then slight chance of rain after midnight. Lows in the mid 30s. West winds 5 to 10 mph. Chance of precipitation 50 percent. .FRIDAY...Mostly cloudy. Slight chance of rain 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...Partly cloudy. Lows 35 to 40. West winds 5 to 15 mph. .SATURDAY...Mostly cloudy with a 50 percent chance of rain. Highs around 60. .SATURDAY NIGHT...Mostly cloudy with a 20 percent chance of rain. Lows around 40. .SUNDAY...Windy. Partly cloudy with a 20 percent chance of rain. Highs 55 to 60. .SUNDAY NIGHT...Breezy. Partly cloudy. Lows around 40. .MEMORIAL DAY...Warmer, sunny. Highs 65 to 70. .MONDAY NIGHT THROUGH TUESDAY NIGHT...Partly cloudy. Lows 45 to 50. Highs 70 to 75. .WEDNESDAY...Partly cloudy with a 20 percent chance of rain. Highs around 70. $$ MTZ308-231000- Southern High Plains- Including Bynum, Choteau, and Pendroy 225 PM MDT Wed May 22 2024 .TONIGHT...Breezy. Rain showers and chance of thunderstorms in the evening, then rain showers and slight chance of thunderstorms after midnight. Lows in the mid 30s. North winds 15 to 25 mph. Chance of precipitation near 100 percent. .THURSDAY...Mostly cloudy. Chance of rain and snow in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 50 to 55. North winds 5 to 15 mph. Gusts up to 30 mph in the morning. Chance of precipitation 50 percent. .THURSDAY NIGHT...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the evening, then slight chance of rain after midnight. Lows in the mid 30s. Southwest winds up to 10 mph. Chance of precipitation 50 percent. .FRIDAY...Warmer. Mostly cloudy. Slight chance of rain in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 60 to 65. West winds 5 to 15 mph. Chance of precipitation 50 percent. .FRIDAY NIGHT...Partly cloudy with a 20 percent chance of rain. Lows around 40. West winds 5 to 15 mph. .SATURDAY...Mostly cloudy with rain showers likely and slight chance of thunderstorms. Highs 60 to 65. Chance of precipitation 70 percent. .SATURDAY NIGHT...Mostly cloudy with a 50 percent chance of rain. Lows 40 to 45. .SUNDAY...Partly cloudy with a 20 percent chance of rain. Highs 60 to 65. .SUNDAY NIGHT...Partly cloudy. Lows around 40. .MEMORIAL DAY...Sunny. Highs around 70. .MONDAY NIGHT AND TUESDAY...Partly cloudy. Lows around 45. Highs 75 to 80. .TUESDAY NIGHT AND WEDNESDAY...Partly cloudy with a 20 percent chance of rain. Lows around 50. Highs around 75. $$ MTZ303-231000- Eastern Glacier, Western Toole, and Central Pondera- Including Cut Bank, Ethridge, and Santa Rita 225 PM MDT Wed May 22 2024 .TONIGHT...Mostly cloudy. Rain showers and chance of thunderstorms in the evening, then slight chance of rain after midnight. Lows in the mid 30s. North winds 10 to 20 mph. Chance of precipitation 90 percent. .THURSDAY...Partly cloudy with slight chance of rain in the morning, then mostly cloudy with chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 50 to 55. Northwest winds 5 to 15 mph. Chance of precipitation 40 percent. .THURSDAY NIGHT...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the evening, then slight chance of rain after midnight. Lows in the mid 30s. West winds up to 10 mph. Chance of precipitation 50 percent. .FRIDAY...Mostly cloudy. Slight chance of rain 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. Lows around 40. West winds 5 to 15 mph. .SATURDAY...Mostly cloudy with a 40 percent chance of rain. Highs 60 to 65. .SATURDAY NIGHT...Mostly cloudy with a 20 percent chance of rain. Lows 40 to 45. .SUNDAY...Breezy. Partly cloudy with a 20 percent chance of rain. Highs 60 to 65. .SUNDAY NIGHT...Partly cloudy. Lows around 40. .MEMORIAL DAY...Sunny. Highs around 70. .MONDAY NIGHT AND TUESDAY...Partly cloudy. Lows around 45. Highs 75 to 80. .TUESDAY NIGHT...Partly cloudy. Lows around 50. .WEDNESDAY...Partly cloudy with a 20 percent chance of rain. Highs 70 to 75. && TEMPERATURE / PRECIPITATION Cut Bank 34 54 35 62 / 90 40 50 40 $$ MTZ304-231000- Eastern Toole and Liberty- Including Devon, Shelby, Chester, Galata, Joplin, Lothair, and Whitlash 225 PM MDT Wed May 22 2024 .TONIGHT...Mostly cloudy. Rain showers and slight chance of thunderstorms in the evening, then slight chance of rain after midnight. Lows in the mid 30s. Northeast winds 5 to 15 mph. Chance of precipitation 90 percent. .THURSDAY...Partly cloudy with a 20 percent chance of rain. Highs 50 to 55. North winds 5 to 10 mph. .THURSDAY NIGHT...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the evening, then chance of rain after midnight. Lows 35 to 40. Southwest winds up to 5 mph. Chance of precipitation 50 percent. .FRIDAY...Warmer. Mostly cloudy. Slight chance of rain in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 60 to 65. West winds up to 10 mph. Chance of precipitation 50 percent. .FRIDAY NIGHT...Partly cloudy. Lows around 40. Northwest winds 5 to 10 mph shifting to the south after midnight. .SATURDAY...Mostly cloudy with a 50 percent chance of rain. Highs 60 to 70. .SATURDAY NIGHT...Mostly cloudy with a 40 percent chance of rain. Lows around 45. .SUNDAY...Mostly cloudy with a 20 percent chance of rain. Highs around 65. .SUNDAY NIGHT...Partly cloudy. Lows around 40. .MEMORIAL DAY THROUGH TUESDAY...Mostly clear. Highs 70 to 80. Lows around 45. .TUESDAY NIGHT...Partly cloudy. Lows around 50. .WEDNESDAY...Partly cloudy with a 20 percent chance of rain. Highs 75 to 80. $$ MTZ305-231000- Hill County- Including Havre 225 PM MDT Wed May 22 2024 .TONIGHT...Mostly cloudy. Rain showers likely and slight chance of thunderstorms in the evening, then slight chance of rain after midnight. Lows in the mid 30s. Northeast winds 10 to 15 mph. Chance of precipitation 70 percent. .THURSDAY...Partly cloudy with a 20 percent chance of rain. Highs in the mid 50s. North winds 5 to 15 mph. .THURSDAY NIGHT...Mostly cloudy with a 40 percent chance of rain. Patchy fog after midnight. Lows 35 to 40. Southwest winds up to 10 mph shifting to the south after midnight. .FRIDAY...Mostly cloudy. Patchy fog in the morning. Slight chance of rain 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. Chance of precipitation 50 percent. .FRIDAY NIGHT...Partly cloudy. Lows around 40. West winds 5 to 10 mph shifting to the south after midnight. .SATURDAY...