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Weather for 59457 — Lewistown, MT

Conditions and forecast for the exact centre of ZIP code 59457 (47.056, -109.420), not a nearby airport.

39°

Clear sky

Feels like:
31°
Humidity:
43%
Wind:
9 mph
Dew point:
17°

Source updated: 2:57:25 PM · WeatherSignal checked: 2:57:25 PM

Source: Open-Meteo (national weather-service models)

Next 12 hours in 59457

3 PM

45°

0%

4 PM

52°

0%

5 PM

57°

0%

6 PM

62°

0%

7 PM

64°

0%

8 PM

66°

0%

9 PM

68°

0%

10 PM

67°

0%

11 PM

63°

0%

12 AM

56°

0%

1 AM

51°

0%

2 AM

50°

0%

7 day forecast for 59457

  • Today

    68° / 39°

    0% rain · 11 mph wind

  • Saturday, Oct 17

    70° / 49°

    0% rain · 13 mph wind

  • Sunday, Oct 18

    61° / 41°

    0% rain · 11 mph wind

  • Monday, Oct 19

    66° / 41°

    0% rain · 10 mph wind

  • Tuesday, Oct 20

    59° / 45°

    0% rain · 4 mph wind

  • Wednesday, Oct 21

    56° / 40°

    0% rain · 7 mph wind

  • Thursday, Oct 22

    66° / 45°

    0% rain · 5 mph wind

About ZIP code 59457

59457 covers Lewistown in Montana. Forecasts on this page are generated for the coordinates at the centre of the ZIP code, so small differences from a nearby city forecast are expected and usually correct.

Closest cities with full forecast pages: Billings (98 mi), Spokane (377 mi), Boise City (406 mi), Salt Lake City (451 mi).

Nearby ZIP codes

Severe weather warnings are issued by the National Weather Service for counties and polygons that may not line up with ZIP code boundaries. Always follow official warnings for your exact address.

Planning your week in Lewistown 59457, Montana

  • The warmest afternoon ahead is tomorrow, reaching about 70°F.
  • The coldest night ahead dips to about 39°F.
  • This is a dry stretch — most days show rain chances under 20%, good for outdoor plans.

Common questions about Lewistown 59457, Montana weather

How accurate is the Lewistown 59457, Montana forecast?
The next 48 hours are usually reliable on temperature and sky cover, with timing that can shift by an hour or two. Days three and four are dependable for the overall pattern. Beyond that, treat the numbers as a planning direction rather than a promise — we label confidence on every day so you can judge for yourself.
What is the best day this week in Lewistown 59457, Montana?
No day in the current outlook has a rain chance above 40%, so conditions look favorable for outdoor plans across the week.
Where does this forecast come from?
Forecast values come from national weather model data, and official warnings come from the National Weather Service. We show the source and the last-updated time on every page, and we never invent a number the source did not publish — missing measurements are hidden, not guessed.
How often is this page updated?
The forecast refreshes whenever the source model publishes new data, typically several times a day. The freshness note near the top of the page shows exactly when the numbers you are looking at were issued.

More weather for Lewistown 59457, Montana

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