Severe Weather Possible from Tenn. Valley to New England

The NWS Storm Prediction Center is forecasting a risk of severe thunderstorms Wednesday afternoon and evening across parts of the Tennessee Valley northeastward across the lower Great Lakes and into New England. The main threats will be damaging winds and large hail, especially across the lower Great Lakes region.
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Helena MT

Today

Showers Likely Chance for Measurable Precipitation 70%

Showers
Likely

High: 68 °F

Tonight

Rain Likely Chance for Measurable Precipitation 70%

Rain
Likely

Low: 43 °F

Thursday

Rain Likely Chance for Measurable Precipitation 60%

Rain
Likely

High: 59 °F

Thursday
Night

Showers Likely Chance for Measurable Precipitation 60%

Showers
Likely

Low: 43 °F

Friday

Chance Showers Chance for Measurable Precipitation 50%

Chance
Showers

High: 62 °F

Friday
Night

Chance Thunderstorms Chance for Measurable Precipitation 40%

Chance
Thunderstorms

Low: 41 °F

Saturday

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

High: 71 °F

Saturday
Night

Slight Chance Thunderstorms

Slight Chc
Thunderstorms

Low: 44 °F

Sunday

Chance Thunderstorms

Chance
Thunderstorms

High: 72 °F

7-DAY FORECAST

  • Today Isolated showers, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 68. East wind 8 to 10 mph. Chance of precipitation is 70%.
  • Tonight Showers likely and possibly a thunderstorm before midnight, then rain likely after midnight. Mostly cloudy, with a low around 43. West southwest wind 6 to 8 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
  • Thursday Rain likely before noon, then showers likely after noon. Mostly cloudy, with a high near 59. West wind 7 to 9 mph becoming north northeast in the afternoon. Chance of precipitation is 60%.
  • Thursday Night Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 43. North northeast wind 7 to 9 mph becoming northwest after midnight. Chance of precipitation is 60%.
  • Friday A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 62. Southwest wind 5 to 9 mph. Chance of precipitation is 50%.
  • Friday Night A chance of showers and thunderstorms before midnight, then a slight chance of showers. Mostly cloudy, with a low around 41. Chance of precipitation is 40%.
  • Saturday A slight chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 71. Chance of precipitation is 20%.
  • Saturday Night A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 44.
  • Sunday A chance of showers and thunderstorms. Mostly cloudy, with a high near 72.
  • Sunday Night A chance of showers and thunderstorms. Mostly cloudy, with a low around 46.
  • Memorial Day A chance of showers and thunderstorms. Mostly cloudy, with a high near 69.
  • Monday Night A chance of showers and thunderstorms. Mostly cloudy, with a low around 46.
  • Tuesday A chance of showers and thunderstorms. Mostly cloudy, with a high near 70.

 

ADDITIONAL FORECASTS AND INFORMATION

Zone Area Forecast for Central and Southern Lewis and Clark, MT