As of 03:32 CDT

Weather in Vandalia, IL

72°Current weather

Vandalia, Sunday, 9 August, 03:32

Mostly clear. Feels like 74°. High 94°, low 72°.

Pressure30.00 inHg
Wind6.3 mph S
Humidity95%
Visibility6.2 mi
Dew point71°

10-day forecast for Vandalia, IL: 65° to 98°, with precipitation expected on 5 days. The table below breaks each day into morning, afternoon, evening and overnight.

95°
Best day: Tuesday, August 11
73° · 0.19 in
Worst day: Friday, August 14

Tap any day below to see morning, afternoon, evening and overnight.

Mon, 1098° / 73°0.2Rain
MorningOvercast79°feels 79°
AfternoonMostly clear97°feels 110°
EveningOvercast85°feels 89°
OvernightClear81°feels 86°
98 °Rain

Vandalia, Monday, 10 August

Rain. High 98°, low 73°.

Pressure29.94 inHg
Wind14.2 mph SW
Humidity60%
Visibility6.2 mi
Dew point73°
Tue, 1195° / 72°0Overcast
MorningOvercast74°feels 74°
AfternoonClear94°feels 105°
EveningClear85°feels 90°
OvernightOvercast72°feels 73°
95 °Overcast

Vandalia, Tuesday, 11 August

Overcast. High 95°, low 72°.

Pressure29.91 inHg
Wind12.8 mph SW
Humidity66%
Visibility6.2 mi
Dew point74°
Wed, 1289° / 75°0.17Rain
MorningOvercast77°feels 78°
AfternoonOvercast89°feels 97°
EveningMostly clear81°feels 87°
OvernightOvercast82°feels 84°
89 °Rain

Vandalia, Wednesday, 12 August

Rain. High 89°, low 75°.

Pressure29.83 inHg
Wind6 mph NW
Humidity74%
Visibility6.2 mi
Dew point73°
Thu, 1385° / 69°0.21Light rain
MorningLight rain73°feels 76°
AfternoonLight rain83°feels 87°
EveningLight rain74°feels 76°
OvernightLight rain69°feels 71°
85 °Light rain

Vandalia, Thursday, 13 August

Light rain. High 85°, low 69°.

Pressure29.91 inHg
Wind12.8 mph NE
Humidity65%
Visibility
Dew point69°
Fri, 1473° / 65°0.19Light rain
MorningLight rain67°feels 68°
AfternoonLight rain72°feels 73°
EveningLight rain70°feels 71°
OvernightLight rain66°feels 67°
73 °Light rain

Vandalia, Friday, 14 August

Light rain. High 73°, low 65°.

Pressure30.09 inHg
Wind16.3 mph E
Humidity81%
Visibility
Dew point65°
Sat, 1582° / 65°0.16Light rain
MorningLight rain69°feels 69°
AfternoonLight rain79°feels 80°
EveningLight rain77°feels 79°
OvernightLight rain70°feels 71°
82 °Light rain

Vandalia, Saturday, 15 August

Light rain. High 82°, low 65°.

Pressure30.15 inHg
Wind13 mph E
Humidity73%
Visibility
Dew point67°
Sun, 1685° / 68°0Overcast
MorningOvercast73°feels 75°
AfternoonOvercast84°feels 91°
EveningOvercast81°feels 87°
OvernightOvercast73°feels 75°
85 °Overcast

Vandalia, Sunday, 16 August

Overcast. High 85°, low 68°.

Pressure30.03 inHg
Wind9.4 mph E
Humidity71%
Visibility
Dew point71°
Mon, 1784° / 70°0Partly cloudy
MorningPartly cloudy74°feels 75°
AfternoonPartly cloudy82°feels 85°
EveningPartly cloudy78°feels 79°
OvernightPartly cloudy74°feels 74°
84 °Partly cloudy

Vandalia, Monday, 17 August

Partly cloudy. High 84°, low 70°.

Pressure30.06 inHg
Wind8.9 mph NE
Humidity64%
Visibility
Dew point67°
Tue, 1887° / 66°0Overcast
MorningOvercast71°feels 73°
AfternoonOvercast84°feels 88°
EveningOvercast80°feels 84°
OvernightOvercast75°feels 76°
87 °Overcast

Vandalia, Tuesday, 18 August

Overcast. High 87°, low 66°.

Pressure30.00 inHg
Wind9.4 mph SE
Humidity59%
Visibility
Dew point66°

About this forecast

How reliable is a 10-day forecast?

The first 3–5 days are the most reliable, typically within 2–4°. From day six to ten the models show the trend: the direction of change is right more often than the exact numbers.

What does the time-of-day table show?

Temperature in Vandalia, IL around 8am, 2pm, 8pm and 2am each day — handy for planning a walk, a drive or work outdoors.

How is the best day chosen?

We weigh the daytime high against precipitation: a warm, dry day scores highest.