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Forty Mile Colony, MT 59050 Weather

It is 36°F in Forty Mile Colony, MT 59050, observed at 9:18 PM MDT. Tonight: Mostly Cloudy then Patchy Fog, low 35°F. Hourly and 7-day forecast from the National Weather Service. Times are local (MDT).

Forty Mile Colony, MT 59050 current weather

36°F

Mostly Cloudy

H -- / L 35°Feels like 30°

  • No rain expected in the next 12 hours

Observed at WOLF MOUNTAIN (12.1 mi away), 10/30/2026, 9:18 PM MDT

Hourly forecast

NWS, updated 10/30/2026, 5:47 PM PT

  1. Now37°
  2. 11 PM36°
  3. 12 AM35°Sat
  4. 1 AM35°
  5. 2 AM35°
  6. 3 AM35°12%
  7. 4 AM35°11%
  8. 5 AM36°13%
  9. 6 AM35°23%
  10. 7 AM35°23%
  11. 8 AM35°25%
  12. 9 AM38°27%
  13. 10 AM43°26%
  14. 11 AM45°26%
  15. 12 PM47°26%
  16. 1 PM50°27%
  17. 2 PM52°24%
  18. 3 PM52°16%
  19. 4 PM53°12%
  20. 5 PM52°10%
  21. 6 PM49°
  22. 7 PM46°
  23. 8 PM43°
  24. 9 PM42°
  25. 10 PM41°
  26. 11 PM40°
  27. 12 AM38°Sun
  28. 1 AM38°
  29. 1 AM37°
  30. 2 AM37°
  31. 3 AM38°
  32. 4 AM38°
  33. 5 AM37°
  34. 6 AM36°
  35. 7 AM37°
  36. 8 AM39°
  37. 9 AM44°
  38. 10 AM49°
  39. 11 AM54°12%
  40. 12 PM56°12%
  41. 1 PM57°12%
  42. 2 PM57°12%
  43. 3 PM56°12%
  44. 4 PM54°12%
  45. 5 PM52°60%
  46. 6 PM50°60%
  47. 7 PM48°60%
  48. 8 PM46°60%

7-day forecast

Tap a day for details

  • Today10/3013% chance of precipitationLow 35°High

    Tonight: Patchy fog after midnight. Mostly cloudy, with a low around 35. North northwest wind around 3 mph.

    Mostly Cloudy then Patchy Fog
  • Sat10/3127% chance of precipitationLow 36°High 53°

    Saturday: Areas of fog and a chance of rain showers before 4pm. Mostly cloudy, with a high near 53. North northwest wind around 5 mph. Chance of precipitation is 30%.

    Saturday Night: Patchy fog after 9pm. Mostly cloudy, with a low around 36. Southeast wind around 3 mph.

    Areas Of Fog
  • Sun11/195% chance of precipitationLow 39°High 58°

    Sunday: Patchy fog before 8am, then rain showers likely. Mostly cloudy. High near 58, with temperatures falling to around 52 in the afternoon. East southeast wind around 3 mph. Chance of precipitation is 60%.

    Sunday Night: Rain showers. Cloudy, with a low around 39. Northwest wind 3 to 23 mph. Chance of precipitation is 100%.

    Patchy Fog then Rain Showers Likely
  • Mon11/292% chance of precipitationLow 33°High 49°

    Monday: Rain showers. Mostly cloudy. High near 49, with temperatures falling to around 47 in the afternoon. Northwest wind 6 to 23 mph. Chance of precipitation is 90%.

    Monday Night: A slight chance of rain showers before 11pm. Partly cloudy, with a low around 33. West wind around 7 mph. Chance of precipitation is 20%.

    Rain Showers
  • Tue11/3Low 36°High 60°

    Tuesday: Mostly sunny. High near 60, with temperatures falling to around 53 in the afternoon. South wind 1 to 7 mph.

    Tuesday Night: Partly cloudy, with a low around 36. South wind 1 to 5 mph.

    Mostly Sunny
  • Wed11/4Low 34°High 57°

    Wednesday: Mostly sunny. High near 57, with temperatures falling to around 50 in the afternoon. North northwest wind 1 to 5 mph.

    Wednesday Night: Partly cloudy, with a low around 34. Southeast wind around 3 mph.

    Mostly Sunny
  • Thu11/5Low 36°High 58°

    Thursday: Mostly sunny. High near 58, with temperatures falling to around 52 in the afternoon. North northeast wind 1 to 5 mph.

    Thursday Night: Partly cloudy, with a low around 36. South southwest wind 1 to 5 mph.

    Mostly Sunny
  • Fri11/613% chance of precipitationLow High 59°

    Friday: Mostly sunny. High near 59, with temperatures falling to around 53 in the afternoon. West wind 0 to 5 mph.

    Mostly Sunny

Forecast for 45.229, -107.385 from the NWS BYZ office, updated 10/30/2026, 5:47 PM 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. Now37°Mostly Cloudy2%2 mph
  2. 11 PM36°Partly Cloudy3%2 mph
  3. 12 AM35°Patchy Fog2%1 mph
  4. 1 AM35°Patchy Fog1%1 mph
  5. 2 AM35°Patchy Fog2%2 mph
  6. 3 AM35°Patchy Fog12%3 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 Forty Mile Colony, MT 59050 right now?
The latest observation from WOLF MOUNTAIN was 36°F, reported at 10/30/2026, 9:18 PM MDT.
Will it rain in Forty Mile Colony, MT 59050 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 Forty Mile Colony, MT 59050 today?
Sunrise is about 7:46 AM MDT and sunset is about 6:00 PM MDT (calculated for the center of the area, within a few minutes).
What is the normal October weather in Forty Mile Colony, MT 59050?
At Wyola 1 SW, the 1991 to 2020 normal high in October is 61°F and the normal low is 29°F.

Rain and snow totals

Next 3 days, NWS forecast grid

Rain (liquid)
0.78 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: Randall Fire (100 acres), Border Fire (100 acres), 1583 Fire (1 acre)

Drought

By county

Big Horn County, week of 10/27/2026

89% of the county is in moderate drought or worse.

Sun and moon

Local time, center of the area

Sunrise
7:46 AM
Sunset
6 PM
Daylight
10 hr 14 min
Moon
Waning Gibbous 74% lit
First light (civil dawn)
7:15 AM
Last light (civil dusk)
6:30 PM
Moonrise
9:31 PM
Moonset
1:16 PM

Normal October weather

Climate

Normal October high 61°, low 29°, precipitation 1.83 in for the month. 1991 to 2020 normals at Wyola 1 SW, 7 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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