Williamson, IL

Hourly

1 PM

25° RealFeel® 10° Very Cold RealFeel Guide Very Cold 10° to 24° Caution advised. Older adults, infants, and those with sensitive medical conditions, should be well dressed to protect from hypothermia and frostbite. Coat, hat, gloves and a scarf are appropriate. LEARN MORE 0% Mostly cloudy

• RealFeel Shade™: 8°
• Wind: SSW 16 mph
• Air Quality: Excellent
• Max UV Index: 1.2 (Low)
• Wind Gusts: 25 mph
• Humidity: 42%
• Indoor Humidity: 20% (Very Dry)
• Dew Point: 5° F
• AccuLumen Brightness Index™: 5 (Medium)
• Cloud Cover: 78%
• Visibility: 10 mi
• Cloud Ceiling: 9500 ft

2 PM

27° RealFeel® 13° Very Cold RealFeel Guide Very Cold 10° to 24° Caution advised. Older adults, infants, and those with sensitive medical conditions, should be well dressed to protect from hypothermia and frostbite. Coat, hat, gloves and a scarf are appropriate. LEARN MORE 0% Intermittent clouds

• RealFeel Shade™: 11°
• Wind: SSW 16 mph
• Air Quality: Excellent
• Max UV Index: 1.1 (Low)
• Wind Gusts: 27 mph
• Humidity: 37%
• Indoor Humidity: 19% (Extremely Dry)
• Dew Point: 4° F
• AccuLumen Brightness Index™: 6 (Medium)
• Cloud Cover: 70%
• Visibility: 10 mi
• Cloud Ceiling: 9500 ft

3 PM

28° RealFeel® 13° Very Cold RealFeel Guide Very Cold 10° to 24° Caution advised. Older adults, infants, and those with sensitive medical conditions, should be well dressed to protect from hypothermia and frostbite. Coat, hat, gloves and a scarf are appropriate. LEARN MORE 0% Intermittent clouds

• RealFeel Shade™: 13°
• Wind: SW 16 mph
• Air Quality: Excellent
• Max UV Index: 0.8 (Low)
• Wind Gusts: 28 mph
• Humidity: 37%
• Indoor Humidity: 19% (Extremely Dry)
• Dew Point: 4° F
• AccuLumen Brightness Index™: 5 (Medium)
• Cloud Cover: 70%
• Visibility: 10 mi
• Cloud Ceiling: 9500 ft

4 PM

29° RealFeel® 15° Very Cold RealFeel Guide Very Cold 10° to 24° Caution advised. Older adults, infants, and those with sensitive medical conditions, should be well dressed to protect from hypothermia and frostbite. Coat, hat, gloves and a scarf are appropriate. LEARN MORE 0% Intermittent clouds

• RealFeel Shade™: 15°
• Wind: SW 15 mph
• Air Quality: Excellent
• Max UV Index: 0.4 (Low)
• Wind Gusts: 25 mph
• Humidity: 35%
• Indoor Humidity: 19% (Very Dry)
• Dew Point: 5° F
• AccuLumen Brightness Index™: 3 (Dull)
• Cloud Cover: 70%
• Visibility: 10 mi
• Cloud Ceiling: 8700 ft

5 PM

28° RealFeel® 14° Very Cold RealFeel Guide Very Cold 10° to 24° Caution advised. Older adults, infants, and those with sensitive medical conditions, should be well dressed to protect from hypothermia and frostbite. Coat, hat, gloves and a scarf are appropriate. LEARN MORE 0% Intermittent clouds

• RealFeel Shade™: 14°
• Wind: SW 14 mph
• Air Quality: Excellent
• Max UV Index: 0.0 (Low)
• Wind Gusts: 22 mph
• Humidity: 38%
• Indoor Humidity: 20% (Very Dry)
• Dew Point: 6° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 70%
• Visibility: 10 mi
• Cloud Ceiling: 7900 ft

6 PM

28° RealFeel® 16° Very Cold RealFeel Guide Very Cold 10° to 24° Caution advised. Older adults, infants, and those with sensitive medical conditions, should be well dressed to protect from hypothermia and frostbite. Coat, hat, gloves and a scarf are appropriate. LEARN MORE 0% Intermittent clouds

• Wind: WSW 13 mph
• Air Quality: Excellent
• Wind Gusts: 20 mph
• Humidity: 40%
• Indoor Humidity: 21% (Very Dry)
• Dew Point: 7° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 70%
• Visibility: 10 mi
• Cloud Ceiling: 7100 ft

7 PM

28° RealFeel® 17° Very Cold RealFeel Guide Very Cold 10° to 24° Caution advised. Older adults, infants, and those with sensitive medical conditions, should be well dressed to protect from hypothermia and frostbite. Coat, hat, gloves and a scarf are appropriate. LEARN MORE 0% Partly cloudy

• Wind: WSW 12 mph
• Air Quality: Excellent
• Wind Gusts: 17 mph
• Humidity: 48%
• Indoor Humidity: 24% (Very Dry)
• Dew Point: 10° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 45%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

8 PM

28° RealFeel® 14° Very Cold RealFeel Guide Very Cold 10° to 24° Caution advised. Older adults, infants, and those with sensitive medical conditions, should be well dressed to protect from hypothermia and frostbite. Coat, hat, gloves and a scarf are appropriate. LEARN MORE 0% Partly cloudy

• Wind: W 14 mph
• Air Quality: Excellent
• Wind Gusts: 22 mph
• Humidity: 52%
• Indoor Humidity: 25% (Very Dry)
• Dew Point: 12° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 34%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

9 PM

27° RealFeel® 12° Very Cold RealFeel Guide Very Cold 10° to 24° Caution advised. Older adults, infants, and those with sensitive medical conditions, should be well dressed to protect from hypothermia and frostbite. Coat, hat, gloves and a scarf are appropriate. LEARN MORE 0% Mostly clear

• Wind: W 15 mph
• Air Quality: Excellent
• Wind Gusts: 25 mph
• Humidity: 55%
• Indoor Humidity: 26% (Very Dry)
• Dew Point: 13° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 26%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

10 PM

26° RealFeel® 10° Very Cold RealFeel Guide Very Cold 10° to 24° Caution advised. Older adults, infants, and those with sensitive medical conditions, should be well dressed to protect from hypothermia and frostbite. Coat, hat, gloves and a scarf are appropriate. LEARN MORE 0% Mostly clear

• Wind: WNW 16 mph
• Air Quality: Excellent
• Wind Gusts: 22 mph
• Humidity: 58%
• Indoor Humidity: 26% (Very Dry)
• Dew Point: 13° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 26%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft

11 PM

25° RealFeel® 7° Bitterly Cold RealFeel Guide Bitterly Cold -10° to 9° Caution advised. Frostbite to exposed skin within 15 minutes. Hypothermia likely without protective clothing. LEARN MORE 0% Mostly clear

• Wind: WNW 17 mph
• Air Quality: Excellent
• Wind Gusts: 21 mph
• Humidity: 59%
• Indoor Humidity: 25% (Very Dry)
• Dew Point: 12° F
• AccuLumen Brightness Index™: 0 (Dark)
• Cloud Cover: 29%
• Visibility: 10 mi
• Cloud Ceiling: 30000 ft