Atmospheric River Bringing Heavy Rain to Southern California and Heavy Snow to the Sierra Nevadas

A strong atmospheric river will continue heavy rain over southern California through Friday. The heaviest rainfall is ongoing today in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall has begun over the Sierra Nevada Mountains and will continue through Friday. Travel will become increasingly difficult over the passes due to snow and strong winds. Read More >

2022 Climate Summaries

Top 4 Weather Events

Riverton

Casper

Lander

Top 4 Events of 2022 (video presentations):


Number 4: The Early September Heat Wave	Number 3: Snowstorm, December 11th-13th

Number 1a: Late December Arctic Blast	Number 1: Yellowstone Park Flooding

Click Here for the complete 2022 summary for Riverton

...Highlights of 2022...

Annual: Period of Record is 104 years (1918-2022)
- 40th warmest year on record at 44.0 degrees. This was 0.1 degree above normal.
- 15th Wettest year on record with 11.42 inches. This is 120% of Normal
- 5th Snowiest year on record with 61.7 inches. This is 139% of normal.
- 49th Snowiest Snowfall Season (July 2021-June 2022) with 37.2 inches of snow.
Monthly Temperatures: 9th Warmest June (tie), 9th warmest July and 4th Warmest September on record
Monthly Precipitation: 8th driest July (tied) and the 4th wettest December on record.
Monthly Snowfall: 5th snowiest March, 10th snowiest November, and 2nd snowiest December on record.

Click Here for the complete 2022 summary for Casper

...Highlights of 2022...

Annual: Period of Record 83 Years (1940-2022)
- 20th coldest year on record at 44.4 degrees, just 1,2 degrees below normal.
- 24th wettest year with 13.36 inches, 109% of normal.
- 12th snowiest year with 100.7 inches, 140% of normal.
- 14th snowiest snowfall season (July 2021-June2022) with 98.5 inches.
- Highest wind gust was 75 mph on December 27th.
Monthly Temperatures: 5th coldest April, 8th coldest May, 9th warmest September and 7th coldest November on record. All-time Record Low for the year set on December 22nd with -42 degrees. All-time monthly Record Low for March of -10 on the 10th. All-time monthly Record High for September of 100 degrees on the 4th.
Monthly Precipitation: 9th wettest January, 9th wettest February, 6th driest June, 9th driest July, 5th wettest August and 9th driest October on record.
Monthly Snowfall: 10th snowiest January and 9th snowiest November on record.

Click Here for the complete 2022 summary for Lander

...Highlights of 2022...

Annual - Period of Record 131 years (1892 - 2022)
- 40th Warmest year on record at 45 degrees, just 0.1 degrees below normal
- 56th Driest year on record with 13.92 inches, 105% of normal precipitation.
- 49th Least Snowiest year on record with 73.5 inches, 84% of normal.
- 20th Least Seasonal Snow (July 2021-June 2022) with 56.9 inches of snow.
- The peak wind gust for the year was 74 mph which occurred on July 24th

Monthly Temperature: 6th warmest July and 3rd warmest September. New Monthly All-time record High of 99 degrees occurred on September 4th.
Monthly Precipitation: 2nd driest January on record with just a Trace (1956/1971 had zero rainfall).
Monthly Snowfall: 2nd Least snowiest October with just a Trace of snow (Normal is 10.7 inches).

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Atmospheric River Bringing Heavy Rain to Southern California and Heavy Snow to the Sierra Nevadas

2022 Wyoming Annual Climate Summary