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 65 to 70. Chance of precipitation 50 percent. .SATURDAY NIGHT AND SUNDAY...Mostly cloudy with a 40 percent chance of rain. Lows around 45. Highs 65 to 70. .SUNDAY NIGHT...Partly cloudy. Lows 40 to 45. .MEMORIAL DAY AND MONDAY NIGHT...Mostly clear. Highs 70 to 75. Lows 45 to 50. .TUESDAY...Sunny. Highs around 80. .TUESDAY NIGHT...Partly cloudy. Lows 50 to 55. .WEDNESDAY...Partly cloudy with a 20 percent chance of rain. Highs 75 to 80. && TEMPERATURE / PRECIPITATION Havre 37 55 36 65 / 70 30 30 50 $$ MTZ306-231000- Northern Blaine County- Including Chinook, Zurich, Harlem, Hogeland, and Fort Belknap 225 PM MDT Wed May 22 2024 .TONIGHT...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the evening, then chance of rain after midnight. Lows 35 to 40. Northeast winds 10 to 20 mph. Chance of precipitation 50 percent. .THURSDAY...Mostly cloudy with a 20 percent chance of rain in the morning, then partly cloudy in the afternoon. Highs 50 to 55. North winds 10 to 20 mph. .THURSDAY NIGHT...Partly cloudy in the evening then becoming mostly cloudy. A 20 percent chance of rain. Patchy fog after midnight. Lows in the mid 30s. Northeast winds 5 to 10 mph shifting to the southeast after midnight. .FRIDAY...Mostly cloudy. Patchy fog in the morning. Slight chance of rain in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs around 60. South winds 5 to 10 mph shifting to the west 10 to 15 mph in the afternoon. Chance of precipitation 50 percent. .FRIDAY NIGHT...Partly cloudy. A 20 percent chance of rain in the evening. Lows around 40. West winds 5 to 10 mph shifting to the southeast after midnight. .SATURDAY...Partly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 65 to 70. Chance of precipitation 40 percent. .SATURDAY NIGHT...Mostly cloudy with a 50 percent chance of rain. Lows around 45. .SUNDAY...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs around 65. Chance of precipitation 40 percent. .SUNDAY NIGHT...Partly cloudy with a 20 percent chance of rain. Lows 40 to 45. .MEMORIAL DAY THROUGH TUESDAY...Mostly clear. Highs 70 to 80. Lows around 45. .TUESDAY NIGHT AND WEDNESDAY...Partly cloudy with a 20 percent chance of rain. Lows 50 to 55. Highs 75 to 80. $$ MTZ309-231000- Eastern Pondera and Eastern Teton- Including Brady, Conrad, and Ledger 225 PM MDT Wed May 22 2024 .TONIGHT...Rain showers and chance of thunderstorms in the evening, then chance of rain after midnight. Lows in the mid 30s. North winds 10 to 20 mph. Chance of precipitation near 100 percent. .THURSDAY...Mostly cloudy with a 50 percent chance of rain. Highs in the mid 50s. North winds 5 to 15 mph. .THURSDAY NIGHT...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the evening, then slight chance of rain after midnight. Lows in the mid 30s. Southwest winds up to 10 mph. Chance of precipitation 50 percent. .FRIDAY...Mostly cloudy. Slight chance of rain in the morning, then chance of rain showers 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 50 percent. .FRIDAY NIGHT...Partly cloudy. Lows around 40. West winds up to 10 mph. .SATURDAY...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs around 65. Chance of precipitation 50 percent. .SATURDAY NIGHT...Mostly cloudy with a 40 percent chance of rain. Lows 40 to 45. .SUNDAY...Partly cloudy with a 20 percent chance of rain. Highs around 65. .SUNDAY NIGHT AND MEMORIAL DAY...Mostly clear. Lows around 40. Highs 70 to 75. .MONDAY NIGHT...Partly cloudy. Lows around 45. .TUESDAY...Sunny. Highs 75 to 80. .TUESDAY NIGHT...Partly cloudy. Lows around 50. .WEDNESDAY...Partly cloudy with a 20 percent chance of rain. Highs 75 to 80. $$ MTZ310-231000- Western and Central Chouteau County- Including Floweree, Carter, and Fort Benton 225 PM MDT Wed May 22 2024 .TONIGHT...Rain showers and chance of thunderstorms in the evening, then rain showers and slight chance of thunderstorms after midnight. Lows 35 to 40. Northeast winds 5 to 15 mph. Chance of precipitation near 100 percent. .THURSDAY...Mostly cloudy with chance of rain in the morning, then partly cloudy with slight chance of rain in the afternoon. Highs 50 to 55. North winds 5 to 15 mph. Chance of rain 50 percent. .THURSDAY NIGHT...Mostly cloudy with a 40 percent chance of rain. Lows in the mid 30s. Southwest winds up to 10 mph. .FRIDAY...Warmer. Mostly cloudy. Slight chance of rain in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 60 to 65. West winds 5 to 15 mph. Chance of precipitation 50 percent. .FRIDAY NIGHT...Partly cloudy. Lows around 40. Northwest winds up to 10 mph shifting to the south after midnight. .SATURDAY...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 65 to 70. Chance of precipitation 50 percent. .SATURDAY NIGHT...Mostly cloudy with a 50 percent chance of rain. Lows around 45. .SUNDAY...Mostly cloudy with a 40 percent chance of rain. Highs 65 to 70. .SUNDAY NIGHT...Partly cloudy. Lows 40 to 45. .MEMORIAL DAY THROUGH TUESDAY...Mostly clear. Highs 70 to 80. Lows 45 to 50. .TUESDAY NIGHT...Partly cloudy with a 20 percent chance of rain. Lows 50 to 55. .WEDNESDAY...Partly cloudy with a 20 percent chance of thunderstorms. Highs around 80. $$ MTZ311-231000- Bears Paw Mountains and Southern Blaine- Including Rocky Boy 225 PM MDT Wed May 22 2024 .TONIGHT...Rain showers and chance of thunderstorms in the evening, then rain showers likely and slight chance of thunderstorms after midnight. Lows 35 to 40. Northeast winds 10 to 15 mph. Chance of precipitation 90 percent. .THURSDAY...Mostly cloudy. Chance of rain in the morning, then slight chance of rain in the afternoon. Highs 50 to 55. North winds 10 to 15 mph. Chance of rain 50 percent. .THURSDAY NIGHT...Partly cloudy in the evening then becoming mostly cloudy. A 20 percent chance of rain. Lows 35 to 40. Northwest winds up to 10 mph shifting to the south after midnight. .FRIDAY...Warmer. Mostly cloudy. Slight chance of rain in the morning, then rain showers likely and slight chance of thunderstorms in the afternoon. Highs 60 to 65. West winds 5 to 15 mph. Chance of precipitation 60 percent. .FRIDAY NIGHT...Partly cloudy. Lows 40 to 45. West winds up to 10 mph shifting to the south after midnight. .SATURDAY...Partly cloudy with chance of rain showers and slight chance of thunderstorms. Highs around 65. Chance of precipitation 50 percent. .SATURDAY NIGHT...Mostly cloudy with a 50 percent chance of rain. Lows around 45. .SUNDAY...