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Lewistown, MT 59457 Weather

It is 31°F in Lewistown, MT 59457, observed at 5:30 PM MDT. Tonight: Mostly Cloudy, low 28°F. Hourly and 7-day forecast from the National Weather Service. Times are local (MDT).

Lewistown, MT 59457 current weather

31°F

Mostly Cloudy

H -- / L 28°Feels like 23°

  • No rain expected in the next 12 hours

Observed at Lewistown Divide MT-200 MP 90.3 (6.8 mi away), 10/30/2026, 5:30 PM MDT

Hourly forecast

NWS, updated 10/30/2026, 11:32 AM PT

  1. Now43°
  2. 7 PM39°
  3. 8 PM37°
  4. 9 PM35°
  5. 10 PM35°
  6. 11 PM35°
  7. 12 AM35°Sat
  8. 1 AM34°
  9. 2 AM33°
  10. 3 AM32°
  11. 4 AM31°
  12. 5 AM31°
  13. 6 AM29°
  14. 7 AM30°
  15. 8 AM30°
  16. 9 AM33°11%
  17. 10 AM38°16%
  18. 11 AM41°17%
  19. 12 PM43°13%
  20. 1 PM47°13%
  21. 2 PM47°
  22. 3 PM47°
  23. 4 PM48°
  24. 5 PM47°
  25. 6 PM45°
  26. 7 PM43°
  27. 8 PM39°
  28. 9 PM39°
  29. 10 PM39°
  30. 11 PM39°
  31. 12 AM39°Sun
  32. 1 AM39°
  33. 1 AM38°
  34. 2 AM37°
  35. 3 AM37°
  36. 4 AM37°
  37. 5 AM35°
  38. 6 AM36°
  39. 7 AM37°
  40. 8 AM38°
  41. 9 AM42°
  42. 10 AM46°
  43. 11 AM50°19%
  44. 12 PM51°19%
  45. 1 PM51°19%
  46. 2 PM50°19%
  47. 3 PM49°19%
  48. 4 PM47°19%

7-day forecast

Tap a day for details

  • Today10/30Low 28°High

    Tonight: Mostly cloudy. Low around 28, with temperatures rising to around 31 overnight. Southeast wind 0 to 7 mph.

    Mostly Cloudy
  • Sat10/3117% chance of precipitationLow 34°High 49°

    Saturday: A slight chance of snow between 10am and 11am, then a slight chance of rain between 11am and noon. Mostly cloudy, with a high near 49. Northwest wind around 2 mph. Chance of precipitation is 20%.

    Saturday Night: Mostly cloudy, with a low around 34. Southeast wind around 3 mph.

    Slight Chance Light Snow then Mostly Cloudy
  • Sun11/193% chance of precipitationLow 33°High 52°

    Sunday: Rain after 11am. Mostly cloudy, with a high near 52. East wind around 5 mph. Chance of precipitation is 90%.

    Sunday Night: Rain before 2am, then rain and snow. Cloudy, with a low around 33. North northwest wind 5 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 90%.

    Light Rain
  • Mon11/236% chance of precipitationLow 29°High 46°

    Monday: A chance of snow before 11am. Mostly sunny, with a high near 46. West northwest wind 1 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 40%.

    Monday Night: Mostly clear, with a low around 29. Southwest wind 1 to 6 mph.

    Chance Light Snow then Mostly Sunny
  • Tue11/3Low 32°High 56°

    Tuesday: Mostly sunny, with a high near 56. Southwest wind 1 to 6 mph.

    Tuesday Night: Partly cloudy, with a low around 32.

    Mostly Sunny
  • Wed11/4Low 30°High 50°

    Wednesday: Mostly sunny, with a high near 50.

    Wednesday Night: Partly cloudy, with a low around 30.

    Mostly Sunny
  • Thu11/5Low 33°High 53°

    Thursday: Mostly sunny, with a high near 53.

    Thursday Night: Partly cloudy, with a low around 33.

    Mostly Sunny
  • Fri11/612% chance of precipitationLow High 54°

    Friday: Mostly sunny, with a high near 54.

    Mostly Sunny

Forecast for 47.085, -109.406 from the NWS TFX office, updated 10/30/2026, 11:32 AM PT · Official forecast on weather.gov

From the National Weather Service; may be delayed. Not for life-safety decisions. In an emergency, call 911.

Next 6 hours

NWS hourly forecast

  1. Now43°Mostly Cloudy1%5 mph
  2. 7 PM39°Mostly Cloudy1%5 mph
  3. 8 PM37°Mostly Cloudy1%6 mph
  4. 9 PM35°Mostly Cloudy1%7 mph
  5. 10 PM35°Mostly Cloudy2%6 mph
  6. 11 PM35°Partly Cloudy2%5 mph

Hourly details

Next 7 days: temperature chart, feels like, rain and snow amounts, sky cover, wind and gustsShow

Radar and satellite

National radar

NEXRAD (up to 24 hours) and GOES

Latest

Frequently asked questions

What is the weather in Lewistown, MT 59457 right now?
The latest observation from Lewistown Divide MT-200 MP 90.3 was 31°F, reported at 10/30/2026, 5:30 PM MDT.
Will it rain in Lewistown, MT 59457 in the next 24 hours?
The NWS hourly forecast does not show any hour with a 50% or higher chance of precipitation in the next 24 hours.
What time is sunrise and sunset in Lewistown, MT 59457 today?
Sunrise is about 7:58 AM MDT and sunset is about 6:04 PM MDT (calculated for the center of the area, within a few minutes).
What is the normal October weather in Lewistown, MT 59457?
At Lewistown, the 1991 to 2020 normal high in October is 57°F and the normal low is 34°F.

Rain and snow totals

Next 3 days, NWS forecast grid

Rain (liquid)
0.16 in
Snow
0.00 in
Ice
0.00 in

Nearby hazards

Montana hazards

Severe storm and flash flood outlooks, expected rain, river flooding and wildfires near this area

  • Severe storm outlook today:No thunderstorm risk area over this locationOutlook map
  • Excessive rainfall outlook (flash flood risk):Could not check the Weather Prediction Center outlook right now.
  • River gauges within 40 miles at or above flood stage: None reported
  • Active wildfires within 50 miles: None reported

Drought

By county

Fergus County, week of 10/27/2026

81% of the county is abnormally dry. No drought.

Sun and moon

Local time, center of the area

Sunrise
7:58 AM
Sunset
6:04 PM
Daylight
10 hr 6 min
Moon
Waning Gibbous 76% lit
First light (civil dawn)
7:26 AM
Last light (civil dusk)
6:36 PM
Moonrise
9:30 PM
Moonset
1:35 PM

Normal October weather

Climate

Normal October high 57°, low 34°. 1991 to 2020 normals at Lewistown, 1 mi away.

Other places nearby

Data sources

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About this data

Weather and emergencies: Weather, air quality and hazard information on this page is delayed and may be incomplete. It is not a substitute for official warnings. Always follow the National Weather Service, local emergency management and public safety officials. In an emergency, call 911. For evacuation orders, use your local official alert system.

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