Hourly Weather Forecast for McHenry, Maryland 21541 - The Weather Channel | Weather.com
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Hourly Weather-

As of 12:39 pm EDT
alertLevel2

Winter Weather Advisory

+1 More
alertLevel3

There is a possible risk of severe weather today. Wind is the greatest threat.

Wintry Weather

Occasional rain mixing with snow over the next several hours.

Monday, March 16

1 pm

Showers Showers
54°
Rain drop 75%
SW 11 mph
Subtract

Showers

  • Temperature feels like
    Feels Like51°
  • WindSW 11 mph
  • Humidity
    Humidity90%
  • UV index
    UV Index2 of 11
  • Cloud
    Cloud Cover92%
  • Rain drop
    Rain Amount0.01 in

1:15 pm

Showers Showers
54°
Rain drop 44%
SW 11 mph

1:30 pm

Showers Showers
53°
Rain drop 41%
WSW 11 mph

2 pm

Showers Showers
52°
Rain drop 37%
WSW 12 mph
Add

Showers

  • Temperature feels like
    Feels Like48°
  • WindWSW 12 mph
  • Humidity
    Humidity86%
  • UV index
    UV Index4 of 11
  • Cloud
    Cloud Cover57%
  • Rain drop
    Rain Amount0 in

3 pm

Showers Showers
47°
Rain drop 41%
WSW 12 mph
Add

Showers

  • Temperature feels like
    Feels Like42°
  • WindWSW 12 mph
  • Humidity
    Humidity81%
  • UV index
    UV Index4 of 11
  • Cloud
    Cloud Cover56%
  • Rain drop
    Rain Amount0 in

4 pm

Showers Showers
45°
Rain drop 63%
W 14 mph
Add

Showers

  • Temperature feels like
    Feels Like38°
  • WindW 14 mph
  • Humidity
    Humidity82%
  • UV index
    UV Index1 of 11
  • Cloud
    Cloud Cover99%
  • Rain drop
    Rain Amount0.02 in

5 pm

Snow Snow
39°
Rain drop 87%
W 15 mph
Add

Snow

  • Temperature feels like
    Feels Like31°
  • WindW 15 mph
  • Visibility
    Visibility1.1 mi
  • UV index
    UV Index1 of 11
  • Cloud
    Cloud Cover100%
  • Snowflake
    Snow Amount0 in

6 pm

Snow Snow
36°
Rain drop 97%
W 15 mph
Add

Snow

  • Temperature feels like
    Feels Like27°
  • WindW 15 mph
  • Visibility
    Visibility1 mi
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover100%
  • Snowflake
    Snow Amount0 in
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7 pm

Snow Snow
33°
Rain drop 99%
W 16 mph
Add

Snow

  • Temperature feels like
    Feels Like22°
  • WindW 16 mph
  • Visibility
    Visibility0.5 mi
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover100%
  • Snowflake
    Snow Amount0.6 in

8 pm

Snow Snow
27°
Rain drop 96%
W 18 mph
Add

Snow

  • Temperature feels like
    Feels Like14°
  • WindW 18 mph
  • Visibility
    Visibility0.5 mi
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover100%
  • Snowflake
    Snow Amount0.6 in

9 pm

Snow Snow
24°
Rain drop 83%
W 17 mph
Add

Snow

  • Temperature feels like
    Feels Like11°
  • WindW 17 mph
  • Visibility
    Visibility0.7 mi
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover100%
  • Snowflake
    Snow Amount0.5 in

10 pm

Snow Showers Light Snow
24°
Rain drop 71%
W 19 mph
Add

Light Snow

  • Temperature feels like
    Feels Like10°
  • WindW 19 mph
  • Visibility
    Visibility2.5 mi
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover100%
  • Snowflake
    Snow Amount0.2 in

11 pm

Snow Showers Snow Showers/Wind
22°
Rain drop 46%
W 20 mph
Add

Snow Showers/Wind

  • Temperature feels like
    Feels Like7°
  • WindW 20 mph
  • Visibility
    Visibility5 mi
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover95%
  • Snowflake
    Snow Amount0.1 in