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs around 65. Chance of precipitation 40 percent. .SUNDAY NIGHT...Partly cloudy with a 20 percent chance of rain. Lows around 45. .MEMORIAL DAY AND MONDAY NIGHT...Mostly clear. Highs around 70. Lows 45 to 50. .TUESDAY...Sunny. Highs 75 to 80. .TUESDAY NIGHT AND WEDNESDAY...Partly cloudy with a 20 percent chance of rain. Lows 50 to 55. Highs 75 to 80. $$ MTZ312-231000- Cascade County below 5000ft- Including Great Falls 225 PM MDT Wed May 22 2024 .TONIGHT...Breezy. Rain showers and chance of thunderstorms in the evening, then rain showers and slight chance of thunderstorms after midnight. Lows 35 to 40. Northeast winds 5 to 15 mph increasing to 15 to 25 mph after midnight. Chance of precipitation near 100 percent. .THURSDAY...Mostly cloudy. Chance of rain in the morning, then slight chance of rain in the afternoon. Highs 50 to 55. North winds 10 to 20 mph. Chance of rain 50 percent. .THURSDAY NIGHT...Mostly cloudy with chance of rain in the evening, then partly cloudy with slight chance of rain after midnight. Lows in the mid 30s. Southwest winds up to 10 mph. Chance of rain 30 percent. .FRIDAY...Warmer. Mostly cloudy. Slight chance of rain in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 60 to 65. Southwest winds 5 to 15 mph. Chance of precipitation 50 percent. .FRIDAY NIGHT...Partly cloudy. A 20 percent chance of thunderstorms in the evening. Lows around 40. West winds 5 to 15 mph shifting to the southwest 5 to 10 mph after midnight. .SATURDAY...Rain showers likely and slight chance of thunderstorms. Highs around 65. Chance of precipitation 70 percent. .SATURDAY NIGHT...Mostly cloudy with a 50 percent chance of rain. Lows 40 to 45. .SUNDAY...Mostly cloudy with a 40 percent chance of rain. Highs 60 to 65. .SUNDAY NIGHT THROUGH TUESDAY...Mostly clear. Lows 40 to 45. Highs 70 to 80. .TUESDAY NIGHT...Partly cloudy with a 20 percent chance of rain. Lows around 50. .WEDNESDAY...Partly cloudy with a 20 percent chance of thunderstorms. Highs 75 to 80. && TEMPERATURE / PRECIPITATION Great Falls Arpt 37 53 36 64 / 90 70 30 30 $$ MTZ313-231000- Judith Basin County and Judith Gap- Including Raynesford, Geyser, Stanford, Windham, Benchland, Hobson, and Moccasin 225 PM MDT Wed May 22 2024 .TONIGHT...Rain showers and chance of thunderstorms in the evening, then rain showers and slight chance of thunderstorms after midnight. Lows in the mid 30s. Northeast winds 5 to 15 mph. Chance of precipitation near 100 percent. .THURSDAY...Breezy. Rain and snow in the morning, then slight chance of rain in the afternoon. Snow accumulation up to 1 inch. Highs 45 to 50. North winds 15 to 25 mph. Chance of precipitation near 100 percent. .THURSDAY NIGHT...Partly cloudy with a 20 percent chance of rain. Lows around 30. Southwest winds 5 to 10 mph. .FRIDAY...Not as cool. Partly cloudy in the morning, then mostly cloudy with 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. West winds 5 to 10 mph shifting to the southwest after midnight. .SATURDAY...Rain showers likely and chance of thunderstorms. Highs 60 to 65. Chance of precipitation 70 percent. .SATURDAY NIGHT...Rain showers likely and slight chance of thunderstorms. Lows around 40. Chance of precipitation 70 percent. .SUNDAY...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs around 60. Chance of precipitation 50 percent. .SUNDAY NIGHT...Partly cloudy with a 20 percent chance of rain. Lows around 40. .MEMORIAL DAY AND MONDAY NIGHT...Mostly clear. Highs 65 to 70. Lows around 45. .TUESDAY...Sunny. Highs around 75. .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 around 75. Chance of precipitation 30 percent. $$ MTZ314-231000- Fergus County below 4500ft- Including Hilger and Lewistown 225 PM MDT Wed May 22 2024 .TONIGHT...Rain showers and chance of thunderstorms in the evening, then rain showers and slight chance of thunderstorms after midnight. Lows 35 to 40. Northeast winds 5 to 15 mph. Chance of precipitation near 100 percent. .THURSDAY...Cooler. Rain in the morning, then slight chance of rain in the afternoon. Highs around 50. North winds 10 to 20 mph. Chance of rain near 100 percent. .THURSDAY NIGHT...Partly cloudy. A 20 percent chance of rain in the evening. Lows in the mid 30s. West winds 5 to 10 mph shifting to the southwest after midnight. .FRIDAY...Warmer. Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 60 to 65. West winds 5 to 15 mph. Chance of precipitation 50 percent. .FRIDAY NIGHT...Partly cloudy. Lows 40 to 45. Northwest winds 5 to 10 mph shifting to the south after midnight. .SATURDAY AND SATURDAY NIGHT...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 65 to 70. Lows 40 to 50. Chance of precipitation 50 percent. .SUNDAY...