National Weather Service Forecast for: 5 Miles NNW Helena MT
Issued by: National Weather Service Great Falls, MT
Updated: 3:25 am MDT Jun 20, 2025
 
Today

Today: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after noon. High near 70. Light north wind becoming north northwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Chance
Showers then
Showers
 Tonight

Tonight: Showers and possibly a thunderstorm before 4am, then a chance of showers and thunderstorms, mainly between 4am and 5am. Low around 43. Northwest wind 6 to 10 mph becoming west southwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Showers

 Saturday

Saturday: Rain likely before noon, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 61. West wind 10 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 60%.
Showers
Likely
 Saturday
Night
Saturday Night: Rain, mainly after midnight. Low around 39. Northwest wind 7 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 80%.
Chance Rain
then Rain
 Sunday

Sunday: Rain before noon, then showers and possibly a thunderstorm after noon. High near 50. Northwest wind 6 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 90%.
Showers

 Sunday
Night
Sunday Night: A 30 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 35. North wind 5 to 8 mph becoming southeast in the evening.
Chance
Showers then
Partly Cloudy
 Monday

Monday: A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 67. Southwest wind 3 to 7 mph.
Sunny then
Slight Chance
T-storms
 Monday
Night
Monday Night: Partly cloudy, with a low around 41. Southwest wind 5 to 7 mph becoming calm in the evening.
Partly Cloudy

 Tuesday

Tuesday: A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 73.
Sunny then
Slight Chance
T-storms
Hi 70 °F Lo 43 °F Hi 61 °F Lo 39 °F Hi 50 °F Lo 35 °F Hi 67 °F Lo 41 °F Hi 73 °F

 

Today
 
 A chance of showers and thunderstorms, then showers and possibly a thunderstorm after noon. High near 70. Light north wind becoming north northwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
 
 Showers and possibly a thunderstorm before 4am, then a chance of showers and thunderstorms, mainly between 4am and 5am. Low around 43. Northwest wind 6 to 10 mph becoming west southwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
 
 Rain likely before noon, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 61. West wind 10 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 60%.
Saturday Night
 
 Rain, mainly after midnight. Low around 39. Northwest wind 7 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 80%.
Sunday
 
 Rain before noon, then showers and possibly a thunderstorm after noon. High near 50. Northwest wind 6 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 90%.
Sunday Night
 
 A 30 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 35. North wind 5 to 8 mph becoming southeast in the evening.
Monday
 
 A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 67. Southwest wind 3 to 7 mph.
Monday Night
 
 Partly cloudy, with a low around 41. Southwest wind 5 to 7 mph becoming calm in the evening.
Tuesday
 
 A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 73.
Tuesday Night
 
 Partly cloudy, with a low around 45.
Wednesday
 
 A slight chance of showers and thunderstorms. Mostly sunny, with a high near 78.
Wednesday Night
 
 Mostly clear, with a low around 48.
Thursday
 
 A slight chance of showers and thunderstorms. Mostly sunny, with a high near 82.

 

Forecast from NOAA-NWS for 5 Miles NNW Helena MT.