Outdoor conditions in

Roy

Montana
Now
  1. 34°Sunny0% rain66% humidityGusts 33 mph
  2. 36°Sunny0% rain62% humidityGusts 37 mph
  3. 38°Sunny0% rain58% humidityGusts 35 mph
  4. 39°Sunny0% rain55% humidityGusts 32 mph
  5. 41°Sunny0% rain53% humidityGusts 30 mph
  6. 42°Sunny0% rain51% humidityGusts 28 mph
  7. 42°Sunny0% rain49% humidityGusts 26 mph
  8. 44°Sunny0% rain49% humidityGusts 23 mph
  9. 43°Sunny0% rain49% humidityGusts 18 mph
  10. 41°Mostly Clear0% rain51% humidityGusts 12 mph
  11. 39°Mostly Clear0% rain56% humidityGusts 9 mph
  12. 35°Mostly Clear0% rain58% humidityGusts 10 mph
  13. 34°Mostly Clear0% rain63% humidityGusts 12 mph
  14. 33°Mostly Clear0% rain63% humidityGusts 13 mph
  15. 33°Mostly Clear0% rain61% humidityGusts 13 mph
  16. 32°Mostly Clear0% rain61% humidityGusts 15 mph
  17. 32°Mostly Clear0% rain61% humidityGusts 16 mph
  18. 32°Mostly Clear0% rain60% humidityGusts 18 mph
  19. 31°Partly Cloudy0% rain63% humidityGusts 18 mph
  20. 30°Partly Cloudy0% rain63% humidityGusts 15 mph
  21. 30°Mostly Clear0% rain63% humidityGusts 13 mph
  22. 30°Sunny0% rain62% humidityGusts 10 mph
  23. 31°Sunny0% rain58% humidityGusts 10 mph
  24. 32°Sunny0% rain55% humidityGusts 10 mph
Extra care for

A little farther out

The next five days

Today

Today looks breezy.

Rain
0%
Humidity
49–68%
Wind
37 mph
Fri

Friday looks fairly quiet.

Rain
0%
Humidity
28–63%
Wind
20 mph
Sat

Saturday looks fairly quiet.

Rain
0%
Humidity
17–34%
Wind
24 mph
Sun

Sunday looks breezy.

Rain
0%
Humidity
36–57%
Wind
29 mph
Mon

Monday looks fairly quiet.

Rain
2%
Humidity
39–63%
Wind
13 mph
  1. 44° / 33°Today looks breezy.0% rain · Humidity 49–68% · Wind 37 mph
  2. 66° / 30°Friday looks fairly quiet.0% rain · Humidity 28–63% · Wind 20 mph
  3. 77° / 49°Saturday looks fairly quiet.0% rain · Humidity 17–34% · Wind 24 mph
  4. 57° / 45°Sunday looks breezy.0% rain · Humidity 36–57% · Wind 29 mph
  5. 62° / 42°Monday looks fairly quiet.2% rain · Humidity 39–63% · Wind 13 mph

Environmental watch

Air quality + smoke

Air quality

Lewistown area · Updated Thu 9:25 AM
28GoodUS AQI

No fresh outlook yet.

Sky check

No plume detected overhead

Satellite view · Updated Thu 6:45 AM

Air near ground28 · Good US AQI

Rain, in motion · Past four hours

Roy radar

Ready when you areSee what is moving toward Roy.

Watch the last four hours of rain, then search any nearby trail, lake, or address.

View the official forecast ↗

Outdoor fire check

Thinking about a backyard fire?

Weather is less concerning around 6 PM–9 PM.

Humidity stays higher and winds stay lighter for at least three hours.

Next 12 hoursChoose a time to see what is driving the concern.
Selected timeNowHigh concern

Sustained wind is 25 mph. Gusts may reach 33 mph.

Humidity
66%
Wind
25 mph
Gusts
33 mph

Check local rules. Weather is only part of the decision. Check city, county, and land-manager fire restrictions before lighting any outdoor fire.

About these readingsSources and local limits

Weather

Forecasts, alerts, and radar come from NOAA and the National Weather Service.

Air quality

This reading describes Lewistown area, about 31 miles away. Conditions can differ at this exact spot.

Smoke

Satellite imagery shows smoke overhead. It cannot tell us how much smoke has reached breathing level.

This page represents Roy, MT, so conditions can vary from street to street. Environmental data: AirNow · participating air agencies · preliminary real-time US AQI · NOAA Hazard Mapping System · satellite-observed smoke.