Weather for Toston, Montana
Current Weather
Humidity: 38%
Feels Like: 38.8°F
Wind: SW 17.9 mph
Wind Gusts: 20.6 mph
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 9 mi
UV Index: 1.9
Five Day Weather Forecast
Sun
H: 51°F
L: 35°F
Mon
H: 40°F
L: 29°F
Tue
H: 44°F
L: 22°F
Wed
H: 57°F
L: 21°F
Thu
H: 49°F
L: 28°F
Air Quality
Nitrogen Dioxide: 1.85 μg/m3
Sulphur Dioxide: 1.55 μg/m3
Ozone: 90 μg/m3
Astronomical
Sun Transit: 1:09 PM
Sunset: 6:20 PM
Daylight: 10 hrs 22 mins
Moon Transit: 5:17 PM
Moonset: 9:09 PM
Moon Phase: Waxing Crescent
Moon Illumination: 20.5%
Best Times for Fishing or Hunting
Major Periods
1:24 AM - 3:54 AM4:47 PM - 7:17 PM
Minor Periods
8:39 PM - 10:09 PM12:58 AM - 2:28 PM
Action Rating: 2 out of 5
Winter Storm Warning issued October 25 at 1:19PM MDT until October 27 at 6:00PM MDT by NWS Riverton WY
Effective: Sat October 25, 2025, 1:19 PM
Expires: Sun October 26, 2025, 7:15 AM
* WHAT...Heavy snow expected. Total snow accumulations between 6 and 12 inches, with higher amounts up to 15 inches for the Southern Entrance. Winds gusting as high as 45 mph. * WHERE...Yellowstone National Park. * WHEN...From 11 PM this evening to 6 PM MDT Monday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. Travel could be very difficult. * ADDITIONAL DETAILS...Only 1 to 3 inches of snow is expected at Mammoth.
If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. For graphical depictions of the snowfall forecast, including the official NWS forecast, high end amounts, and low end amounts, visit https://weather.gov/riw/winter . For winter road conditions from the Wyoming Department of Transportation, visit https://wyoroad.info .
Winter Storm Warning issued October 26 at 1:28AM MDT until October 27 at 6:00PM MDT by NWS Riverton WY
Effective: Sun October 26, 2025, 1:28 AM
Expires: Sun October 26, 2025, 8:00 PM
* WHAT...Heavy snow expected. Total snow accumulations between 6 and 12 inches, with higher amounts up to 15 inches for the Southern Entrance. Winds gusting as high as 45 mph. * WHERE...Yellowstone National Park. * WHEN...Until 6 PM MDT Monday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. Travel could be very difficult. * ADDITIONAL DETAILS...Only 1 to 3 inches of snow is expected at Mammoth.
If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. For graphical depictions of the snowfall forecast, including the official NWS forecast, high end amounts, and low end amounts, visit https://weather.gov/riw/winter . For winter road conditions from the Wyoming Department of Transportation, visit https://wyoroad.info .
Weather Forecast
Average Temperature: 43°F
Average Humidity: 43%
Wind: 20.8 mph
UV Index: 0.4
Air Quality
Nitrogen Dioxide: 2.24 μg/m3
Sulphur Dioxide: 1.42 μg/m3
Ozone: 85.24 μg/m3
Astronomical
Sun Transit: 1:09 PM
Sunset: 6:20 PM
Daylight: 10 hrs 22 mins
Moon Transit: 5:17 PM
Moonset: 9:09 PM
Moon Phase: Waxing Crescent
Moon Illumination: 20.5%
Best Times for Fishing or Hunting
Major Periods
1:24 AM - 3:54 AM4:47 PM - 7:17 PM
Minor Periods
8:39 PM - 10:09 PM12:58 AM - 2:28 PM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 34.3°F
Average Humidity: 54%
Wind: 21 mph
UV Index: 0.4
Air Quality
Nitrogen Dioxide: 2.73 μg/m3
Sulphur Dioxide: 1.48 μg/m3
Ozone: 75.28 μg/m3
Astronomical
Sun Transit: 1:09 PM
Sunset: 6:19 PM
Daylight: 10 hrs 19 mins
Moon Transit: 6:09 PM
Moonset: 10:12 PM
Moon Phase: Waxing Crescent
Moon Illumination: 30.3%
Best Times for Fishing or Hunting
Major Periods
2:16 AM - 4:46 AM5:39 PM - 8:09 PM
Minor Periods
9:42 PM - 11:12 PM1:43 PM - 3:13 PM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 29.9°F
Average Humidity: 59%
Wind: 9.4 mph
UV Index: 0.6
Air Quality
Nitrogen Dioxide: 2.98 μg/m3
Sulphur Dioxide: 1.84 μg/m3
Ozone: 74.88 μg/m3
Astronomical
Sun Transit: 1:09 PM
Sunset: 6:17 PM
Daylight: 10 hrs 15 mins
Moon Transit: 7:00 PM
Moonset: 11:20 PM
Moon Phase: First Quarter
Moon Illumination: 41.2%
Best Times for Fishing or Hunting
Major Periods
3:08 AM - 5:38 AM6:30 PM - 9:00 PM
Minor Periods
12:00 AM - 12:00 AM2:19 PM - 3:49 PM
Action Rating: 3 out of 5
Weather Forecast
Average Temperature: 34.5°F
Average Humidity: 52%
Wind: 7.6 mph
UV Index: 0.5
Air Quality
Nitrogen Dioxide: 5.71 μg/m3
Sulphur Dioxide: 1.52 μg/m3
Ozone: 63.64 μg/m3
Astronomical
Sun Transit: 1:09 PM
Sunset: 6:15 PM
Daylight: 10 hrs 12 mins
Moon Transit: 7:50 PM
Moonset: 12:20 AM
Moon Phase: First Quarter
Moon Illumination: 52.5%
Best Times for Fishing or Hunting
Major Periods
3:58 AM - 6:28 AM7:20 PM - 9:50 PM
Minor Periods
2:47 PM - 4:17 PM12:00 AM - 12:00 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 36.6°F
Average Humidity: 59%
Wind: 3.8 mph
UV Index: 0
Air Quality
Nitrogen Dioxide: 5.72 μg/m3
Sulphur Dioxide: 1.2 μg/m3
Ozone: 63.38 μg/m3
Astronomical
Sun Transit: 1:09 PM
Sunset: 6:14 PM
Daylight: 10 hrs 10 mins
Moon Transit: 8:38 PM
Moonset: 12:34 AM
Moon Phase: First Quarter
Moon Illumination: 63.7%
Best Times for Fishing or Hunting
Major Periods
4:47 AM - 7:17 AM8:08 PM - 10:38 PM
Minor Periods
3:10 PM - 4:40 PM12:04 AM - 1:34 AM
Action Rating: 2 out of 5