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 60 to 65. Chance of precipitation 50 percent. .SUNDAY NIGHT...Partly cloudy. Lows 40 to 45. .MEMORIAL DAY AND MONDAY NIGHT...Mostly clear. Highs around 70. Lows 45 to 50. .TUESDAY...Sunny. Highs 75 to 80. .TUESDAY NIGHT...Partly cloudy. Lows 50 to 55. .WEDNESDAY...Partly cloudy with a 20 percent chance of thunderstorms. Highs 75 to 80. && TEMPERATURE / PRECIPITATION Lewistown 34 47 31 60 / 90 90 10 40 $$ MTZ315-231000- Upper Blackfoot and MacDonald Pass- Including Marysville, Lincoln, Flesher Pass, and MacDonald Pass 225 PM MDT Wed May 22 2024 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING TO NOON MDT THURSDAY... .TONIGHT...Colder. Rain showers, snow showers and chance of thunderstorms in the evening, then snow showers, rain showers and slight chance of thunderstorms after midnight. Blowing snow after midnight. Snow may be heavy at times. Visibility one quarter mile or less at times after midnight. Snow accumulation of 13 to 19 inches. Snow level 6000 feet. Lows 30 to 35. North winds 5 to 15 mph. Gusts up to 35 mph after midnight. Chance of precipitation near 100 percent. .THURSDAY...Mostly cloudy. Patchy blowing snow in the morning. Chance of snow and rain in the morning, then chance of rain showers, snow and slight chance of thunderstorms in the afternoon. Highs 40 to 50. North winds 5 to 15 mph. Gusts up to 35 mph in the morning. Chance of precipitation 50 percent. .THURSDAY NIGHT...Partly cloudy. A 20 percent chance of thunderstorms and snow in the evening. Lows 30 to 35. Southwest winds up to 10 mph. .FRIDAY...Not as cool. Mostly cloudy. A 40 percent chance of rain in the afternoon. Highs 50 to 60. West winds 5 to 15 mph. .FRIDAY NIGHT...Partly cloudy with a 20 percent chance of rain. Lows 35 to 40. West winds up to 10 mph. .SATURDAY...Rain showers likely and slight chance of thunderstorms. Highs 50 to 60. Chance of precipitation 70 percent. .SATURDAY NIGHT...Mostly cloudy with a 50 percent chance of rain and snow. Lows 35 to 40. .SUNDAY...Mostly cloudy with a 40 percent chance of rain and snow. Highs 50 to 60. .SUNDAY NIGHT...Partly cloudy. Lows 35 to 40. .MEMORIAL DAY AND MONDAY NIGHT...Mostly clear. Highs 60 to 65. Lows 40 to 45. .TUESDAY...Warmer, sunny. Highs 65 to 75. .TUESDAY NIGHT...Partly cloudy with a 20 percent chance of rain. Lows 45 to 50. .WEDNESDAY...Partly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 65 to 75. Chance of precipitation 30 percent. $$ MTZ316-231000- Gates of the Mountains- Including Canyon Creek, Wolf Creek, and Craig 225 PM MDT Wed May 22 2024 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 6 PM MDT THURSDAY... .TONIGHT...Breezy, colder. Rain showers and chance of thunderstorms in the evening, then rain showers, snow and slight chance of thunderstorms after midnight. Areas of blowing snow after midnight. Snow may be heavy at times after midnight. Visibility one quarter mile or less at times after midnight. Snow accumulation of 2 to 5 inches. Lows 30 to 35. North winds 5 to 15 mph increasing to 15 to 25 mph after midnight. Chance of precipitation near 100 percent. .THURSDAY...Cloudy with snow and chance of rain in the morning, then partly cloudy with slight chance of rain in the afternoon. Snow accumulation up to 3 inches. Highs 45 to 50. North winds 10 to 20 mph. Gusts up to 35 mph in the morning. Chance of precipitation 90 percent. .THURSDAY NIGHT...Partly cloudy. A 20 percent chance of rain in the evening. Lows 30 to 35. Southwest winds up to 10 mph. .FRIDAY...Warmer. Partly cloudy in the morning, then mostly cloudy with a 40 percent chance of rain in the afternoon. Highs 60 to 65. Southwest winds 5 to 15 mph. .FRIDAY NIGHT...Partly cloudy with a 20 percent chance of rain. Lows around 40. Southwest winds up to 10 mph. .SATURDAY...Rain showers likely and slight chance of thunderstorms. Highs 60 to 65. Chance of precipitation 70 percent. .SATURDAY NIGHT...Mostly cloudy with a 50 percent chance of rain. Lows 40 to 45. .SUNDAY...Mostly cloudy with a 30 percent chance of rain. Highs 60 to 65. .SUNDAY NIGHT...Partly cloudy. Lows around 40. .MEMORIAL DAY AND MONDAY NIGHT...Mostly clear. Highs 65 to 70. Lows around 45. .TUESDAY...Warmer, sunny. Highs 70 to 80. .TUESDAY NIGHT...Partly cloudy with a 20 percent chance of rain. Lows around 50. .WEDNESDAY...Partly cloudy with a 20 percent chance of thunderstorms. Highs 70 to 80. $$ MTZ317-231000- Little Belt and Highwood Mountains- Including Monarch, Neihart, and Kings Hill Pass 225 PM MDT Wed May 22 2024 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 6 PM MDT THURSDAY... .TONIGHT...Rain showers, chance of thunderstorms and snow showers in the evening, then rain showers, snow showers and slight chance of thunderstorms after midnight. Some thunderstorms may produce heavy rainfall in the evening. Some thunderstorms may produce heavy rainfall after midnight. Snow may be heavy at times in the evening. Snow accumulation of 8 to 11 inches. Snow level 6500 feet. Lows 30 to 35. Northeast winds 5 to 15 mph. Chance of precipitation near 100 percent. .THURSDAY...Snow and rain in the morning, then slight chance of rain and snow in the afternoon. Snow may be heavy at times in the morning. Snow accumulation of 6 to 9 inches. Snow level 5500 feet. Highs 40 to 45. North winds 5 to 15 mph. Gusts up to 30 mph in the morning. Chance of precipitation near 100 percent. .THURSDAY NIGHT...Partly cloudy. Chance of rain and slight chance of snow in the evening. Patchy fog after midnight. Lows 25 to 30. Southwest winds up to 10 mph. Chance of precipitation 30 percent. .FRIDAY...Not as cool. Partly cloudy in the morning, then mostly cloudy with chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 50 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 35 to 40. Southwest winds up to 10 mph. .SATURDAY...Rain showers likely and chance of thunderstorms. Highs 55 to 60. Chance of precipitation 70 percent. .SATURDAY NIGHT...Rain showers likely and slight chance of thunderstorms. Light snow accumulations. Lows 35 to 40. Chance of precipitation 70 percent. .SUNDAY...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 50 to 55. Chance of precipitation 50 percent. .SUNDAY NIGHT...Partly cloudy with a 20 percent chance of rain. Lows 35 to 40. .MEMORIAL DAY AND MONDAY NIGHT...Mostly clear. Highs 60 to 65. Lows 40 to 45. .