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As of 05:40 CDT

Weather in Mount Vernon, IL

68°Current weather

Mount Vernon, Sunday, 9 August, 05:40

Clear. Feels like 70°. High 93°, low 68°.

Pressure30.03 inHg
Wind5.3 mph S
Humidity98%
Visibility6.2 mi
Dew point68°

Two-week outlook for Mount Vernon, IL: week one averages a high of 89.7° and week two 96.3°, so week two runs 6.5° warmer than week one. Around 0.8 inches of precipitation are expected over the 14 days, across 4 wet days. The nearest weekend, August 9: 93°, dry.

Week one vs week two

WeekHighLowPrecipitationVs normal
1st (August 9 – August 15)89.7°71.4°0.8 in / 4 d—
2nd (August 16 – August 22)96.3°73.8°0.0 in / 0 d—

Weekend weather

Sun, August 9
Mostly clear
93°68°
no precip.
Sat, August 15
Light rain
84°65°
0.05 in
Sun, August 16
Partly cloudy
87°69°
no precip.
Sat, August 22
Clear
103°78°
no precip.
Mon, 1096° / 76°0Clear
96 °Clear

Mount Vernon, Monday, 10 August

Clear. High 96°, low 76°.

Pressure29.97 inHg
Wind15 mph SW
Humidity56%
Visibility6.2 mi
Dew point73°
Tue, 1198° / 76°0Overcast
98 °Overcast

Mount Vernon, Tuesday, 11 August

Overcast. High 98°, low 76°.

Pressure29.91 inHg
Wind10.1 mph SW
Humidity53%
Visibility6.2 mi
Dew point73°
Wed, 1296° / 75°0.25Rain
96 °Rain

Mount Vernon, Wednesday, 12 August

Rain. High 96°, low 75°.

Pressure29.83 inHg
Wind11 mph W
Humidity55%
Visibility6.2 mi
Dew point73°
Thu, 1386° / 71°0.3Light rain
86 °Light rain

Mount Vernon, Thursday, 13 August

Light rain. High 86°, low 71°.

Pressure29.91 inHg
Wind13.4 mph E
Humidity70%
Visibility—
Dew point72°
Fri, 1476° / 67°0.19Rain
76 °Rain

Mount Vernon, Friday, 14 August

Rain. High 76°, low 67°.

Pressure30.06 inHg
Wind16 mph E
Humidity85%
Visibility—
Dew point66°
Sat, 1584° / 65°0.05Light rain
84 °Light rain

Mount Vernon, Saturday, 15 August

Light rain. High 84°, low 65°.

Pressure30.12 inHg
Wind11.5 mph E
Humidity75%
Visibility—
Dew point69°
Sun, 1687° / 69°0Partly cloudy
87 °Partly cloudy

Mount Vernon, Sunday, 16 August

Partly cloudy. High 87°, low 69°.

Pressure30.03 inHg
Wind10.6 mph N
Humidity65%
Visibility—
Dew point72°
Mon, 1787° / 71°0.01Light rain
87 °Light rain

Mount Vernon, Monday, 17 August

Light rain. High 87°, low 71°.

Pressure30.06 inHg
Wind8.1 mph E
Humidity63%
Visibility—
Dew point69°
Tue, 1888° / 68°0Mostly clear
88 °Mostly clear

Mount Vernon, Tuesday, 18 August

Mostly clear. High 88°, low 68°.

Pressure30.00 inHg
Wind9.5 mph E
Humidity56%
Visibility—
Dew point66°
Wed, 1999° / 73°0Overcast
99 °Overcast

Mount Vernon, Wednesday, 19 August

Overcast. High 99°, low 73°.

Pressure29.91 inHg
Wind10.1 mph S
Humidity49%
Visibility—
Dew point70°
Thu, 20110° / 79°0Overcast
110 °Overcast

Mount Vernon, Thursday, 20 August

Overcast. High 110°, low 79°.

Pressure29.85 inHg
Wind12.1 mph S
Humidity34%
Visibility—
Dew point65°
Fri, 21100° / 79°0Mostly clear
100 °Mostly clear

Mount Vernon, Friday, 21 August

Mostly clear. High 100°, low 79°.

Pressure29.85 inHg
Wind12.4 mph SW
Humidity32%
Visibility—
Dew point62°
Sat, 22103° / 78°0Clear
103 °Clear

Mount Vernon, Saturday, 22 August

Clear. High 103°, low 78°.

Pressure29.88 inHg
Wind8.4 mph S
Humidity36%
Visibility—
Dew point65°

About this forecast

Can I plan a trip on a 2-week forecast?

Week one is solid for planning — accuracy is high. Week two shows the trend: go by the averages and the comparison with normal, and check the details closer to the date.

What does the "Vs normal" column mean?

It is the gap between the forecast and the climate normal for those same dates in Mount Vernon, IL, computed over 60 years. A positive value means the week runs warmer than usual.

Why are weekends shown separately?

Saturday and Sunday plans are what people check most, so we give them their own cards with temperature and precipitation.