Local Forecast

Lewistown, MT Weather Forecast & Alerts

Current conditions, 5-day forecast, and active NWS weather alerts for Lewistown, MT.

No Active Alerts

Hour-by-Hour  Current Observation

Saturday 8:20 PM MDTSaturday 8:20 PM

°F °C
Regional Observations →
60°F

Mostly Cloudy

  • 55° / 46° High / Low
  • 60° Feels Like
  • 0% Chance of Rain

Wind

8 mph

W

UV Index

1

Low

Humidity

72%

Dew 51°F

Sun

5:24 AM · 9:16 PM

Rise · Set

Source: LEWISTOWN (KLWT). Slider scrubs the next 12 hours.

5-Day Outlook

Through Friday

Local Radar →

Today

55° 46°

Rain

Overnight: Rain

Detailed forecast

Today

Rain. Cloudy, with a high near 54. West southwest wind 14 to 21 mph, with gusts as high as 32 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

Night

Rain before 4am. Mostly cloudy, with a low around 46. West wind 14 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.

Tuesday

71° 46°

Forecast Missing

Overnight: Forecast Missing

Detailed forecast

Tuesday

A chance of rain showers after 7am. Partly sunny, with a high near 70. West wind 8 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.

Night

A slight chance of rain showers after midnight. Partly cloudy, with a low around 46. Southwest wind around 5 mph. Chance of precipitation is 20%.

Wednesday

73° 46°

Forecast Missing

Overnight: Forecast Missing

Detailed forecast

Wednesday

A chance of rain showers before noon, then showers and thunderstorms likely. Mostly cloudy, with a high near 71. West wind around 5 mph. Chance of precipitation is 70%.

Night

A chance of showers and thunderstorms before 9pm, then a chance of showers and thunderstorms between 9pm and midnight. Mostly cloudy, with a low around 46. South southwest wind around 5 mph. Chance of precipitation is 50%.

Thursday

75° 48°

Forecast Missing

Overnight: Forecast Missing

Detailed forecast

Thursday

A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 74. West southwest wind 1 to 6 mph.

Night

A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 48. South southeast wind around 5 mph.

Friday

73° 48°

Forecast Missing

Overnight: Forecast Missing

Detailed forecast

Friday

Showers and thunderstorms likely after noon. Partly sunny, with a high near 72.

Night

Showers and thunderstorms likely. Mostly cloudy, with a low around 47.

Lewistown, MT Weather Analysis Tools