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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Lewistown MT

This
Afternoon

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: 45 °F

Sunday

Showers Likely Chance for Measurable Precipitation 60%

Showers
Likely

High: 67 °F

Sunday
Night

Chance Thunderstorms Chance for Measurable Precipitation 40%

Chance
Thunderstorms

Low: 48 °F

Memorial
Day

Chance Thunderstorms Chance for Measurable Precipitation 50%

Chance
Thunderstorms

High: 63 °F

Monday
Night

Chance Thunderstorms Chance for Measurable Precipitation 40%

Chance
Thunderstorms

Low: 44 °F

Tuesday

Chance Thunderstorms Chance for Measurable Precipitation 30%

Chance
Thunderstorms

High: 66 °F

Tuesday
Night

Chance Thunderstorms

Chance
Thunderstorms

Low: 47 °F

Wednesday

Chance Thunderstorms

Chance
Thunderstorms

High: 62 °F

7-DAY FORECAST

  • This Afternoon A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 66. North northeast wind around 7 mph.
  • Tonight A 30 percent chance of showers and thunderstorms, mainly after midnight. Mostly cloudy, with a low around 45. East northeast wind around 6 mph becoming light and variable after midnight.
  • Sunday A slight chance of showers, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 67. Light and variable wind becoming east northeast 5 to 7 mph in the afternoon. Chance of precipitation is 60%.
  • Sunday Night A chance of showers and thunderstorms. Mostly cloudy, with a low around 48. Northeast wind around 7 mph becoming west southwest after midnight. Chance of precipitation is 40%.
  • Memorial Day A chance of showers, with thunderstorms also possible after noon. Mostly cloudy, with a high near 63. Light and variable wind becoming north northwest around 5 mph in the afternoon. Chance of precipitation is 50%.
  • Monday Night A chance of showers and thunderstorms before midnight, then a slight chance of showers. Mostly cloudy, with a low around 44. Chance of precipitation is 40%.
  • Tuesday A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 66. Chance of precipitation is 30%.
  • Tuesday Night A chance of showers and thunderstorms. Mostly cloudy, with a low around 47.
  • Wednesday A chance of showers and thunderstorms. Mostly cloudy, with a high near 62.
  • Wednesday Night A chance of showers and thunderstorms. Mostly cloudy, with a low around 45.
  • Thursday A chance of showers and thunderstorms. Mostly cloudy, with a high near 60.
  • Thursday Night A chance of showers and thunderstorms. Mostly cloudy, with a low around 43.
  • Friday A chance of showers and thunderstorms. Partly sunny, with a high near 58.

 

ADDITIONAL FORECASTS AND INFORMATION

Zone Area Forecast for Fergus County, MT