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Flash flood risk to focus on parts of central US. Get the forecast Chevron right

Mount Sterling, IL

74°F
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Mount Sterling

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Mount Sterling, IL Weather
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Winter Center

Today Hourly

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2
Flood Watch

July 20 - September 2

Sun 7/20

87° /71°
98%
Mostly cloudy and humid with a couple of heavy t-storms; storms can bring damaging winds and the risk of significant flash flooding, creating dangerous travel
alerts

Flood Watch

2:00 AM Sunday - 1:00 PM Monday

RealFeel®99°

RealFeel Shade™93°

Max UV Index7 (High)

WindSE 7 mph

Mon 7/21

85° /72°
42%
Low clouds breaking for some sun and very humid with a thunderstorm in a couple of spots
alerts

Flood Watch

2:00 AM Sunday - 1:00 PM Monday

alerts

Extreme Heat Watch

12:00 PM Monday - 7:00 PM Thursday

RealFeel®94°

RealFeel Shade™90°

Max UV Index4 (Moderate)

WindNNE 7 mph

Tue 7/22

89° /75°
80%
Sunshine and a few clouds with a thunderstorm in the area; very humid
alerts

Extreme Heat Watch

12:00 PM Monday - 7:00 PM Thursday

RealFeel®103°

RealFeel Shade™97°

Max UV Index10 (Very High)

WindSE 9 mph

Wed 7/23

94° /75°
17%
Mostly sunny, hot and humid; danger of dehydration and heatstroke if outside for extended periods of time
alerts

Extreme Heat Watch

12:00 PM Monday - 7:00 PM Thursday

RealFeel®108°

RealFeel Shade™101°

Max UV Index10 (Very High)

WindSSW 7 mph

Thu 7/24

96° /71°
25%
Hot and humid with plenty of sunshine; danger of dehydration and heatstroke if outside for extended periods of time
alerts

Extreme Heat Watch

12:00 PM Monday - 7:00 PM Thursday

RealFeel®111°

RealFeel Shade™103°

Max UV Index10 (Very High)

WindSSW 8 mph

Fri 7/25

89° /72°
40%
Sunny to partly cloudy and very humid; a thunderstorm around in the afternoon

RealFeel®105°

RealFeel Shade™98°

Max UV Index10 (Very High)

WindWSW 6 mph

Sat 7/26

90° /70°
72%
Variable cloudiness with a couple of thunderstorms, mainly late; humid

RealFeel®104°

RealFeel Shade™99°

Max UV Index6 (High)

WindSSE 6 mph

Sun 7/27

91° /69°
3%
Mostly sunny

RealFeel®95°

RealFeel Shade™90°

Max UV Index10 (Very High)

WindNW 7 mph

Mon 7/28

89° /68°
3%
Times of clouds and sun

RealFeel®94°

RealFeel Shade™88°

Max UV Index6 (High)

WindESE 4 mph

Tue 7/29

93° /69°
39%
Mostly cloudy and hot with a thunderstorm in spots

RealFeel®99°

RealFeel Shade™95°

Max UV Index5 (Moderate)

WindN 5 mph

Wed 7/30

88° /68°
71%
Clouds and sun with a couple of thunderstorms, especially late; humid

RealFeel®101°

RealFeel Shade™94°

Max UV Index10 (Very High)

WindWSW 4 mph

Thu 7/31

91° /70°
1%
Partly sunny and humid

RealFeel®98°

RealFeel Shade™94°

Max UV Index10 (Very High)

WindNE 8 mph

Fri 8/1

94° /68°
4%
Hot; mostly cloudy in the morning followed by sun through high clouds

RealFeel®99°

RealFeel Shade™98°

Max UV Index6 (High)

WindE 7 mph

Sat 8/2

87° /64°
25%
Cloudy and humid

RealFeel®100°

RealFeel Shade™97°

Max UV Index3 (Moderate)

WindSSW 4 mph

Sun 8/3

83° /67°
57%
A passing shower in the morning; otherwise, humid with intervals of clouds and sunshine

RealFeel®93°

RealFeel Shade™85°

Max UV Index9 (Very High)

WindSSE 5 mph

Mon 8/4

85° /68°
10%
Mostly sunny and humid

RealFeel®93°

RealFeel Shade™85°

Max UV Index9 (Very High)

WindSSW 7 mph

Tue 8/5

88° /68°
65%
Mostly cloudy and humid; a little rain in the morning followed by a couple of showers and a thunderstorm in the afternoon

RealFeel®92°

RealFeel Shade™88°

Max UV Index9 (Very High)

WindSW 9 mph

Wed 8/6

86° /67°
20%
Mostly sunny and humid

RealFeel®98°

RealFeel Shade™88°

Max UV Index9 (Very High)

WindENE 2 mph

Thu 8/7

86° /68°
70%
Cloudy and humid with showers and thunderstorms becoming more widespread

RealFeel®91°

RealFeel Shade™91°

Max UV Index2 (Low)

