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Heat dome collapse to spark thunderstorms. Get the forecast. Chevron right

Lyon, MS

92°F
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Lyon

Mississippi

92°
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Lyon, MS Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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1 PM

94°
RealFeel® 111°
Dangerous Heat
RealFeel Guide
Dangerous Heat
108° to 115°
Caution advised. Danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
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rain drop 11%
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Partly sunny
alerts

Heat Advisory

8:00 PM Thursday - 8:00 PM Sunday

RealFeel Shade™99°

Heat Index104°

WindE 5 mph

Air QualityFair

Max UV Index11.5 (Extreme)

Wind Gusts6 mph

Humidity53%

Indoor Humidity53% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover35%

Visibility10 mi

Cloud Ceiling33400 ft

2 PM

94°
RealFeel® 111°
Dangerous Heat
RealFeel Guide
Dangerous Heat
108° to 115°
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
rain drop 19%
Chevron down
Intermittent clouds
alerts

Heat Advisory

8:00 PM Thursday - 8:00 PM Sunday

RealFeel Shade™101°

Heat Index105°

WindSE 6 mph

Air QualityFair

Max UV Index10.7 (Extreme)

Wind Gusts6 mph

Humidity54%

Indoor Humidity54% (Extremely Humid)

Dew Point75° F

AccuLumen Brightness Index™7 (Bright)

Cloud Cover56%

Visibility10 mi

Cloud Ceiling30000 ft

3 PM

93°
RealFeel® 108°
Dangerous Heat
RealFeel Guide
Dangerous Heat
108° to 115°
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
rain drop 19%
Chevron down
Intermittent clouds
alerts

Heat Advisory

8:00 PM Thursday - 8:00 PM Sunday

RealFeel Shade™100°

Heat Index104°

WindS 6 mph

Air QualityFair

Max UV Index6.8 (High)

Wind Gusts7 mph

Humidity55%

Indoor Humidity55% (Extremely Humid)

Dew Point75° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling30000 ft

4 PM

92°
RealFeel® 105°
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
rain drop 24%
Chevron down
Intermittent clouds
alerts

Heat Advisory

8:00 PM Thursday - 8:00 PM Sunday

RealFeel Shade™98°

Heat Index102°

WindS 6 mph

Air QualityFair

Max UV Index4.6 (Moderate)

Wind Gusts7 mph

Humidity57%

Indoor Humidity57% (Extremely Humid)

Dew Point75° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover65%

Visibility10 mi

Cloud Ceiling30000 ft

5 PM

90°
RealFeel® 102°
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
rain drop 43%
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Intermittent clouds
alerts

Heat Advisory

8:00 PM Thursday - 8:00 PM Sunday

RealFeel Shade™97°

Heat Index101°

WindSSW 6 mph

Air QualityFair

Max UV Index2.7 (Moderate)

Wind Gusts7 mph

Humidity60%

Indoor Humidity60% (Extremely Humid)

Dew Point75° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover74%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

89°
RealFeel® 100°
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
rain drop 47%
Chevron down
Mostly cloudy
alerts

Heat Advisory

8:00 PM Thursday - 8:00 PM Sunday

RealFeel Shade™96°

Heat Index100°

WindWNW 6 mph

Air QualityFair

Max UV Index1.4 (Low)

Wind Gusts7 mph

Humidity65%

Indoor Humidity65% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™4 (Dull)

Cloud Cover84%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

85°
RealFeel® 93°
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
rain drop 51%
Chevron down
Thunderstorms
alerts

Heat Advisory

8:00 PM Thursday - 8:00 PM Sunday

RealFeel Shade™93°

Heat Index98°

WindNW 6 mph

Air QualityFair

Max UV Index0.2 (Low)

Wind Gusts7 mph

Humidity80%

Indoor Humidity80% (Dangerously Humid)

Dew Point79° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover90%

Rain0.23 in

Visibility3 mi

Cloud Ceiling2000 ft

8 PM

85°
RealFeel® 95°
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
rain drop 49%
Chevron down
Mostly cloudy
alerts

Heat Advisory

8:00 PM Thursday - 8:00 PM Sunday

RealFeel Shade™95°

Heat Index95°

WindWNW 6 mph

Air QualityFair

Max UV Index0.1 (Low)

Wind Gusts6 mph

Humidity76%

Indoor Humidity76% (Extremely Humid)

Dew Point77° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover86%

Visibility10 mi

Cloud Ceiling28300 ft

9 PM

83°
RealFeel® 92°
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
rain drop 59%
Chevron down
Thunderstorms
alerts

Heat Advisory

8:00 PM Thursday - 8:00 PM Sunday

Heat Index92°

WindWSW 5 mph

Air QualityFair

Wind Gusts5 mph

Humidity86%

Indoor Humidity86% (Dangerously Humid)

Dew Point78° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover76%

Rain0.10 in

Visibility5 mi

Cloud Ceiling4000 ft

10 PM

80°
RealFeel® 90°
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
rain drop 51%
Chevron down
Mostly cloudy w/ t-storms
alerts

Heat Advisory

8:00 PM Thursday - 8:00 PM Sunday

Heat Index87°

WindS 4 mph

Air QualityFair

Wind Gusts4 mph

Humidity88%

Indoor Humidity88% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover66%

Visibility10 mi

Cloud Ceiling4000 ft

11 PM

79°
RealFeel® 90°
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
rain drop 40%
Chevron down
Intermittent clouds
alerts

Heat Advisory

8:00 PM Thursday - 8:00 PM Sunday

Heat Index81°

WindS 2 mph

Air QualityFair

Wind Gusts2 mph

Humidity91%

Indoor Humidity91% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover57%

Visibility10 mi

Cloud Ceiling26700 ft

Hourly Weather Forecast for Lyon

AccuWeather's hourly forecast for Lyon provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 94° with a RealFeel® of 111°, partly sunny with a 11% chance of precipitation. Each hourly forecast includes wind speed, humidity, air quality, UV index, and the AccuLumen Brightness Index™, AccuWeather's measure of perceived outdoor light intensity. Forecasts are generated by proprietary systems developed by AccuWeather meteorologists since 1962.

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