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 45 to 50. .WEDNESDAY...Partly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 65 to 75. Chance of precipitation 40 percent. $$ MTZ318-231000- Snowy and Judith Mountains- 225 PM MDT Wed May 22 2024 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 6 AM TO 6 PM MDT THURSDAY... .TONIGHT...Rain showers and chance of thunderstorms in the evening, then rain showers, snow showers and slight chance of thunderstorms after midnight. Snow may be heavy at times after midnight. Snow accumulation of 2 to 5 inches. Lows 30 to 35. Northeast winds 5 to 15 mph. Gusts up to 30 mph after midnight. Chance of precipitation near 100 percent. .THURSDAY...Breezy, cooler. Patchy blowing snow in the morning. Snow and rain in the morning, then chance of rain and snow in the afternoon. Visibility one quarter mile or less at times in the morning. Snow accumulation of 7 to 10 inches. Snow level 5500 feet. Highs 40 to 45. North winds 15 to 25 mph. Chance of precipitation near 100 percent. .THURSDAY NIGHT...Partly cloudy. A 20 percent chance of rain and snow in the evening. Lows around 30. Northwest winds 5 to 10 mph shifting to the southwest after midnight. .FRIDAY...Not as cool. Partly cloudy in the morning, then mostly cloudy with 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. A 20 percent chance of thunderstorms in the evening. Lows 35 to 40. West winds 5 to 10 mph shifting to the south after midnight. .SATURDAY...Rain showers likely and chance of thunderstorms. Highs 55 to 60. Chance of precipitation 70 percent. .SATURDAY NIGHT...Rain showers likely and slight chance of thunderstorms. Lows 35 to 40. Chance of precipitation 70 percent. .SUNDAY...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 55 to 60. Chance of precipitation 50 percent. .SUNDAY NIGHT...Partly cloudy with a 20 percent chance of rain. Lows 35 to 40. .MEMORIAL DAY AND MONDAY NIGHT...Mostly clear. Highs 60 to 65. Lows 40 to 45. .TUESDAY...Warmer, sunny. Highs 65 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 75. Chance of precipitation 30 percent. $$ MTZ319-231000- Helena Valley- Including Helena 225 PM MDT Wed May 22 2024 .TONIGHT...Colder. Rain showers and chance of thunderstorms in the evening, then rain showers and slight chance of thunderstorms after midnight. Lows in the mid 30s. Northwest winds 5 to 15 mph. Gusts up to 30 mph after midnight. Chance of precipitation near 100 percent. .THURSDAY...Mostly cloudy. Rain in the morning, then slight chance of rain in the afternoon. Highs 50 to 55. Northwest winds 10 to 20 mph. Chance of rain 90 percent. .THURSDAY NIGHT...Partly cloudy. Lows 30 to 35. Southwest winds 5 to 10 mph. .FRIDAY...Warmer. Partly cloudy. A 20 percent chance of thunderstorms in the afternoon. Highs around 65. South winds up to 5 mph shifting to the west in the afternoon. .FRIDAY NIGHT...Partly cloudy. A 20 percent chance of rain in the evening. Lows around 40. Southwest winds up to 10 mph. .SATURDAY...Rain showers likely and slight chance of thunderstorms. Highs around 65. Chance of precipitation 70 percent. .SATURDAY NIGHT...Mostly cloudy with a 50 percent chance of rain. Lows around 40. .SUNDAY...Mostly cloudy with a 20 percent chance of rain. Highs around 65. .SUNDAY NIGHT...Partly cloudy. Lows around 40. .MEMORIAL DAY AND MONDAY NIGHT...Mostly clear. Highs 70 to 75. Lows around 45. .TUESDAY...Sunny. Highs around 80. .TUESDAY NIGHT...Partly cloudy. Lows around 50. .WEDNESDAY...Partly cloudy with a 20 percent chance of thunderstorms. Highs around 80. && TEMPERATURE / PRECIPITATION Helena 37 55 36 67 / 100 90 10 20 $$ MTZ320-231000- Big Belt, Bridger and Castle Mountains- Including Trident, Maudlow, Battle Ridge Pass, Bozeman Pass, and Deep Creek Pass 225 PM MDT Wed May 22 2024 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 6 PM MDT THURSDAY... .TONIGHT...Rain showers, chance of thunderstorms and snow showers in the evening, then snow showers, rain showers and slight chance of thunderstorms after midnight. Areas of blowing snow after midnight. Visibility one quarter mile or less at times after midnight. Snow accumulation of 7 to 10 inches. Snow level 6500 feet. Lows 30 to 35. Northwest winds 5 to 15 mph. Gusts up to 30 mph after midnight. Chance of precipitation near 100 percent. .THURSDAY...Patchy blowing snow in the morning. Snow and rain in the morning, then chance of snow and slight chance of rain in the afternoon. Snow may be heavy at times in the morning. Visibility one quarter mile or less at times in the morning. Snow accumulation of 7 to 10 inches. Snow level 6000 feet. Highs 40 to 45. North winds 10 to 20 mph with gusts to around 35 mph. Chance of precipitation near 100 percent. .THURSDAY NIGHT...Partly cloudy. A 20 percent chance of rain and snow in the evening. Lows 25 to 30. Southwest winds up to 10 mph. .FRIDAY...Not as cool. Partly cloudy in the morning, then mostly cloudy with chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 50 to 60. Southwest winds 5 to 15 mph. Chance of precipitation 40 percent. .FRIDAY NIGHT...Partly cloudy with a 20 percent chance of rain. Lows 35 to 40. Southwest winds 5 to 10 mph shifting to the south after midnight. .SATURDAY...Rain showers likely and chance of thunderstorms. Highs 50 to 60. Chance of precipitation 70 percent. .SATURDAY NIGHT...Rain showers likely and slight chance of thunderstorms. Light snow accumulations. Lows 35 to 40. Chance of precipitation 70 percent. .SUNDAY...Mostly cloudy with chance of rain showers, snow and slight chance of thunderstorms. Highs 50 to 60. Chance of precipitation 50 percent. .SUNDAY NIGHT...Partly cloudy. Lows 35 to 40. .MEMORIAL DAY AND MONDAY NIGHT...Mostly clear. Highs 60 to 65. Lows 40 to 45. .TUESDAY...Warmer, sunny. Highs 65 to 75. .TUESDAY NIGHT...Partly cloudy. Lows 45 to 50. .WEDNESDAY...Partly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 65 to 75. Chance of precipitation 30 percent. $$ MTZ321-231000- Meagher County Valleys- Including Martinsdale, Checkerboard, Ringling, and White Sulphur Springs 225 PM MDT Wed May 22 2024 .TONIGHT...Rain showers and chance of thunderstorms in the evening, then rain showers, snow showers and slight chance of thunderstorms after midnight. Snow accumulation up to 1 inch. Lows around 30. North winds 5 to 15 mph. Chance of precipitation near 100 percent. .THURSDAY...Rain and chance of snow in the morning, then chance of snow and slight chance of rain in the afternoon. Snow accumulation up to 3 inches. Highs 45 to 50. North winds 10 to 20 mph. Chance of precipitation near 100 percent. .THURSDAY NIGHT...Partly cloudy. A 20 percent chance of rain in the evening. Patchy fog after midnight. Lows 25 to 30. West winds 5 to 10 mph shifting to the southwest after midnight. .FRIDAY...Not as cool. Partly cloudy. Patchy fog in the morning. Chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 55 to 60. Southwest winds 5 to 15 mph. Chance of precipitation 40 percent. .FRIDAY NIGHT...Partly cloudy. A 20 percent chance of thunderstorms in the evening. Lows around 35. West winds 5 to 15 mph shifting to the south up to 5 mph after midnight. .SATURDAY...Rain showers likely and chance of thunderstorms. Highs around 60. Chance of precipitation 70 percent. .SATURDAY NIGHT...Rain showers likely and slight chance of thunderstorms. Lows 35 to 40. Chance of precipitation 70 percent. .SUNDAY...