Thursday
Mostly sunny
High:
89°F
A 50 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 89. Calm wind becoming south 5 to 8 mph in the afternoon. Winds could gust as high as 18 mph.
Helena, MT Weather - Extended Forecast
Thursday Night
Slight chance of thunderstorms
Overnight low:
59°F
A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Mostly cloudy, with a low around 59. South southwest wind around 6 mph. Chance of precipitation is 20%.
Friday
Mostly sunny
High:
86°F
Mostly sunny, with a high near 86. Light southwest wind becoming west southwest 5 to 10 mph in the afternoon. Winds could gust as high as 21 mph.
Friday Night
Mostly cloudy
Overnight low:
57°F
Mostly cloudy, with a low around 57. Southwest wind 3 to 8 mph.
Saturday
Partly sunny
High:
80°F
Saturday Night
Chance of showers and thunderstorms
Overnight low:
51°F
Sunday
Chance of showers and thunderstorms
High:
76°F
Sunday Night
Mostly clear
Overnight low:
50°F
Monday
Sunny
High:
79°F
Monday Night
Partly cloudy
Overnight low:
54°F
Tuesday
Sunny
High:
80°F