Severe weather, heavy rainfall and unseasonably cold temperatures create a mixed bag of unsettled weather across the US this weekend.

Severe weather is possible across portions of the central and northern Plains today. Large hail and damaging winds will be the primary threats. Elsewhere, a wet and unseasonably cold weekend is expected for the Northeast, showers and thunderstorms with locally heavy rains are possible for portions of the Plains and Mississippi Valley and unsettled weather continues in the Pacific Northwest.
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4 Miles SW Helena MT

Today

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

High: 66 °F

Tonight

Chance Showers Chance for Measurable Precipitation 30%

Chance
Showers

Low: 39 °F

Sunday

Chance Thunderstorms Chance for Measurable Precipitation 50%

Chance
Thunderstorms

High: 70 °F

Sunday
Night

Chance Thunderstorms Chance for Measurable Precipitation 50%

Chance
Thunderstorms

Low: 43 °F

Memorial
Day

Chance Thunderstorms Chance for Measurable Precipitation 50%

Chance
Thunderstorms

High: 63 °F

Monday
Night

Chance Thunderstorms Chance for Measurable Precipitation 50%

Chance
Thunderstorms

Low: 41 °F

Tuesday

Chance Thunderstorms Chance for Measurable Precipitation 40%

Chance
Thunderstorms

High: 65 °F

Tuesday
Night

Chance Thunderstorms

Chance
Thunderstorms

Low: 43 °F

Wednesday

Chance Thunderstorms

Chance
Thunderstorms

High: 59 °F

7-DAY FORECAST

  • Today A 20 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 66. West southwest wind 3 to 5 mph.
  • Tonight A 30 percent chance of showers and thunderstorms, mainly before midnight. Mostly cloudy, with a low around 39. West wind 3 to 7 mph.
  • Sunday A slight chance of showers, then a chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 70. Calm wind. Chance of precipitation is 50%.
  • Sunday Night A chance of showers and thunderstorms. Mostly cloudy, with a low around 43. Northwest wind 7 to 9 mph. Chance of precipitation is 50%.
  • Memorial Day A chance of showers, with thunderstorms also possible after noon. Mostly cloudy, with a high near 63. West wind 3 to 6 mph. Chance of precipitation is 50%.
  • Monday Night A chance of showers and thunderstorms. Mostly cloudy, with a low around 41. Chance of precipitation is 50%.
  • Tuesday A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 65. Chance of precipitation is 40%.
  • Tuesday Night A chance of showers and thunderstorms. Mostly cloudy, with a low around 43.
  • Wednesday A chance of showers and thunderstorms. Mostly cloudy, with a high near 59.
  • Wednesday Night A chance of showers and thunderstorms. Mostly cloudy, with a low around 40.
  • Thursday A chance of showers and thunderstorms. Mostly cloudy, with a high near 56.
  • Thursday Night A chance of showers and thunderstorms. Mostly cloudy, with a low around 38.
  • Friday A chance of showers and thunderstorms. Partly sunny, with a high near 56.

 

ADDITIONAL FORECASTS AND INFORMATION

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