LEWISTOWN, MT 59457 Weather Forecast & Current Conditions

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59457 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
LEWISTOWN, MT Current Weather
3:54 AM MDT JUL 30, 2026
Clear 63°F
Feels Like:	64°F
Dewpoint:	52°F
Rel. Hum.:	67%
Visibility:	10 miles
Wind:	SSW at 3 mph
Pressure:	29.98 inches
Last 72 hours
Local Area Snow Depth
Montana Current Weather
Montana MOS Forecast Weather

Weather Map

(Automated weather data from NWS/FAA)

59457 WEATHER FORECAST
10-Day model forecast maps 2026 Hurricanes	LEWISTOWN, MT 59457 Weather Forecast	Snowfall Forecast pages Snow Depth pages

REST OF TODAY
Partly cloudy. Haze. Highs 75 to 85. Southeast winds 5 to 15 mph.

TONIGHT
Cloudy with a 20 percent chance of rain showers. Haze through the night. Lows 50 to 60. North winds 5 to 15 mph.

WEDNESDAY
Mostly cloudy with a 20 percent chance of rain showers. Haze. Highs 65 to 75. Northwest winds 5 to 15 mph.

WEDNESDAY NIGHT
Cooler. Partly cloudy. Lows 45 to 50. North winds 5 to 10 mph shifting to the south after midnight.

THURSDAY
Partly cloudy. A 20 percent chance of thunderstorms in the afternoon. Highs 70 to 80. Southeast winds up to 10 mph.

THURSDAY NIGHT AND FRIDAY
Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Lows 50 to 55. Highs 65 to 75. Chance of precipitation 50 percent.

FRIDAY NIGHT
Partly cloudy. Lows 45 to 50.

SATURDAY
Partly cloudy with a 20 percent chance of rain showers. Highs 65 to 75.

SATURDAY NIGHT
Mostly cloudy with a 40 percent chance of rain showers. Lows 45 to 50.

SUNDAY
Partly cloudy with a 20 percent chance of rain showers. Highs 65 to 75.

SUNDAY NIGHT
Mostly cloudy with a 20 percent chance of rain showers. Lows 45 to 50.

MONDAY
Mostly cloudy with a 40 percent chance of rain showers. Highs 65 to 75.

59457 WEATHER SATELLITE LOOPS

Visible Weather Satellite
LEWISTOWN, MT 59457

Infrared Weather Satellite
LEWISTOWN, MT 59457

59457 WEATHER RADAR LOOP

NEXRAD Weather Radar
LEWISTOWN, MT 59457

MOS COMPUTER WEATHER FORECAST

LEWISTOWN, MT 3 hourly weather forecast

weather forecast created 4:00 PM PST 10/25/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Monday
26 OCT 2026

11 PM

31°

22°

Partly Cloudy

0%

0% Thunder
( 0% severe)

ESE 10

67%

22°

Low 28°

2 AM

29°

21°

Partly Cloudy

ESE 8

77%

23°

High 50°

5 AM

29°

22°

Partly Cloudy

0%

0% Thunder
( 0% severe)

ESE 7

84%

25°

Partly Cloudy

8 AM

33°

28°

Partly Cloudy

ESE 6

78%

27°

11 AM

41°

37°

Clear

1%

0% Thunder
( 0% severe)

ESE 6

76%

34°

2 PM

46°

42°

Partly Cloudy

ESE 7

63%

34°

5 PM

44°

40°

Partly Cloudy

3%

0% Thunder
( 0% severe)

ESE 7

68%

34°

8 PM

37°

30°

Partly Cloudy

ESE 10

85%

33°

Tuesday
27 OCT 2026

11 PM

37°

32°

Mostly Cloudy

36%
RAIN
.01–.1 in

0% Thunder
( 4% severe)

ESE 7

85%

33°

Low 29°

2 AM

35°

32°

Mostly Cloudy

SSW 3

92%

33°

High 45°

5 AM

36°

33°

Mostly Cloudy

46%
RAIN
***

0% Thunder
( 0% severe)

SW 3

92%

34°

Mostly Cloudy

Chance of Rain

8 AM

37°

32°

Mostly Cloudy

WSW 6

89%

34°

11 AM

38°

28°

Partly Cloudy

29%
RAIN
.25–.5 in

0% Thunder
( 0% severe)

W 18

85%

34°

2 PM

40°

30°

Partly Cloudy

W 22

70%

31°

5 PM

43°

36°

Partly Cloudy

5%

0% Thunder
( 0% severe)

WSW 15

60%

30°

8 PM

38°

29°

Partly Cloudy

WSW 16

67%

28°


LEWISTOWN, MT extended weather forecast
BAD DAY BAD DATE	BAD DAY BAD DATE	BAD DAY BAD DATE	BAD DAY BAD DATE	BAD DAY BAD DATE
Low 34°	Low 30°	Low 27°	Low 32°	Low 32°
High 49°	High 51°	High 50°	High 51°	High 53°

Overcast 62% Rain	Partly Cloudy 12% Rain/Snow	Partly Cloudy 9% Rain/Snow	Overcast 14% Rain	Overcast 15% Rain

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