



Space WX Alerts:
( Latest Alert ) - Issue Time: 2021 Apr 21 0459 UTC
54.5°F
Calm
Updated:
4/21/21 9:15am


Advisories / Alerts |
Severe Wx Summary! | |
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Wed, Apr 21, 2021 - 9:09am |
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Today in Weather History
Weather History For Wednesday, April 21, 2021
On this Day - In Weather History ...
April 21, 1958 - Portions of Montana were in the midst of a spring snowburst. Snowfall amounts ranged up to 55 inches at Red Lodge, 61 inches at Nye Mine, and 72 inches at Mystic Lake. (David Ludlum)
April 21, 1967 - Severe thunderstorms spawned 48 tornadoes in the Upper Midwest. Hardest hit was northern Illinois where sixteen tornadoes touched down during the afternoon and evening hours causing fifty million dollars damage. On that Friday afternoon tornadoes struck Belvidere IL, and the Chicago suburb of Oak Lawn, killing 57 persons. (David Ludlum)
April 21, 1980 - The temperature at International Falls MN hit 90 degrees. (The National Weather Summary)
April 21, 1987 - Unseasonably warm weather prevailed from the Gulf of Mexico to New England and the Great Lakes Region, with twenty-nine cities reporting record high temperatures for the date. Afternoon highs of 82 degrees at Caribou ME, 94 degrees at Mobile AL, 95 degrees at Monroe LA, and 93 degrees at New Orleans LA, were records for the month of April. (The National Weather Summary)
April 21, 1988 - After having had just twelve rainouts in the previous twenty-six years at Dodger Stadium, a third day of heavy rain in southern California rained out a double-header at Dodger Stadium which had been scheduled due to rainouts the previous two days. (The National Weather Summary) (Storm Data)
April 21, 1989 - The temperature at Las Animas, CO, soared to 100 degrees to establish a state record for April. Twenty-two cities in the central and southwestern U.S. reported record high temperatures for the date. Eight cities equalled or exceeded previous April records. (The Weather Channel) (The National Weather Summary)
April 21, 1990 - Afternoon and evening thunderstorms produced golf ball size hail in Oklahoma, and also caused some flash flooding in the state. Thunderstorms over the Southern High Plains produced golf ball size hail at Roswell NM and El Paso TX. Easterly winds and temperatures near zero produced wind chill readings as cold as 50 degrees below zero for the spring festival (Piuraagiaqta) outdoor events at Barrow AK. (The National Weather Summary) (Storm Data)
April 21, 2007 - The South Plains and Panhandle of West Texas were hit by an outbreak of severe thunderstorms. Between the hours of 5 and 6 pm, several thunderstorms developed across the western South Plains. Around 7 pm, a supercell produced a tornado which touched down around Fieldton (southwest of Olton) and then moved just south and east of Olton, doing damage to several structures and equipment. The thunderstorm continued to move northeast across northeast Lamb, northwest Hale, southeast Castro and southwest Swisher Counties, producing a long-lived tornado (along with hail up to the size of tennis balls). By 7:45 pm, the storm approached the town of Tulia in Swisher County. A tornado touchdown was reported in the town, causing major damage. The tornadic thunderstorm continued to move northeast across Swisher County over open country through about 8:30 pm. (NWS Lubbock, TX)
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Data courtesy of weatherforyou.com |
Weather Averages for Foresthill, CA.
Latitude: 38°55’N, Longitude: 120°47’W, Elevation: 3000.0 ft |
Unit | Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
Average temperature over 51 years |
°F | 57 | 43 | 43 | 46 | 53 | 59 | 66 | 73 | 73 | 69 | 60 | 48 | 43 |
Average high temperature over 51 years |
°F | 68 | 52 | 53 | 58 | 64 | 71 | 80 | 88 | 89 | 83 | 73 | 59 | 52 |
Average low temperature over 51 years |
°F | 45 | 34 | 34 | 37 | 41 | 46 | 53 | 60 | 60 | 55 | 48 | 39 | 34 |
Average precipitation over 51 years |
in | 52.8 | 10.4 | 7.8 | 7.8 | 4.3 | 1.8 | 0.7 | 0.2 | 0.2 | 0.8 | 2.8 | 7.1 | 8.9 |
Average snowfall over 51 years |
in | 18.7 | 6.3 | 3.6 | 3.6 | 1.4 | 0.1 | - | - | - | - | - | 0.6 | 3.1 |
Average snow cover over 51 years |
in | - | 1.0 | 1.0 | - | - | - | - | - | - | - | - | - | - |
Heating degree days over 30 years |
days | 4003 | 691 | 563 | 574 | 441 | 222 | 68 | 8 | 10 | 57 | 216 | 483 | 670 |
Cooling degree days over 30 years |
days | 1036 | - | - | - | 24 | 36 | 140 | 300 | 292 | 174 | 70 | - | - |
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