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Plains, MT Weather

It is 49°F in Plains, MT, observed at 11:26 AM MDT. Today: Light Rain Likely, high 52°F, low 34°F. Hourly and 7-day forecast from the National Weather Service. Times are local (MDT).

Plains, MT current weather

49°F

Chance Light Rain

H 52° / L 34°Feels like 47°

Observed at PLAINS (0.5 mi away), 10/28/2026, 11:26 AM MDT

Hourly forecast

NWS, updated 10/28/2026, 11:22 AM PT

  1. Now47°45%
  2. 1 PM50°33%
  3. 2 PM52°50%
  4. 3 PM52°66%
  5. 4 PM51°66%
  6. 5 PM48°59%
  7. 6 PM45°59%
  8. 7 PM40°34%
  9. 8 PM38°22%
  10. 9 PM38°16%
  11. 10 PM37°17%
  12. 11 PM36°
  13. 12 AM37°Thu
  14. 1 AM36°
  15. 2 AM37°
  16. 3 AM36°
  17. 4 AM36°
  18. 5 AM35°16%
  19. 6 AM36°
  20. 7 AM35°
  21. 8 AM35°
  22. 9 AM36°
  23. 10 AM39°
  24. 11 AM40°
  25. 12 PM43°
  26. 1 PM47°
  27. 2 PM50°
  28. 3 PM49°
  29. 4 PM50°
  30. 5 PM48°
  31. 6 PM45°
  32. 7 PM41°
  33. 8 PM36°
  34. 9 PM35°
  35. 10 PM33°
  36. 11 PM32°
  37. 12 AM32°Fri
  38. 1 AM31°
  39. 2 AM29°
  40. 3 AM28°
  41. 4 AM27°
  42. 5 AM27°
  43. 6 AM26°
  44. 7 AM27°
  45. 8 AM27°
  46. 9 AM28°
  47. 10 AM32°
  48. 11 AM36°

7-day forecast

Tap a day for details

  • Today10/2866% chance of precipitationLow 34°High 52°

    This Afternoon: Rain likely. Mostly cloudy, with a high near 52. Southwest wind around 5 mph. Chance of precipitation is 70%.

    Tonight: Rain likely before 11pm, then areas of fog between midnight and 5am, then areas of fog and a slight chance of rain and snow. Mostly cloudy, with a low around 34. South wind 0 to 3 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.

    Light Rain Likely
  • Thu10/29Low 25°High 51°

    Thursday: Areas of fog before 1pm. Partly sunny, with a high near 51. North wind around 2 mph.

    Thursday Night: Mostly cloudy, with a low around 25. Northeast wind around 1 mph.

    Areas Of Fog
  • Fri10/30Low 27°High 52°

    Friday: Mostly cloudy, with a high near 52. East northeast wind around 2 mph.

    Friday Night: Mostly cloudy, with a low around 27.

    Mostly Cloudy
  • Sat10/3153% chance of precipitationLow 30°High 55°

    Saturday: Partly sunny, with a high near 55.

    Saturday Night: A chance of rain. Mostly cloudy, with a low around 30. New rainfall amounts less than a tenth of an inch possible.

    Partly Sunny
  • Sun11/149% chance of precipitationLow 26°High 52°

    Sunday: A chance of rain. Mostly cloudy, with a high near 52.

    Sunday Night: A slight chance of rain before 11pm. Mostly cloudy, with a low around 26.

    Chance Light Rain
  • Mon11/2Low 26°High 54°

    Monday: Mostly sunny, with a high near 54.

    Monday Night: Mostly cloudy, with a low around 26.

    Mostly Sunny
  • Tue11/3Low 27°High 56°

    Tuesday: Partly sunny, with a high near 56.

    Tuesday Night: Mostly cloudy, with a low around 27.

    Partly Sunny

Forecast for 47.461, -114.886 from the NWS MSO office, updated 10/28/2026, 11:22 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. Now47°Chance Light Rain45%3 mph
  2. 1 PM50°Chance Light Rain33%3 mph
  3. 2 PM52°Chance Light Rain50%3 mph
  4. 3 PM52°Light Rain Likely66%5 mph
  5. 4 PM51°Light Rain Likely66%5 mph
  6. 5 PM48°Light Rain Likely59%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 (last 50 min) and GOES

Latest

Frequently asked questions

What is the weather in Plains, MT right now?
The latest observation from PLAINS was 49°F, reported at 10/28/2026, 11:26 AM MDT.
What is the high temperature today in Plains, MT?
The National Weather Service forecast for this afternoon calls for a high near 52°F. Light Rain Likely.
Will it rain in Plains, MT in the next 24 hours?
The hourly forecast shows a 50% chance of precipitation around 10/28/2026, 2:00 PM MDT.
What time is sunrise and sunset in Plains, MT today?
Sunrise is about 8:17 AM MDT and sunset is about 6:28 PM MDT (calculated for the center of the area, within a few minutes).
What is the normal October weather in Plains, MT?
At Saint Regis 1 NE, the 1991 to 2020 normal high in October is 59°F and the normal low is 32°F.

Rain and snow totals

Next 3 days, NWS forecast grid

Rain (liquid)
0.06 in
Snow
0.00 in
Ice
--

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: Bras Fire (1,688 acres), Nugget Hill Fire (70 acres), Barren Fire (0 acres)

Drought

By county

Sanders County, week of 10/20/2026

91% of the county is abnormally dry. No drought.

Sun and moon

Local time, center of the area

Sunrise
8:17 AM
Sunset
6:28 PM
Daylight
10 hr 11 min
Moon
Waning Gibbous 92% lit
First light (civil dawn)
7:46 AM
Last light (civil dusk)
7 PM
Moonrise
7:37 PM
Moonset
11:49 AM

Normal October weather

Climate

Normal October high 59°, low 32°. 1991 to 2020 normals at Saint Regis 1 NE, 15 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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