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As of 22:22 CDT

Weather in Alta, IL

70°Current weather

Alta, Saturday, 8 August, 22:22

Clear. Feels like 71°. High 84°, low 69°.

Pressure30.03 inHg
Wind5.1 mph E
Humidity89%
Visibility6.2 mi
Dew point66°

Two-week outlook for Alta, IL: week one averages a high of 85.5° and week two 74.7°, so week two runs 10.8° cooler than week one. Around 0.6 inches of precipitation are expected over the 14 days, across 4 wet days. The nearest weekend, August 8: 84°, with precipitation.

Week one vs week two

WeekHighLowPrecipitationVs normal
1st (August 8 – August 14)85.5°68°0.2 in / 2 d—
2nd (August 15 – August 21)74.7°58.6°0.4 in / 2 d—

Weekend weather

Sat, August 8
Rain
84°69°
0.11 in
Sun, August 9
Clear
94°67°
no precip.
Sat, August 15
Rain
66°61°
0.24 in
Sun, August 16
Light rain
74°59°
0.04 in
Sun, 0994° / 67°0Clear
94 °Clear

Alta, Sunday, 9 August

Clear. High 94°, low 67°.

Pressure29.91 inHg
Wind14.7 mph S
Humidity64%
Visibility6.2 mi
Dew point74°
Mon, 1093° / 73°0Overcast
93 °Overcast

Alta, Monday, 10 August

Overcast. High 93°, low 73°.

Pressure29.91 inHg
Wind9.3 mph SW
Humidity60%
Visibility6.2 mi
Dew point71°
Tue, 1190° / 73°0.02Light rain
90 °Light rain

Alta, Tuesday, 11 August

Light rain. High 90°, low 73°.

Pressure29.80 inHg
Wind11.1 mph W
Humidity64%
Visibility6.2 mi
Dew point72°
Wed, 1284° / 71°0.07Light rain
84 °Light rain

Alta, Wednesday, 12 August

Light rain. High 84°, low 71°.

Pressure29.85 inHg
Wind4.4 mph N
Humidity70%
Visibility6.2 mi
Dew point72°
Thu, 1376° / 63°0.04Light rain
76 °Light rain

Alta, Thursday, 13 August

Light rain. High 76°, low 63°.

Pressure29.97 inHg
Wind13.6 mph NE
Humidity73%
Visibility—
Dew point65°
Fri, 1477° / 61°0Partly cloudy
77 °Partly cloudy

Alta, Friday, 14 August

Partly cloudy. High 77°, low 61°.

Pressure30.09 inHg
Wind9 mph NE
Humidity63%
Visibility—
Dew point61°
Sat, 1566° / 61°0.24Rain
66 °Rain

Alta, Saturday, 15 August

Rain. High 66°, low 61°.

Pressure30.27 inHg
Wind12.1 mph E
Humidity90%
Visibility—
Dew point58°
Sun, 1674° / 59°0.04Light rain
74 °Light rain

Alta, Sunday, 16 August

Light rain. High 74°, low 59°.

Pressure30.12 inHg
Wind7.4 mph E
Humidity79%
Visibility—
Dew point60°
Mon, 1778° / 62°0Light rain
78 °Light rain

Alta, Monday, 17 August

Light rain. High 78°, low 62°.

Pressure30.06 inHg
Wind5.2 mph NE
Humidity72%
Visibility—
Dew point66°
Tue, 1886° / 64°0Overcast
86 °Overcast

Alta, Tuesday, 18 August

Overcast. High 86°, low 64°.

Pressure30.00 inHg
Wind6.3 mph S
Humidity57%
Visibility—
Dew point64°
Wed, 1974° / 60°0.07Light rain
74 °Light rain

Alta, Wednesday, 19 August

Light rain. High 74°, low 60°.

Pressure29.97 inHg
Wind10.1 mph N
Humidity89%
Visibility—
Dew point65°
Thu, 2071° / 53°0.01Light rain
71 °Light rain

Alta, Thursday, 20 August

Light rain. High 71°, low 53°.

Pressure30.06 inHg
Wind12.2 mph N
Humidity55%
Visibility—
Dew point52°
Fri, 2173° / 51°0Overcast
73 °Overcast

Alta, Friday, 21 August

Overcast. High 73°, low 51°.

Pressure30.03 inHg
Wind9.4 mph E
Humidity53%
Visibility—
Dew point52°

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 Alta, 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.