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Potential for storms across Montana

Posted at 8:49 AM, Jun 21, 2024

WEATHER DISCUSSION: High temperatures today will remain slightly above average in the 70’s and 80’s with lows in 50’s. Mostly sunny to partly sunny skies are expected with increasing clouds through the afternoon and evening. Thunderstorms develop and move through the area, today. Some thunderstorms are forecasted to become severe, producing gusty and erratic strong winds, large hail, frequent lightning and periods of heavy rain.

062124 Highs Today

A low amplitude upper level-trough enters our region, today, favorable for the development of severe thunderstorms. There is high confidence that some of these thunderstorms will become severe, although it looks like these storms will move through the area at a decent pace, some localized flash flooding is possible.

062124 Thunderstorm Outlook

Saturday through Sunday, a weak upper-level ridge builds into the area, favoring warming and drying conditions. Expect high temperatures in the 80’s on Saturday with mostly sunny and clear skies. By Sunday, low elevation high temperatures push into the 90s, and a few thunderstorms and rain showers have the possibility of developing. Gusty winds are also possible later in the day. Warmer temperatures look to continue through the upcoming work week.

FRIDAY: Showers likely and thunderstorms likely with possible severe storms. Mostly sunny to partly sunny then partly cloudy with highs in 70’s/80’s and lows in 50’s. 5-10 mph winds with gusts up to 20 mph.

SATURDAY: Mostly sunny then partly cloudy with highs in 80’s and lows in 50’s. 5 to 10 mph winds.

SUNDAY: Mostly sunny then partly cloudy with highs in 80’s/90’s and lows in 50’s. Gusts up to 40 mph.

MONDAY: Sunny then mostly clear with highs in 80’s and lows in 40’s/50’s. Gusts up to 30 mph.

TUESDAY: Sunny then mostly clear with highs in 70’s/80’s and lows in 50’s.

WEDNESDAY: Sunny then mostly clear with highs in 80’s/90’s and lows in 50’s.

THURSDAY: Slight chance of showers. Mostly sunny with highs in 80’s.

062124 Helena 7 day