McHenry County Weather

04/27/2026

Wind (severe)
McHenry County

> 50% - Likely
Today 12:50 PM - 4:00 PM (more severe)

High Wind Warning

* WHAT...Southeast winds 25 to 35 mph with gusts up to 60 mph.

* WHERE...De Kalb, Central Cook, DuPage, Kane, Lake IL, McHenry, and Northern Cook Counties.

* WHEN...Until 4 PM CDT this afternoon.

* IMPACTS...Damaging winds will blow down trees and power lines. Widespread power outages are expected. Travel will be difficult, especially for high profile vehicles.

Remain in the lower levels of your home during the windstorm, and avoid windows. Watch for falling debris and tree limbs. Use caution if you must drive.

NWS Chicago IL

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04/27/2026

Wind (strong)
McHenry County

> 50% - Likely
Today 12:00 PM - 4:00 PM

Wind Advisory

* WHAT...Southeast winds 20 to 25 mph with gusts up to 50 mph expected.

* WHERE...Portions of north central and northeast Illinois and northwest Indiana.

* WHEN...Until 4 PM CDT this afternoon.

* IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.

* ADDITIONAL DETAILS...The potential exists for brief localized gusts up to 55 to 60 mph.

Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution.

NWS Chicago IL

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Shared by UnWX for Android
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04/27/2026

We have been downgraded to a slight risk of severe weather but we still need to be weather aware as all modes of severe weather are on the table for today anytime after 12pm.

04/26/2026

Here is SPC's outlook for Monday

04/26/2026

Literally the county is split in half from Northwest to South East by a enhanced and slight risk.

04/24/2026

Heads up! A threat for severe weather will return to the region on Monday, especially in the orange shaded area. We’re still four days away from the storm system arriving, so adjustments in the forecast are all but likely. Even so, stay up to date on the forecast as we get closer.

04/23/2026

The forecast for McHenry County thru Saturday

04/23/2026

NWS Chicago timing for rain during the overnight hours

A line of showers and storms will move east across the region overnight. While storms are expected to gradually weaken with time, the strongest may produce wind gusts up to 50-60 mph and small hail, in addition to brief heavy downpours.

04/23/2026

SPC outlook for today

04/22/2026

Thursday Severe Weather Risk:
SLIGHT Kansas City, MO...Omaha, NE...Minneapolis, MN...Wichita, KS...St. Paul, MN...
MARGINAL Milwaukee, WI...Oklahoma City, OK...Tulsa, OK...St. Louis, MO...Madison, WI...

I am expecting an over night strong thunderstorm for Northern IL