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Williamstown, MO

87°F
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Today Hourly Daily Radar MinuteCast Monthly Air Quality Health & Activities
Monday, July 21

Current Weather

3:44 PM

87°F
Partly sunny
RealFeel® 101°
Very Hot
RealFeel Guide
Very Hot
101° to 107°
Caution advised. Danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
RealFeel Shade™ 94°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
RealFeel®
101°
RealFeel Shade™
94°
Max UV Index
5 Moderate
Wind
SW 5 mph
Wind Gusts
6 mph
Humidity
67%
Indoor Humidity
67% (Extremely Humid)
Dew Point
75° F
Pressure
↑ 29.90 in
Cloud Cover
37%
Visibility
17 mi
Cloud Ceiling
40000 ft

Day

7/21
87°Hi
RealFeel® 103°
Very Hot
RealFeel Guide
Very Hot
101° to 107°
Caution advised. Danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
RealFeel Shade™ 94°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
Some sun, then increasing clouds and uncomfortably humid; an afternoon shower in spots

Max UV Index9 (Very High)

AccuLumen Brightness Index™8 (Bright)

WindESE 7 mph

Wind Gusts15 mph

Probability of Precipitation49%

Probability of Thunderstorms12%

Precipitation0.00 in

Hours of Precipitation0.5

Hours of Rain0.5

Cloud Cover46%

Morning

Afternoon

Night

7/21
73°Lo
RealFeel® 79°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
Partly cloudy and uncomfortably humid

WindSE 7 mph

Wind Gusts13 mph

Probability of Precipitation8%

Probability of Thunderstorms2%

Precipitation0.00 in

Cloud Cover26%

Evening

Overnight

Sun & Moon

14 hrs 37 mins
Rise 5:55 AM
Set 8:32 PM
Waning Crescent
Rise 2:08 AM
Set 6:19 PM

Temperature History

7/21
High
Low
Forecast
87°
73°
Average
87°
67°
Last Year
78°
64°

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World North America United States Missouri Williamstown

Weather Near Williamstown:

  • Hannibal, MO
  • Macomb, IL
  • Quincy, IL
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