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⏪ Hrly Data Table | Hrly Future Graph ⏩
IMPORTANT NOTE ON NWS DATA
Rollings Lane was flooded after 3.6875 inches of rain fell overnight Thursday to Friday (May 14-15, 2020). The area has had flooding problems for many years. The first round photos were taken Friday night after […]
Flooding scene with saturated ground after 6.25 inches of rain fell in Arlington Heights from about 11:00 p.m. Thursday May 14, 2020 until about 11:00 p.m. on Sunday May 17, 2020. Flooded basements and stranded […]
A line of showers and thunderstorms moved across Chicagoland this evening, bringing a second round of heavy rain to Chicagoland on Sunday May 17, 2020, and the third round in three days. Very heavy rainfall, […]
High 67 Thursday, High 43 Friday, Arlington Heights, Chicago Weather Forecast Northwest Freezing temperatures are expected Saturday May 9, 2020 from 12 AM to 8 AM. The forecast low for Saturday morning is 30°F from […]
Get ready for good weather — all upper 50s and above for daily highs the next seven days. Low Pressure is departing the area and precipitation is done, but about 3 inches of rain has […]
Winter Weather Advisory in Effect from 3:49 AM until 10 AM Friday, April 17, 2020 Light Snow began in Arlington Heights about 2:00 a.m. and as of 7:00 a.m. accumulated to 3.5 inches on grassy […]
Unstable air associated with a cold front is expected to bring scattered severe thunderstorms Wednesday evening. A Severe Thunderstorm Warning was issued at 4:43 p.m. for a storm on radar approaching northwest Cook County. The […]
Clear April nights are filled with starry creatures. Near the Big Dipper, you will find several interesting binary stars. You can also spot galaxies like the Pinwheel Galaxy, M82, and M96 — the last of […]
A Tornado Watch was issued at 2:40 p.m. Saturday March 28, 2020 for 50 counties in Illinois, and also counties in northeast Missouri and southeast Iowa. Initially, no counties in the immediate Chicago region were […]
A potential for outbreak tornados exist west of area, but much of northeast Illinois is also at risk of tornados on Saturday, March 28, 2020. Arlington Heights, neighboring communities, and most of Cook County are […]
A powerful upper level jet stream, a deepening low moving out from Colorado, wind shear, a warm front and a cold front are ingredients that could create supercells and tornados on Saturday, March 28, 2020. […]
Supermoon at 97 percent just as rain clouds arrive over Arlington Heights before dawn, changing a clear sky to a cloudy sky at about 5:00 a.m. Monday, March 9, 2020. Today’s Full Moon is a […]
Full Moon just as rain clouds arrive over Arlington Heights before dawn, changing a clear sky to a cloudy sky at about 5:00 a.m. Showers and thundershowers are moving in to the area of northeast […]
The late February snow storm forecast continues to trend toward less snowfall and a more southerly track of the main narrow snow band. As expected, the National Weather Service has dropped the Winter Storm Watch […]
There are two upper troughs crossing through our area, and the first upper trough is not bringing much if any precipitation to north Cook County, McHenry County and Lake County. The Monday-to-Wednesday system is a […]
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