Tuesday, March 17

12 am

Snow Showers Snow Showers/Wind
21°
Rain drop 39%
W 20 mph
Add

Snow Showers/Wind

  • Temperature feels like
    Feels Like6°
  • WindW 20 mph
  • Visibility
    Visibility4 mi
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover88%
  • Snowflake
    Snow Amount0 in

1 am

Snow Showers Snow Showers/Wind
21°
Rain drop 47%
W 20 mph
Add

Snow Showers/Wind

  • Temperature feels like
    Feels Like6°
  • WindW 20 mph
  • Visibility
    Visibility6 mi
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover90%
  • Snowflake
    Snow Amount0.1 in

2 am

Windy Mostly Cloudy/Wind
21°
Rain drop 21%
W 20 mph
Add

Mostly Cloudy/Wind

  • Temperature feels like
    Feels Like5°
  • WindW 20 mph
  • Visibility
    Visibility10 mi
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover79%
  • Snowflake
    Snow Amount0 in

3 am

Windy Cloudy/Wind
19°
Rain drop 24%
W 21 mph
Add

Cloudy/Wind

  • Temperature feels like
    Feels Like3°
  • WindW 21 mph
  • Visibility
    Visibility10 mi
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover88%
  • Snowflake
    Snow Amount0 in

4 am

Snow Showers Few Snow Showers
19°
Rain drop 34%
W 19 mph
Add

Few Snow Showers

  • Temperature feels like
    Feels Like3°
  • WindW 19 mph
  • Visibility
    Visibility8 mi
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover95%
  • Snowflake
    Snow Amount0.1 in

5 am

Snow Showers Snow Showers
18°
Rain drop 36%
W 18 mph
Add

Snow Showers

  • Temperature feels like
    Feels Like2°
  • WindW 18 mph
  • Visibility
    Visibility6 mi
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover94%
  • Snowflake
    Snow Amount0.1 in

6 am

Snow Showers Snow Showers
18°
Rain drop 35%
W 17 mph
Add

Snow Showers

  • Temperature feels like
    Feels Like2°
  • WindW 17 mph
  • Visibility
    Visibility5 mi
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover97%
  • Snowflake
    Snow Amount0.1 in
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7 am

Snow Showers Snow Showers
18°
Rain drop 37%
W 15 mph
Add

Snow Showers

  • Temperature feels like
    Feels Like3°
  • WindW 15 mph
  • Visibility
    Visibility5 mi
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover97%
  • Snowflake
    Snow Amount0.1 in

8 am

Snow Showers Snow Showers
17°
Rain drop 46%
W 15 mph
Add

Snow Showers

  • Temperature feels like
    Feels Like3°
  • WindW 15 mph
  • Visibility
    Visibility3 mi
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover97%
  • Snowflake
    Snow Amount0.1 in

9 am

Snow Showers Snow Showers
18°
Rain drop 42%
W 15 mph
Add

Snow Showers

  • Temperature feels like
    Feels Like4°
  • WindW 15 mph
  • Visibility
    Visibility6 mi
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover95%
  • Snowflake
    Snow Amount0.1 in

10 am

Snow Showers Snow Showers
18°
Rain drop 45%
W 15 mph
Add

Snow Showers

  • Temperature feels like
    Feels Like4°
  • WindW 15 mph
  • Visibility
    Visibility6 mi
  • UV index
    UV Index1 of 11
  • Cloud
    Cloud Cover94%
  • Snowflake
    Snow Amount0.1 in

11 am

Snow Showers Snow Showers
19°
Rain drop 52%
W 15 mph
Add

Snow Showers

  • Temperature feels like
    Feels Like4°
  • WindW 15 mph
  • Visibility
    Visibility5 mi
  • UV index
    UV Index1 of 11
  • Cloud
    Cloud Cover96%
  • Snowflake
    Snow Amount0.1 in

12 pm

Snow Showers Snow Showers
19°
Rain drop 44%
W 15 mph
Add

Snow Showers

  • Temperature feels like
    Feels Like5°
  • WindW 15 mph
  • Visibility
    Visibility4 mi
  • UV index
    UV Index2 of 11
  • Cloud
    Cloud Cover96%
  • Snowflake
    Snow Amount0.1 in

