Weather for White Sulphur Springs, Montana
Current Weather
Humidity: 70%
Heat Index: 39.7°F
Feels Like: 34.7°F
Wind: SSE 5.6 mph
Wind Gusts: 18 mph
Wind Chill: 34.7°F
Dew Point: 34.7°F
Chance of Precipitation: 0%
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 10 mi
UV Index: 0
Five Day Weather Forecast
Wed
H: 37°F
L: 23°F
Thu
H: 39°F
L: 29°F
Fri
H: 39°F
L: 28°F
Sat
H: 29°F
L: 7°F
Sun
H: 24°F
L: 8°F
Air Quality
Nitrogen Dioxide: 2.75 μg/m3
Sulphur Dioxide: 0.95 μg/m3
Ozone: 82 μg/m3
Astronomical
Sun Transit: 12:24 AM
Sunset: 4:42 PM
Daylight: 8 hrs 34 mins
Moon Transit: 4:15 PM
Moonset: 9:34 PM
Moon Phase: Waxing Crescent
Moon Illumination: 19.9%
Best Times for Fishing or Hunting
Major Periods
12:28 AM - 2:58 AM3:45 PM - 6:15 PM
Minor Periods
9:04 PM - 10:34 PM10:39 AM - 12:09 AM
Action Rating: 2 out of 5
Winter Storm Watch issued December 24 at 3:29AM MST until December 25 at 11:00AM MST by NWS Great Falls MT
Effective: Wed December 24, 2025, 3:29 AM
Expires: Wed December 24, 2025, 5:00 PM
* WHAT...Wintry mix expected, including snow and freezing rain. Total ice accumulations up to a tenth of an inch, with localized ice accumulations up to a quarter inch. * WHERE...Eastern Pondera and Eastern Teton Counties, Southern High Plains, Western and Central Chouteau County, Bears Paw Mountains and Southern Blaine, and Cascade County below 5000ft. * WHEN...From this evening through Thursday morning. * IMPACTS...Wintry mix expected, including snow and freezing rain. Total ice accumulations around a tenth, with localized ice accumulations up to a quarter inch.
Monitor the latest forecasts for updates on this situation.
Winter Weather Advisory issued December 24 at 2:02PM MST until December 25 at 5:00AM MST by NWS Great Falls MT
Effective: Wed December 24, 2025, 2:02 PM
Expires: Thu December 25, 2025, 5:00 AM
* WHAT...Freezing rain expected. Total ice accumulations around a light glaze. * WHERE...Eastern Toole and Liberty Counties, Eastern Pondera and Eastern Teton Counties, Southern High Plains, Western and Central Chouteau County, and Cascade County below 5000ft. * WHEN...From 7 PM this evening to 5 AM MST Thursday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. * ADDITIONAL DETAILS...Ice may accumulate on power lines and cause power outages.
Remember, a Winter Weather Advisory means that there is at least an 80% chance of minor impacts due to winter weather conditions during the advisory period.
Dense Fog Advisory issued December 24 at 1:53PM MST until December 24 at 11:00PM MST by NWS Great Falls MT
Effective: Wed December 24, 2025, 1:53 PM
Expires: Wed December 24, 2025, 11:00 PM
* WHAT...Visibility less than a quarter of a mile in dense freezing fog. * WHERE...Much of North Central MT. * WHEN...Until 11 PM MST this evening. * IMPACTS...Low visibility could make driving conditions hazardous. * ADDITIONAL DETAILS...Areas of freezing fog will create some minor ice accumulations.
If driving, slow down, use your headlights, and leave plenty of distance ahead of you.
Weather Forecast
Average Temperature: 29.7°F
Average Humidity: 92%
Wind: 7.6 mph
UV Index: 0.2
Air Quality
Nitrogen Dioxide: 2.87 μg/m3
Sulphur Dioxide: 1.36 μg/m3
Ozone: 89.24 μg/m3
Astronomical
Sun Transit: 12:24 AM
Sunset: 4:42 PM
Daylight: 8 hrs 34 mins
Moon Transit: 4:15 PM
Moonset: 9:34 PM
Moon Phase: Waxing Crescent
Moon Illumination: 19.9%
Best Times for Fishing or Hunting
Major Periods
12:28 AM - 2:58 AM3:45 PM - 6:15 PM
Minor Periods
9:04 PM - 10:34 PM10:39 AM - 12:09 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 33.2°F
Average Humidity: 99%
Wind: 9.8 mph
UV Index: 0.2
Air Quality
Nitrogen Dioxide: 2.99 μg/m3
Sulphur Dioxide: 0.99 μg/m3
Ozone: 81.04 μg/m3
Astronomical
Sun Transit: 12:25 AM
Sunset: 4:42 PM
Daylight: 8 hrs 34 mins
Moon Transit: 5:00 PM
Moonset: 10:47 PM
Moon Phase: Waxing Crescent
Moon Illumination: 29.7%
Best Times for Fishing or Hunting
Major Periods
1:13 AM - 3:43 AM4:30 PM - 7:00 PM
Minor Periods
10:17 PM - 11:47 PM10:56 AM - 12:26 AM
Action Rating: 3 out of 5
Weather Forecast
Average Temperature: 32.4°F
Average Humidity: 85%
Wind: 19.9 mph
UV Index: 0.1
Air Quality
Nitrogen Dioxide: 2.46 μg/m3
Sulphur Dioxide: 0.98 μg/m3
Ozone: 88.16 μg/m3
Astronomical
Sun Transit: 12:25 AM
Sunset: 4:43 PM
Daylight: 8 hrs 34 mins
Moon Transit: 5:44 PM
Moonset: 12:00 PM
Moon Phase: First Quarter
Moon Illumination: 40.5%
Best Times for Fishing or Hunting
Major Periods
1:57 AM - 4:27 AM5:14 PM - 7:44 PM
Minor Periods
12:00 AM - 12:00 AM11:13 AM - 12:43 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 19.6°F
Average Humidity: 71%
Wind: 21 mph
UV Index: 0.2
Air Quality
Nitrogen Dioxide: 2.01 μg/m3
Sulphur Dioxide: 1.36 μg/m3
Ozone: 91.72 μg/m3
Astronomical
Sun Transit: 12:26 AM
Sunset: 4:44 PM
Daylight: 8 hrs 35 mins
Moon Transit: 2:23 AM
Moonset: 12:00 AM
Moon Phase: First Quarter
Moon Illumination: 51.8%
Best Times for Fishing or Hunting
Major Periods
1:53 AM - 4:23 AM1:53 AM - 4:23 AM
Minor Periods
11:30 AM - 1:00 PM12:00 AM - 12:00 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 15.3°F
Average Humidity: 66%
Wind: 7.6 mph
UV Index: 0.2
Air Quality
Nitrogen Dioxide: 3.55 μg/m3
Sulphur Dioxide: 1.73 μg/m3
Ozone: 80.38 μg/m3
Astronomical
Sun Transit: 12:26 AM
Sunset: 4:45 PM
Daylight: 8 hrs 35 mins
Moon Transit: 7:18 PM
Moonset: 1:16 AM
Moon Phase: First Quarter
Moon Illumination: 63.0%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM6:48 PM - 9:18 PM
Minor Periods
11:48 AM - 1:18 PM12:46 AM - 2:16 AM
Action Rating: 2 out of 5