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 55 to 60. Chance of precipitation 50 percent. .SUNDAY NIGHT...Partly cloudy. Lows around 35. .MEMORIAL DAY THROUGH TUESDAY...Mostly clear. Highs 65 to 75. Lows around 40. .TUESDAY NIGHT...Partly cloudy. Lows around 45. .WEDNESDAY...Partly cloudy with chance of rain showers and slight chance of thunderstorms. Highs around 75. Chance of precipitation 30 percent. $$ MTZ322-231000- Elkhorn and Boulder Mountains- Including Montana City, Clancy, Boulder, Corbin, Wickes, Elk Park Pass, and Homestake Pass 225 PM MDT Wed May 22 2024 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING TO NOON MDT THURSDAY... .TONIGHT...Colder. Rain showers, snow showers and chance of thunderstorms in the evening, then snow showers and slight chance of thunderstorms after midnight. Areas of blowing snow after midnight. Snow may be heavy at times. Visibility one quarter mile or less at times after midnight. Snow accumulation of 17 to 23 inches. Snow level 6000 feet. Lows 25 to 35. Northwest winds 5 to 15 mph. Gusts up to 30 mph after midnight. Chance of precipitation near 100 percent. .THURSDAY...Patchy blowing snow in the morning. Snow and rain in the morning, then chance of snow and slight chance of rain in the afternoon. Snow may be heavy at times in the morning. Visibility one quarter mile or less at times in the morning. Snow accumulation of 6 to 9 inches. Snow level 6000 feet. Highs 40 to 45. North winds 10 to 20 mph with gusts to around 35 mph. Chance of precipitation near 100 percent. .THURSDAY NIGHT...Partly cloudy. A 20 percent chance of rain and snow in the evening. Lows 25 to 30. Southwest winds up to 10 mph. .FRIDAY...Not as cool. Partly cloudy. A 20 percent chance of thunderstorms in the afternoon. Highs 50 to 60. Southwest 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 and snow after midnight. Lows 30 to 40. West winds up to 10 mph. Chance of precipitation 20 percent. .SATURDAY...Rain showers likely and slight chance of thunderstorms. Highs 50 to 60. Chance of precipitation 70 percent. .SATURDAY NIGHT...Mostly cloudy with a 50 percent chance of rain and snow. Lows 35 to 40. .SUNDAY...Mostly cloudy with chance of rain showers, snow and slight chance of thunderstorms. Highs 50 to 60. Chance of precipitation 40 percent. .SUNDAY NIGHT...Partly cloudy. Lows 30 to 40. .MEMORIAL DAY AND MONDAY NIGHT...Mostly clear. Highs 60 to 65. Lows 40 to 45. .TUESDAY...Warmer, sunny. Highs 65 to 75. .TUESDAY NIGHT...Partly cloudy. Lows 40 to 50. .WEDNESDAY...Partly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 65 to 75. Chance of precipitation 30 percent. $$ MTZ323-231000- Canyon Ferry Area- Including Toston, Townsend, and Winston 225 PM MDT Wed May 22 2024 .TONIGHT...Colder. Rain showers and chance of thunderstorms in the evening, then rain showers, snow showers and slight chance of thunderstorms after midnight. Snow accumulation up to 1 inch. Lows 30 to 35. Northwest winds 5 to 15 mph. Gusts up to 30 mph after midnight. Chance of precipitation near 100 percent. .THURSDAY...Breezy. Rain and snow in the morning, then chance of rain in the afternoon. Snow accumulation up to 1 inch. Highs around 50. Northwest winds 15 to 25 mph. Chance of precipitation near 100 percent. .THURSDAY NIGHT...Partly cloudy. Lows 30 to 35. West winds 5 to 10 mph shifting to the south after midnight. .FRIDAY...Partly cloudy. A 20 percent chance of thunderstorms in the afternoon. Highs around 60. Southwest winds 5 to 15 mph. .FRIDAY NIGHT...Partly cloudy with a 20 percent chance of rain in the evening, then mostly cloudy after midnight. Lows around 40. West winds 5 to 10 mph shifting to the south after midnight. .SATURDAY...Rain showers likely and chance of thunderstorms. Highs 60 to 65. Chance of precipitation 70 percent. .SATURDAY NIGHT...Mostly cloudy with a 50 percent chance of rain. Lows 40 to 45. .SUNDAY...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 60 to 65. Chance of precipitation 40 percent. .SUNDAY NIGHT...Partly cloudy. Lows around 40. .MEMORIAL DAY AND MONDAY NIGHT...Mostly clear. Highs around 70. Lows 45 to 50. .TUESDAY...Sunny. Highs 75 to 80. .TUESDAY NIGHT...Partly cloudy. Lows around 50. .WEDNESDAY...Partly cloudy with a 20 percent chance of thunderstorms. Highs 75 to 80. $$ MTZ324-231000- Missouri Headwaters- Including Harrison, Three Forks, Willow Creek, Pony, and Whitehall 225 PM MDT Wed May 22 2024 ...WINTER WEATHER ADVISORY NOW IN EFFECT FROM MIDNIGHT TONIGHT TO 6 PM MDT THURSDAY... .TONIGHT...Colder. Rain showers and chance of thunderstorms in the evening, then rain showers, snow showers and slight chance of thunderstorms after midnight. Snow accumulation of 1 to 4 inches. Lows 30 to 35. Northwest winds 5 to 15 mph. Chance of precipitation near 100 percent. .THURSDAY...Rain and snow in the morning, then chance of rain in the afternoon. Snow accumulation up to 2 inches. Highs 45 to 50. Northwest winds 10 to 15 mph with gusts to around 30 mph. Chance of precipitation near 100 percent. .THURSDAY NIGHT...Mostly clear. Lows around 30. Southwest winds up to 10 mph. .FRIDAY...Warmer. Partly cloudy. A 20 percent chance of thunderstorms in the afternoon. Highs 60 to 65. Southwest winds 5 to 