Lewistown, MT 10-Day Weather Forecast

Fergus County10:01 PM MDT47.06°N, 109.43°WElevation 3,947 ft

Overview

  1. TonightOct 21 Mostly Clear Mostly Clear45°
  2. ThuOct 22 Sunny Sunny15%45°75°
  3. FriOct 23 Rain Rain0.7 in snow96%24°54°
  4. SatOct 24 Mostly Sunny Mostly Sunny<0.1 in snow23°42°
  5. TodayOct 25 Mostly Sunny Mostly Sunny15%22°43°
  6. MonOct 26 Partly Sunny Partly Sunny15%26°48°
  7. TueOct 27 Chance Rain And Snow Chance Rain And Snow33%26°50°
  8. WedOct 28 Slight Chance Light Snow then Mostly Sunny Slight Chance Light Snow then Mostly Sunny0.3 in snow20%45°
  9. ThuOct 29 Sunny Sunny21°43°
  10. FriOct 30 Sunny Sunny27°48°

Days after the National Weather Service's seven are MET Norway's outlook, a computer model with no forecaster's review.

Tonight October 21

Mostly Clear
Tonight
Low 45°
Mostly Clear

Mostly clear. Low around 45, with temperatures rising to around 48 overnight. South southeast wind 3 to 9 mph.

Precip 1%Wind SSE 3 to 9 mph

Thursday October 22

Sunny
Thursday
High 75°
Sunny

Sunny. High near 75, with temperatures falling to around 72 in the afternoon. South wind 1 to 5 mph.

Precip 2%Wind S 1 to 5 mph
Mostly Cloudy then Slight Chance Light Rain
Thursday Night
Low 45°
Mostly Cloudy then Slight Chance Light Rain

A slight chance of rain after 5am. Mostly cloudy. Low around 45, with temperatures rising to around 49 overnight. Southeast wind 3 to 9 mph. Chance of precipitation is 20%.

Precip 15%Wind SE 3 to 9 mph
Rain/precip total0.00 in
Gusts to16 mph
UV index3 Moderate
Sunrise7:46 AM
Sunset6:19 PM
Daylight10 h 32 min
Moon Waxing Gibbous (87%)

Friday October 23

Rain
Friday
High 54°
Rain

Rain. Mostly cloudy, with a high near 54. West southwest wind 2 to 23 mph, with gusts as high as 36 mph. Chance of precipitation is 100%.

Precip 96%Wind WSW 2 to 23 mph
Rain And Snow
Friday Night
Low 24°
Rain And Snow

Rain and snow. Mostly cloudy, with a low around 24. West northwest wind 20 to 28 mph, with gusts as high as 40 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

Precip 93%Wind WNW 20 to 28 mph
Rain/precip total0.47 in
Snow0.7 in
Gusts to40 mph
Thunder10%
UV index3 Moderate
Sunrise7:48 AM
Sunset6:18 PM
Daylight10 h 29 min
Moon Waxing Gibbous (93%)

Saturday October 24

Mostly Sunny
Saturday
High 42°
Mostly Sunny

Mostly sunny, with a high near 42. West wind 1 to 7 mph, with gusts as high as 20 mph.

Precip 0%Wind W 1 to 7 mph
Mostly Clear
Saturday Night
Low 23°
Mostly Clear

Mostly clear, with a low around 23. East wind 2 to 6 mph.

Precip 3%Wind E 2 to 6 mph
Rain/precip total<0.01 in
Snow<0.1 in
Gusts to38 mph
UV index3 Moderate
Sunrise7:49 AM
Sunset6:16 PM
Daylight10 h 26 min
Moon Waxing Gibbous (97%)

Today October 25

Mostly Sunny
Sunday
High 43°
Mostly Sunny

Mostly sunny, with a high near 43. East wind 2 to 6 mph.

Precip 8%Wind E 2 to 6 mph
Partly Cloudy then Slight Chance Light Snow
Sunday Night
Low 22°
Partly Cloudy then Slight Chance Light Snow

A slight chance of snow after midnight. Partly cloudy, with a low around 22.

Precip 15%Wind ESE 3 to 8 mph
Rain/precip total0.00 in
Gusts to14 mph
Sunrise7:51 AM
Sunset6:14 PM
Daylight10 h 23 min
Moon Full Moon (100%)

Tomorrow October 26

Partly Sunny
Monday
High 48°
Partly Sunny

Partly sunny, with a high near 48.

Precip 13%Wind E 3 mph
Slight Chance Light Snow
Monday Night
Low 26°
Slight Chance Light Snow

A slight chance of snow before 9pm, then a slight chance of rain and snow. Mostly cloudy, with a low around 26.

Precip 15%Wind SSE 5 mph
Rain/precip total0.00 in
Gusts to10 mph
Sunrise7:52 AM
Sunset6:12 PM
Daylight10 h 20 min
Moon Full Moon (99%)

Tuesday October 27

Chance Rain And Snow
Tuesday
High 50°
Chance Rain And Snow

A chance of rain and snow. Partly sunny, with a high near 50.

Precip 30%Wind WSW 5 mph
Chance Rain And Snow
Tuesday Night
Low 26°
Chance Rain And Snow

A chance of rain and snow. Mostly cloudy, with a low around 26. New snow accumulation of less than half an inch possible.

Precip 33%Wind W 7 mph
Rain/precip total0.08 in
Gusts to13 mph
Sunrise7:54 AM
Sunset6:11 PM
Daylight10 h 17 min
Moon Waning Gibbous (97%)

Wednesday October 28

Slight Chance Light Snow then Mostly Sunny
Wednesday
High 45°
Slight Chance Light Snow then Mostly Sunny

A slight chance of snow before noon. Mostly sunny, with a high near 45.

Precip 20%Wind W 6 mph
Rain/precip total0.06 in
Snow0.3 in
Gusts to13 mph
Sunrise7:55 AM
Sunset6:09 PM
Daylight10 h 13 min
Moon Waning Gibbous (91%)

Thursday October 29

Extended outlook
Sunny
Thursday
High 43°
Sunny
Cloudy
Thursday Night
Low 21°
Cloudy
Rain/precip total0.00 in
Sunrise7:57 AM
Sunset6:08 PM
Daylight10 h 10 min
Moon Waning Gibbous (84%)

Friday October 30

Extended outlook
Sunny
Friday
High 48°
Sunny
Clear
Friday Night
Low 27°
Clear
Rain/precip total0.00 in
Sunrise7:58 AM
Sunset6:06 PM
Daylight10 h 7 min
Moon Waning Gibbous (74%)

National Weather Service forecast updated 4 days ago.

Forecasts, observations and alerts in the United States come from the National Weather Service (NOAA); radar from NOAA's Multi-Radar Multi-Sensor system; satellite imagery from NASA's Global Imagery Browse Services (GIBS) and NOAA's GOES satellites; the map from the U.S. Geological Survey's National Map; air quality from AirNow (EPA and its partners); hurricane information from the National Hurricane Center; climate normals and records from NOAA's Regional Climate Centers (ACIS). Forecasts outside the United States and the UV index: MET Norway (CC BY 4.0); observations outside the U.S.: airport reports via NOAA's Aviation Weather Center. Place names: GeoNames (CC BY 4.0). Data are copied on a schedule and may lag the sources; for warnings that affect your safety, follow your local National Weather Service office and emergency officials. Weather news is drawn from the 4Search index and reflects what the press published. Terms of use. How to use Weather