LEWISTOWN, MT 59457 Weather Forecast & Current Conditions

Local Weather
- Local weather by ZIP or City
- Local area snow depth
- CURRENT WEATHER MAPS
- - Fronts & Pressure Centers
- - Current U.S. Temperatures
- - Northwest U.S.
- - Northeast U.S.
- - Mid-Atlantic U.S.
- - Midwest U.S.
- - Central Plains U.S.
- - Southeast U.S.
- - Southern Plains U.S.
- - Southwest U.S.
- - Alaska
10 Day Forecasts
Other Forecasts
- Snowstorm Forecast
- U.S. 6-hourly Snowfall Forecast
- 3 DAY NAM MODEL FORECASTS
- - Clouds & Precipitation
- - Temperature
- 7 DAY NWS FORECASTS
- - Weather Type
- - Precip. Probability
- - High Temperatures
- - Low Temperatures
- - Cloud Cover
- - Wind
- - Relative Humidity
- - Dewpoint
- - Snowfall
- SEASONAL FORECASTS
- - Temperature
- - Precipitation
Severe Weather
Radar
- U.S. RADAR (NWS interactive)
- U.S. RADAR (by state)
Satellite

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

Regional Weather Maps

(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 5:00 AM PDT 9/10/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Thursday
10 SEP 2026

12 PM

78°

78°

Clear

1%

0% Thunder
( 0% severe)

W 14

24%

38°

High 83°

3 PM

82°

80°

Clear

W 16

18%

35°

Partly Cloudy

6 PM

80°

79°

Partly Cloudy

3%

0% Thunder
( 2% severe)

WNW 12

21%

37°

9 PM

67°

67°

Partly Cloudy

WNW 5

36%

39°

Friday
11 SEP 2026

12 AM

60°

60°

Partly Cloudy

18%
RAIN
<.01 in

0% Thunder
( 6% severe)

WSW 5

53%

43°

Low 46°

3 AM

54°

53°

Mostly Cloudy

WSW 5

74%

46°

High 61°

6 AM

50°

49°

Mostly Cloudy

87%
RAIN
***

0% Thunder
( 12% severe)

WSW 3

89%

47°

Mostly Cloudy

Rain Likely

9 AM

50°

48°

Mostly Cloudy

NNW 5

93%

48°

12 PM

53°

52°

Mostly Cloudy

45%
RAIN
.25–.5 in

0% Thunder
( 12% severe)

NW 5

77%

46°

3 PM

57°

55°

Mostly Cloudy

NNW 8

64%

45°

6 PM

58°

57°

Mostly Cloudy

8%

0% Thunder
( 3% severe)

NNW 7

55%

42°

9 PM

51°

50°

Mostly Cloudy

NW 3

71%

42°

Saturday
12 SEP 2026

12 AM

47°

46°

Mostly Cloudy

4%

0% Thunder
( 1% severe)

WSW 1

83%

42°

Low 40°

3 AM

45°

44°

Overcast

ESE 2

86%

41°

High 61°

6 AM

45°

44°

Mostly Cloudy

13%
RAIN
<.01 in

0% Thunder
( 3% severe)

E 3

86%

41°

Mostly Cloudy

9 AM

47°

44°

Mostly Cloudy

E 6

83%

42°

12 PM

53°

51°

Mostly Cloudy

6%

0% Thunder
( 1% severe)

E 7

64%

41°

3 PM

59°

57°

Mostly Cloudy

E 10

51%

41°

6 PM

59°

56°

Mostly Cloudy

E 16

51%

41°


LEWISTOWN, MT extended weather forecast
Sunday 13 SEP 2026	Monday 14 SEP 2026	Tuesday 15 SEP 2026	Wednesday 16 SEP 2026	Thursday 17 SEP 2026
Low 41°	Low 43°	Low 37°	Low 35°	Low 38°
High 60°	High 60°	High 55°	High 61°	High 72°

Overcast 38% Rain	Overcast 59% Rain	Overcast 36% Rain	Partly Cloudy 16% Rain	Clear 6% Rain

WEATHER SELECT BOX EXAMPLES:

for LOCAL WEATHER:
SNOW DEPTH:
LOCAL WEATHER RADAR:
STATE WEATHER MAP:

Lewistown, MT
Lewistown, MT snow
Lewistown, MT radar
MT map

-or-
-or-
-or-

59457
59457 snow
59457 radar

-or-
-or-

MT
MT snow

Copyright © 2026 WeatherStreet.com

Put our free WeatherStreet weather lookup on your web page.

Terms & Conditions
This is not clickable - please e-mail us separately

This is not clickable - please e-mail us separately