1 pm

Snow Showers Snow Showers
20°
Rain drop 36%
W 15 mph
Add

Snow Showers

  • Temperature feels like
    Feels Like7°
  • WindW 15 mph
  • Visibility
    Visibility6 mi
  • UV index
    UV Index2 of 11
  • Cloud
    Cloud Cover97%
  • Snowflake
    Snow Amount0.1 in

2 pm

Snow Showers Snow Showers
21°
Rain drop 43%
W 15 mph
Add

Snow Showers

  • Temperature feels like
    Feels Like7°
  • WindW 15 mph
  • Visibility
    Visibility6 mi
  • UV index
    UV Index2 of 11
  • Cloud
    Cloud Cover94%
  • Snowflake
    Snow Amount0.1 in

3 pm

Snow Showers Snow Showers
21°
Rain drop 39%
W 16 mph
Add

Snow Showers

  • Temperature feels like
    Feels Like8°
  • WindW 16 mph
  • Visibility
    Visibility6 mi
  • UV index
    UV Index2 of 11
  • Cloud
    Cloud Cover92%
  • Snowflake
    Snow Amount0 in

4 pm

Snow Showers Snow Showers
22°
Rain drop 38%
W 15 mph
Add

Snow Showers

  • Temperature feels like
    Feels Like9°
  • WindW 15 mph
  • Visibility
    Visibility6 mi
  • UV index
    UV Index2 of 11
  • Cloud
    Cloud Cover87%
  • Snowflake
    Snow Amount0 in

5 pm

Snow Showers Few Snow Showers
21°
Rain drop 32%
W 14 mph
Add

Few Snow Showers

  • Temperature feels like
    Feels Like8°
  • WindW 14 mph
  • Visibility
    Visibility10 mi
  • UV index
    UV Index1 of 11
  • Cloud
    Cloud Cover90%
  • Snowflake
    Snow Amount0 in

6 pm

Snow Showers Snow Showers
20°
Rain drop 35%
W 13 mph
Add

Snow Showers

  • Temperature feels like
    Feels Like8°
  • WindW 13 mph
  • Visibility
    Visibility6 mi
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover89%
  • Snowflake
    Snow Amount0.1 in
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7 pm

Cloudy Cloudy
20°
Rain drop 24%
WNW 12 mph
Add

Cloudy

  • Temperature feels like
    Feels Like7°
  • WindWNW 12 mph
  • Visibility
    Visibility10 mi
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover85%
  • Snowflake
    Snow Amount0 in

8 pm

Cloudy Cloudy
18°
Rain drop 3%
WNW 11 mph
Add

Cloudy

  • Temperature feels like
    Feels Like5°
  • WindWNW 11 mph
  • Visibility
    Visibility10 mi
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover80%
  • Snowflake
    Snow Amount0 in

9 pm

Partly Cloudy Night Partly Cloudy
17°
Rain drop 3%
W 11 mph
Add

Partly Cloudy

  • Temperature feels like
    Feels Like5°
  • WindW 11 mph
  • Visibility
    Visibility10 mi
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover45%
  • Snowflake
    Snow Amount0 in

10 pm

Partly Cloudy Night Partly Cloudy
16°
Rain drop 4%
WNW 10 mph
Add

Partly Cloudy

  • Temperature feels like
    Feels Like4°
  • WindWNW 10 mph
  • Visibility
    Visibility10 mi
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover59%
  • Snowflake
    Snow Amount0 in

11 pm

Mostly Clear Night Mostly Clear
16°
Rain drop 4%
W 9 mph
Add

Mostly Clear

  • Temperature feels like
    Feels Like4°
  • WindW 9 mph
  • Visibility
    Visibility10 mi
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover22%
  • Snowflake
    Snow Amount0 in

Wednesday, March 18

12 am

Mostly Clear Night Mostly Clear
15°
Rain drop 4%
W 8 mph
Add

Mostly Clear

  • Temperature feels like
    Feels Like4°
  • WindW 8 mph
  • Visibility
    Visibility10 mi
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover21%
  • Snowflake
    Snow Amount0 in

