Local Forecast

Lewistown, MT Weather Forecast & Alerts

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

Active Alerts 1 active

Hour-by-Hour  Current Observation

Monday 2:40 PM MDTMonday 2:40 PM

°F °C
Regional Observations →
66°F

Clear

  • 71° / 46° High / Low
  • 66° Feels Like
  • 0% Chance of Rain

Wind

12 mph

WSW

UV Index

9

Very High

Humidity

17%

Dew 19°F

Sun

5:22 AM · 9:10 PM

Rise · Set

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

5-Day Outlook

Through Friday

Local Radar →

Today

71° 46°

Forecast Missing

Overnight: Forecast Missing

Detailed forecast

Today

Sunny, with a high near 71. Southwest wind around 9 mph, with gusts as high as 18 mph.

Night

Mostly cloudy. Low around 47, with temperatures rising to around 50 overnight. South southeast wind 6 to 14 mph, with gusts as high as 24 mph.

Tuesday

69° 41°

Forecast Missing

Overnight: Forecast Missing

Detailed forecast

Tuesday

A slight chance of showers and thunderstorms between noon and 1pm, then showers and thunderstorms likely between 1pm and 4pm, then a chance of showers and thunderstorms. Mostly cloudy. High near 68, with temperatures falling to around 63 in the afternoon. West wind 6 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.

Night

A chance of showers and thunderstorms before 8pm, then a slight chance of showers and thunderstorms between 8pm and 9pm. Mostly cloudy, with a low around 41. West wind 10 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 30%.

Wednesday

59° 39°

Forecast Missing

Overnight: Forecast Missing

Detailed forecast

Wednesday

A chance of rain showers between noon and 3pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 58. West wind 17 to 25 mph, with gusts as high as 37 mph. Chance of precipitation is 40%.

Night

Rain showers likely. Cloudy, with a low around 39. West northwest wind 20 to 24 mph, with gusts as high as 38 mph. Chance of precipitation is 70%.

Thursday

64° 39°

Forecast Missing

Overnight: Forecast Missing

Detailed forecast

Thursday

A slight chance of rain showers before noon, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 64. West northwest wind 16 to 20 mph, with gusts as high as 29 mph.

Night

Mostly clear, with a low around 41. West wind 5 to 15 mph, with gusts as high as 24 mph.

Friday

64° 39°

Forecast Missing

Overnight: Forecast Missing

Detailed forecast

Friday

Sunny, with a high near 66.

Night

A slight chance of rain showers after midnight. Mostly clear, with a low around 42.

Lewistown, MT Weather Analysis Tools