15 mph. .FRIDAY NIGHT...Partly cloudy with a 20 percent chance of thunderstorms in the evening, then mostly cloudy after midnight. Lows 35 to 40. Southwest winds 5 to 15 mph. .SATURDAY...Rain showers likely and chance of thunderstorms. Highs 60 to 65. Chance of precipitation 70 percent. .SATURDAY NIGHT...Mostly cloudy with a 50 percent chance of rain. Lows around 40. .SUNDAY...Mostly cloudy with chance of rain and slight chance of thunderstorms. Highs 60 to 65. Chance of precipitation 40 percent. .SUNDAY NIGHT...Partly cloudy. Lows 35 to 40. .MEMORIAL DAY THROUGH TUESDAY...Mostly clear. Highs 70 to 80. Lows around 45. .TUESDAY NIGHT...Partly cloudy. Lows 45 to 50. .WEDNESDAY...Partly cloudy with a 20 percent chance of thunderstorms. Highs 75 to 80. $$ MTZ325-231000- Madison River Valley- Including Cameron, Ennis, Jeffers, McAllister, and Norris 225 PM MDT Wed May 22 2024 ...WINTER WEATHER ADVISORY NOW IN EFFECT FROM MIDNIGHT TONIGHT TO 6 PM MDT THURSDAY... .TONIGHT...Colder. Rain showers and chance of thunderstorms in the evening, then snow showers, rain showers and slight chance of thunderstorms after midnight. Snow accumulation of 1 to 4 inches. Lows around 30. Southeast winds 5 to 15 mph shifting to the southwest 5 to 10 mph after midnight. Chance of precipitation near 100 percent. .THURSDAY...Cooler. Snow and rain in the morning, then rain showers, snow showers and slight chance of thunderstorms in the afternoon. Snow accumulation up to 3 inches. Snow level 5500 feet. Highs in the mid 40s. Northwest winds 5 to 15 mph. Chance of precipitation near 100 percent. .THURSDAY NIGHT...Mostly clear. Lows around 30. South winds 5 to 10 mph. .FRIDAY...Not as cool. Sunny 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...Mostly cloudy. A 20 percent chance of thunderstorms in the evening. Lows 35 to 40. South winds 5 to 15 mph. .SATURDAY...Rain showers likely and chance of thunderstorms. Highs around 60. Chance of precipitation 70 percent. .SATURDAY NIGHT...Rain likely. Lows 35 to 40. Chance of rain 70 percent. .SUNDAY...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 55 to 60. Chance of precipitation 40 percent. .SUNDAY NIGHT...Partly cloudy. Lows 35 to 40. .MEMORIAL DAY THROUGH TUESDAY...Mostly clear. Highs 65 to 75. Lows 40 to 45. .TUESDAY NIGHT...Partly cloudy. Lows 45 to 50. .WEDNESDAY...Partly cloudy with a 20 percent chance of thunderstorms. Highs 75 to 80. $$ MTZ326-231000- Gallatin Valley- Including Bozeman and Gallatin Gateway 225 PM MDT Wed May 22 2024 ...WINTER WEATHER ADVISORY NOW IN EFFECT FROM MIDNIGHT TONIGHT TO 6 PM MDT THURSDAY... .TONIGHT...Colder. Rain showers and chance of thunderstorms in the evening, then rain showers, snow showers and slight chance of thunderstorms after midnight. Snow accumulation up to 2 inches. Lows 30 to 35. West winds up to 10 mph. Chance of precipitation near 100 percent. .THURSDAY...Snow and rain in the morning, then chance of rain in the afternoon. Snow accumulation of 1 to 4 inches. Highs 45 to 50. Northwest winds 5 to 15 mph. Chance of precipitation near 100 percent. .THURSDAY NIGHT...Mostly clear. Patchy fog after midnight. Lows around 30. South winds up to 10 mph. .FRIDAY...Not as cool. Sunny in the morning, then partly cloudy with a 20 percent chance of thunderstorms in the afternoon. Highs around 60. South winds up to 10 mph shifting to the west in the afternoon. .FRIDAY NIGHT...Partly cloudy in the evening then becoming mostly cloudy. Lows 35 to 40. Southwest winds 5 to 10 mph shifting to the southeast after midnight. .SATURDAY...Rain showers likely and chance of thunderstorms. Highs 60 to 65. Chance of precipitation 70 percent. .SATURDAY NIGHT...Rain showers likely and slight chance of thunderstorms. Lows around 40. Chance of precipitation 70 percent. .SUNDAY...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs 60 to 65. Chance of precipitation 50 percent. .SUNDAY NIGHT...Partly cloudy. Lows 35 to 40. .MEMORIAL DAY AND MONDAY NIGHT...Mostly clear. Highs around 70. Lows around 45. .TUESDAY...Sunny. Highs around 75. .TUESDAY NIGHT...Partly cloudy. Lows around 50. .WEDNESDAY...Partly cloudy with a 20 percent chance of thunderstorms. Highs 75 to 80. && TEMPERATURE / PRECIPITATION Bozeman Airport 32 49 28 63 / 100 100 10 20 Bozeman MSU 33 46 29 60 / 100 100 10 20 $$ MTZ330-231000- Gallatin and Madison County Mountains and Centennial Mountains- Including Big Sky, West Yellowstone, Targhee Pass, and Raynolds Pass 225 PM MDT Wed May 22 2024 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 6 PM MDT THURSDAY... .TONIGHT...Colder. Snow showers, rain showers and chance of thunderstorms in the evening, then snow showers and slight chance of thunderstorms after midnight. Snow may be heavy at times after midnight. Snow accumulation of 9 to 15 inches. Lows 20 to 30. Southwest winds 5 to 15 mph. Chance of precipitation near 100 percent. .THURSDAY...Snow in the morning, then snow showers and slight chance of thunderstorms in the afternoon. Snow may be heavy at times in the morning. Snow accumulation of 7 to 10 inches. Highs 30 to 40. Northwest winds 5 to 15 mph. Chance of precipitation near 100 percent. .THURSDAY NIGHT...Mostly clear. Patchy fog after midnight. Lows 20 to 25. West winds up to 10 mph shifting to the south after midnight. .FRIDAY...Not as cool. Sunny in the morning, then partly cloudy with chance of snow showers and slight chance of thunderstorms in the afternoon. Highs 45 to 55. Southwest winds 5 to 15 mph. Chance of precipitation 30 percent. .FRIDAY NIGHT...Mostly cloudy. A 20 percent chance of thunderstorms and snow showers in the evening. Lows 30 to 35. South winds 5 to 15 mph. .SATURDAY...Rain showers likely, chance of thunderstorms and snow. Light snow accumulations. Highs 45 to 55. Chance of precipitation 70 percent. .SATURDAY NIGHT...Rain likely and chance of snow. Light snow accumulations. Lows 30 to 35. Chance of precipitation 70 percent. .SUNDAY...Mostly cloudy with chance of rain showers, snow showers and slight chance of thunderstorms. Highs 45 to 55. Chance of precipitation 