and then 
to Add to home screen Butte
Rise 7:16AM
Set 7:27PM
Reporting Station : Mooney Airport, MT
There are
0 Weather Alerts
for your area.
0 Weather Alerts
for your area.
18°C
Sunny. Mild.
- 23%
- 7 km/hNE
-
23%
Humidity -
-4°C
Dew Point -
18°C
Comfort Level -
16 km
Visibility -
1019.90 mb
Barometric Pressure - Air Quality
Waning gibbous
Rise9:10PM
Set12:07PM
SATURDAY AFTERNOON
HLN / No delays
Air Quality Observations
| Station Name | Concentration | Category |
|---|---|---|
| Yellowstone NP | 43 ppb |  Good |
| Craters of the Moon NM | 46 ppb | Good |
| Glacier NP | 35 ppb | Good |
| Harrisville | 52 ppb |  Moderate |
| Great Basin NP | 54 ppb | Moderate |
| Lemmon Valley | 55 ppb | Moderate |
| Sparks | 53 ppb | Moderate |
| Incline | 57 ppb | Moderate |
Air Quality Forecast
| Date | Pollutant | Concentration | Category |
|---|---|---|---|
| 20 Sep | Particulates smaller than 2.5 microns | 19 ppb | Good |
| 21 Sep | Particulates smaller than 2.5 microns | 27 ppb | Good |
| 22 Sep | Particulates smaller than 2.5 microns | n/a | Good |
| 23 Sep | Particulates smaller than 2.5 microns | n/a | Good |
| 24 Sep | Particulates smaller than 2.5 microns | n/a | Good |
| 25 Sep | Particulates smaller than 2.5 microns | n/a | Good |
| 26 Sep | Particulates smaller than 2.5 microns | n/a | Good |
Helena
Dillon (seasonal)
Bozeman
Rise 7:16AM
Set 7:27PM
Waning gibbous
Rise9:10PM
Set12:07PM
SATURDAY AFTERNOON
HLN / No delays
Extended Forecast
| Date | Category | Reason |
|---|---|---|
| 21 Sep Saturday | Good |
well-mixed atmosphere, low pressure |
| 22 Sep Sunday | Good |
well-mixed atmosphere, low pressure |
| 23 Sep Monday | Good |
well-mixed atmosphere, low pressure |
| 24 Sep Tuesday | Good |
well-mixed atmosphere, low pressure |
| 25 Sep Wednesday | Good |
well-mixed atmosphere, low pressure |
| 26 Sep Thursday | Good |
strong winds, well-mixed atmosphere, low pressure |
| 27 Sep Friday | Good |
well-mixed atmosphere, low pressure |
Detailed Forecast
| Date | Category | Reason |
|---|---|---|
| 21 Sep Afternoon | Good |
well-mixed atmosphere, low pressure |
| 21 Sep Evening | Good |
well-mixed atmosphere, low pressure |
| 22 Sep Night | Good |
cold temperatures, well-mixed atmosphere, low pressure |
| 22 Sep Morning | Good |
cold temperatures, well-mixed atmosphere, low pressure |
| 22 Sep Afternoon | Good |
well-mixed atmosphere, low pressure |
| 22 Sep Evening | Good |
well-mixed atmosphere, low pressure |
| 23 Sep Night | Good |
cold temperatures, well-mixed atmosphere, low pressure |
| 23 Sep Morning | Good |
well-mixed atmosphere, low pressure |