WindSSE 4 mph

Fri 8/8

82° /67°
59%
A couple of morning showers; otherwise, humid with times of clouds and sun

RealFeel®86°

RealFeel Shade™84°

Max UV Index4 (Moderate)

WindNNW 5 mph

Sat 8/9

82° /65°
25%
Mostly sunny and humid

RealFeel®92°

RealFeel Shade™83°

Max UV Index9 (Very High)

WindNE 5 mph

Sun 8/10

83° /64°
25%
Mostly sunny

RealFeel®91°

RealFeel Shade™83°

Max UV Index9 (Very High)

WindENE 5 mph

Mon 8/11

82° /65°
10%
Brilliant sunshine

RealFeel®91°

RealFeel Shade™83°

Max UV Index9 (Very High)

WindESE 5 mph

Tue 8/12

82° /67°
10%
Mostly sunny and humid

RealFeel®91°

RealFeel Shade™86°

Max UV Index9 (Very High)

WindSSE 6 mph

Wed 8/13

85° /67°
25%
Humid with considerable cloudiness

RealFeel®91°

RealFeel Shade™91°

Max UV Index2 (Low)

WindSSE 8 mph

Thu 8/14

84° /60°
65%
A thick cloud cover and humid with showers and thunderstorms

RealFeel®85°

RealFeel Shade™84°

Max UV Index2 (Low)

WindWNW 9 mph

Fri 8/15

79° /59°
20%
Mostly sunny and less humid

RealFeel®85°

RealFeel Shade™79°

Max UV Index9 (Very High)

WindNNW 5 mph

Sat 8/16

80° /62°
20%
Times of clouds and sun

RealFeel®85°

RealFeel Shade™79°

Max UV Index5 (Moderate)

WindN 2 mph

Sun 8/17

81° /61°
68%
Mostly cloudy; a passing morning shower followed by periods of rain in the afternoon

RealFeel®78°

RealFeel Shade™78°

Max UV Index3 (Moderate)

WindNE 6 mph

Mon 8/18

79° /60°
55%
Cloudy with a little rain

RealFeel®78°

RealFeel Shade™78°

Max UV Index2 (Low)

WindE 7 mph

Tue 8/19

80° /65°
25%
Partly sunny and humid

RealFeel®86°

RealFeel Shade™82°

Max UV Index8 (Very High)

WindESE 6 mph

Wed 8/20

81° /66°
20%
Mostly sunny and humid

RealFeel®90°

RealFeel Shade™83°

Max UV Index8 (Very High)

WindESE 5 mph

Thu 8/21

82° /65°
25%
Humid with a blend of sun and clouds

RealFeel®86°

RealFeel Shade™84°

Max UV Index3 (Moderate)

WindENE 2 mph

Fri 8/22

85° /66°
10%
Mostly sunny and humid

RealFeel®96°

RealFeel Shade™93°

Max UV Index8 (Very High)

WindNNE 4 mph

Sat 8/23

86° /66°
25%
Turning out cloudy and humid

RealFeel®88°

RealFeel Shade™88°

Max UV Index4 (Moderate)

WindSSE 7 mph

Sun 8/24

87° /65°
25%
Humid with intervals of clouds and sunshine

RealFeel®89°

RealFeel Shade™88°

Max UV Index8 (Very High)

WindSSW 9 mph

Mon 8/25

87° /66°
20%
Partly sunny and humid

RealFeel®92°

RealFeel Shade™87°

Max UV Index8 (Very High)

WindN 6 mph

Tue 8/26

82° /65°
20%
Mostly sunny

RealFeel®87°

RealFeel Shade™82°

Max UV Index8 (Very High)

WindESE 6 mph

Wed 8/27

86° /66°
55%
Variable cloudiness with a thunderstorm; humid

RealFeel®92°

RealFeel Shade™88°

Max UV Index2 (Low)

WindSW 8 mph

Thu 8/28

87° /64°
20%
Less humid with plenty of sunshine

RealFeel®93°

RealFeel Shade™86°

Max UV Index7 (High)

WindNNW 5 mph

Fri 8/29

85° /64°
25%
Partly sunny

RealFeel®87°

RealFeel Shade™83°

Max UV Index4 (Moderate)

WindE 4 mph

Sat 8/30

87° /65°
20%
Warm with sunshine and a few clouds

RealFeel®88°

RealFeel Shade™85°

Max UV Index7 (High)

WindSE 8 mph

Sun 8/31

87° /66°
5%
Warm and humid with plenty of sunshine

RealFeel®90°

RealFeel Shade™86°

Max UV Index7 (High)

WindS 10 mph

Mon 9/1

86° /64°
1%
Plenty of sunshine

RealFeel®87°

RealFeel Shade™85°

Max UV Index7 (High)

WindS 10 mph

Tue 9/2

87° /64°
39%
Mostly sunny with widely separated thunderstorms

RealFeel®89°

RealFeel Shade™86°

Max UV Index6 (High)

WindS 13 mph

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World North America United States Illinois Mount Sterling

Weather Near Mount Sterling:

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