1 am

Partly Cloudy Night Partly Cloudy
15°
Rain drop 5%
W 7 mph
Add

Partly Cloudy

  • Temperature feels like
    Feels Like5°
  • WindW 7 mph
  • Visibility
    Visibility10 mi
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover44%
  • Snowflake
    Snow Amount0 in

2 am

Partly Cloudy Night Partly Cloudy
14°
Rain drop 4%
WSW 7 mph
Add

Partly Cloudy

  • Temperature feels like
    Feels Like4°
  • WindWSW 7 mph
  • Visibility
    Visibility10 mi
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover49%
  • Snowflake
    Snow Amount0 in

3 am

Mostly Cloudy Night Mostly Cloudy
14°
Rain drop 4%
W 8 mph
Add

Mostly Cloudy

  • Temperature feels like
    Feels Like4°
  • WindW 8 mph
  • Visibility
    Visibility10 mi
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover61%
  • Snowflake
    Snow Amount0 in

4 am

Cloudy Cloudy
14°
Rain drop 4%
WSW 8 mph
Add

Cloudy

  • Temperature feels like
    Feels Like3°
  • WindWSW 8 mph
  • Visibility
    Visibility10 mi
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover88%
  • Snowflake
    Snow Amount0 in

5 am

Mostly Cloudy Night Mostly Cloudy
14°
Rain drop 3%
WSW 7 mph
Add

Mostly Cloudy

  • Temperature feels like
    Feels Like4°
  • WindWSW 7 mph
  • Visibility
    Visibility10 mi
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover70%
  • Snowflake
    Snow Amount0 in

6 am

Cloudy Cloudy
14°
Rain drop 3%
SW 7 mph
Add

Cloudy

  • Temperature feels like
    Feels Like4°
  • WindSW 7 mph
  • Visibility
    Visibility10 mi
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover90%
  • Snowflake
    Snow Amount0 in
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7 am

Cloudy Cloudy
15°
Rain drop 3%
SW 6 mph
Add

Cloudy

  • Temperature feels like
    Feels Like6°
  • WindSW 6 mph
  • Visibility
    Visibility10 mi
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover95%
  • Snowflake
    Snow Amount0 in

8 am

Cloudy Cloudy
15°
Rain drop 3%
SSW 6 mph
Add

Cloudy

  • Temperature feels like
    Feels Like7°
  • WindSSW 6 mph
  • Visibility
    Visibility10 mi
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover91%
  • Snowflake
    Snow Amount0 in

9 am

Cloudy Cloudy
17°
Rain drop 2%
SSW 5 mph
Add

Cloudy

  • Temperature feels like
    Feels Like9°
  • WindSSW 5 mph
  • Visibility
    Visibility10 mi
  • UV index
    UV Index0 of 11
  • Cloud
    Cloud Cover83%
  • Snowflake
    Snow Amount0 in

10 am

Mostly Cloudy Day Mostly Cloudy
18°
Rain drop 0%
S 5 mph
Add

Mostly Cloudy

  • Temperature feels like
    Feels Like11°
  • WindS 5 mph
  • Visibility
    Visibility10 mi
  • UV index
    UV Index1 of 11
  • Cloud
    Cloud Cover79%
  • Snowflake
    Snow Amount0 in

11 am

Mostly Cloudy Day Mostly Cloudy
21°
Rain drop 0%
S 6 mph
Add

Mostly Cloudy

  • Temperature feels like
    Feels Like14°
  • WindS 6 mph
  • Visibility
    Visibility10 mi
  • UV index
    UV Index2 of 11
  • Cloud
    Cloud Cover76%
  • Snowflake
    Snow Amount0 in

12 pm

Mostly Cloudy Day Mostly Cloudy
24°
Rain drop 0%
S 7 mph
Add

Mostly Cloudy

  • Temperature feels like
    Feels Like16°
  • WindS 7 mph
  • Visibility
    Visibility10 mi
  • UV index
    UV Index3 of 11
  • Cloud
    Cloud Cover74%
  • Snowflake
    Snow Amount0 in
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