50 percent. .SUNDAY NIGHT...Partly cloudy. Lows 30 to 35. .MEMORIAL DAY AND MONDAY NIGHT...Mostly clear. Highs 55 to 65. Lows 35 to 40. .TUESDAY...Sunny. Highs 60 to 70. .TUESDAY NIGHT...Partly cloudy. Lows 40 to 45. .WEDNESDAY...Partly cloudy with a 20 percent chance of thunderstorms. Highs 60 to 70. && TEMPERATURE / PRECIPITATION West Yellowstone 25 43 24 54 / 90 90 10 20 $$ MTZ327-231000- Northwest Beaverhead County- Including Dewey, Wisdom, Wise River, Big Hole Pass, and Chief Joseph Pass 225 PM MDT Wed May 22 2024 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING TO NOON MDT THURSDAY... .TONIGHT...Colder. Snow showers and chance of thunderstorms in the evening, then snow showers and slight chance of thunderstorms after midnight. Areas of blowing snow after midnight. Snow may be heavy at times. Visibility one quarter mile or less at times after midnight. Snow accumulation of 11 to 17 inches. Lows 20 to 30. Northwest winds 5 to 15 mph. Gusts up to 30 mph after midnight. Chance of precipitation near 100 percent. .THURSDAY...Patchy blowing snow in the morning. Snow in the morning, then chance of snow and rain in the afternoon. Snow accumulation of 2 to 5 inches. Highs 35 to 45. Northwest winds 5 to 15 mph. Gusts up to 30 mph in the morning. Chance of precipitation near 100 percent. .THURSDAY NIGHT...Mostly clear. Patchy fog after midnight. Lows 20 to 25. West winds up to 10 mph. .FRIDAY...Not as cool. Partly cloudy. A 20 percent chance of rain and snow in the afternoon. Highs 45 to 55. Southwest winds up to 10 mph. .FRIDAY NIGHT...Mostly cloudy. Chance of rain showers, snow showers and slight chance of thunderstorms in the evening, then slight chance of rain and snow after midnight. Lows 30 to 35. West winds up to 10 mph shifting to the southwest after midnight. Chance of precipitation 40 percent. .SATURDAY...Rain showers likely, chance of thunderstorms and snow. Light snow accumulations. Highs 45 to 55. Chance of precipitation 70 percent. .SATURDAY NIGHT...Mostly cloudy with a 50 percent chance of rain and snow. Lows 30 to 35. .SUNDAY...Mostly cloudy with a 20 percent chance of rain and snow. Highs 45 to 55. .SUNDAY NIGHT AND MEMORIAL DAY...Mostly clear. Lows around 30. Highs 55 to 65. .MONDAY NIGHT AND TUESDAY...Mostly clear. Lows 35 to 40. Highs 60 to 70. .TUESDAY NIGHT...Partly cloudy. Lows 40 to 45. .WEDNESDAY...Partly cloudy with a 20 percent chance of thunderstorms. Highs 60 to 70. $$ MTZ328-231000- Beaverhead and Western Madison below 6000ft- Including Bannack, Dillon, Glen, and Waterloo 225 PM MDT Wed May 22 2024 ...WINTER WEATHER ADVISORY NOW IN EFFECT FROM MIDNIGHT TONIGHT TO 6 PM MDT THURSDAY... .TONIGHT...Colder. Rain showers, snow showers and chance of thunderstorms in the evening, then snow showers and slight chance of thunderstorms after midnight. Snow accumulation of 7 to 13 inches. Snow level 5500 feet. Lows around 30. Northwest winds 5 to 15 mph. Chance of precipitation near 100 percent. .THURSDAY...Snow and rain in the morning, then chance of rain and snow in the afternoon. Snow accumulation of 3 to 6 inches. Snow level 5500 feet. Highs 45 to 50. Northwest winds 5 to 15 mph. Chance of precipitation near 100 percent. .THURSDAY NIGHT...Mostly clear. Lows 25 to 30. Southwest winds up to 10 mph. .FRIDAY...Not as cool. Sunny in the morning, then partly cloudy with a 20 percent chance of rain in the afternoon. Highs 55 to 60. Southwest winds 5 to 15 mph. .FRIDAY NIGHT...Mostly cloudy. A 20 percent chance of thunderstorms in the evening. Lows around 35. Southwest winds up to 10 mph. .SATURDAY...Rain showers likely and chance of thunderstorms. Highs 55 to 60. Chance of precipitation 70 percent. .SATURDAY NIGHT...Mostly cloudy with a 50 percent chance of rain. Lows around 35. .SUNDAY...Mostly cloudy with a 20 percent chance of thunderstorms. Highs 55 to 60. .SUNDAY NIGHT...Partly cloudy. Lows 35 to 40. .MEMORIAL DAY THROUGH TUESDAY...Mostly clear. Highs 65 to 75. Lows 40 to 45. .TUESDAY NIGHT...Partly cloudy. Lows 45 to 50. .WEDNESDAY...Partly cloudy with a 20 percent chance of thunderstorms. Highs 75 to 80. && TEMPERATURE / PRECIPITATION Dillon 30 47 26 60 / 90 100 0 10 $$ MTZ329-231000- Ruby Mountains and Southern Beaverhead Mountains- Including Monida Pass 225 PM MDT Wed May 22 2024 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING TO NOON MDT THURSDAY... .TONIGHT...Colder. Snow showers, chance of thunderstorms and rain showers in the evening, then snow showers and slight chance of thunderstorms after midnight. Snow may be heavy at times after midnight. Snow accumulation of 6 to 9 inches. Lows in the mid 20s. West winds 10 to 15 mph. Chance of precipitation near 100 percent. .THURSDAY...Patchy blowing snow in the morning. Snow in the morning, then chance of snow and rain in the afternoon. Snow accumulation of 3 to 6 inches. Highs 35 to 40. Northwest winds 10 to 20 mph. Chance of precipitation near 100 percent. .THURSDAY NIGHT...Mostly clear. Lows 20 to 25. West winds up to 10 mph shifting to the south after midnight. .FRIDAY...Not as cool. Sunny in the morning, then partly cloudy with a 20 percent chance of thunderstorms in the afternoon. Highs 45 to 55. South winds 5 to 15 mph. .FRIDAY NIGHT...Mostly cloudy. A 20 percent chance of thunderstorms and snow showers in the evening. Lows 30 to 35. South winds 5 to 15 mph. .SATURDAY...Rain showers likely, chance of thunderstorms and snow. Highs 50 to 55. Chance of precipitation 70 percent. .SATURDAY NIGHT...Mostly cloudy with a 50 percent chance of rain and snow. Lows 30 to 35. .SUNDAY...Mostly cloudy with chance of rain, snow and slight chance of thunderstorms. Highs 50 to 55. Chance of precipitation 40 percent. .SUNDAY NIGHT...Partly cloudy. Lows 30 to 35. .MEMORIAL DAY THROUGH TUESDAY...Mostly clear. Highs 60 to 70. Lows 35 to 40. .TUESDAY NIGHT...Partly cloudy. Lows 40 to 45. .WEDNESDAY...Partly cloudy with a 20 percent chance of thunderstorms. Highs 65 to 70. $$ http://www.weather.gov/greatfalls https://www.twitter.com/NWSGreatFalls https://www.facebook.com/NWSGreatFalls