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As of 08:19 CDT

Weather in Prairie City, IL

73°Current weather

Prairie City, Sunday, 9 August, 08:19

Overcast. Feels like 74°. High 93°, low 68°.

Pressure29.97 inHg
Wind8.4 mph S
Humidity89%
Visibility6.2 mi
Dew point71°
Mon, 1094° / 75°0Overcast
94 °Overcast

Prairie City, Monday, 10 August

Overcast. High 94°, low 75°.

Pressure29.88 inHg
Wind8.4 mph S
Humidity70%
Visibility6.2 mi
Dew point73°
Tue, 1196° / 75°0Light rain
96 °Light rain

Prairie City, Tuesday, 11 August

Light rain. High 96°, low 75°.

Pressure29.83 inHg
Wind14.2 mph SW
Humidity52%
Visibility6.2 mi
Dew point70°
Wed, 1287° / 71°0.09Light rain
87 °Light rain

Prairie City, Wednesday, 12 August

Light rain. High 87°, low 71°.

Pressure29.83 inHg
Wind5.9 mph NE
Humidity68%
Visibility6.2 mi
Dew point74°
Thu, 1376° / 64°1.43Heavy rain
76 °Heavy rain

Prairie City, Thursday, 13 August

Heavy rain. High 76°, low 64°.

Pressure29.88 inHg
Wind14.1 mph NE
Humidity86%
Visibility—
Dew point71°
Fri, 1475° / 64°0.52Rain
75 °Rain

Prairie City, Friday, 14 August

Rain. High 75°, low 64°.

Pressure30.06 inHg
Wind15.6 mph E
Humidity80%
Visibility—
Dew point67°
Sat, 1581° / 66°0.16Light rain
81 °Light rain

Prairie City, Saturday, 15 August

Light rain. High 81°, low 66°.

Pressure30.09 inHg
Wind15.5 mph SE
Humidity81%
Visibility—
Dew point69°
Sun, 1678° / 68°0Overcast
78 °Overcast

Prairie City, Sunday, 16 August

Overcast. High 78°, low 68°.

Pressure30.06 inHg
Wind13.6 mph NW
Humidity75%
Visibility—
Dew point68°
Mon, 1777° / 60°0Partly cloudy
77 °Partly cloudy

Prairie City, Monday, 17 August

Partly cloudy. High 77°, low 60°.

Pressure30.12 inHg
Wind8.2 mph N
Humidity59%
Visibility—
Dew point59°
Tue, 1885° / 61°0Overcast
85 °Overcast

Prairie City, Tuesday, 18 August

Overcast. High 85°, low 61°.

Pressure29.83 inHg
Wind11.7 mph S
Humidity69%
Visibility—
Dew point66°
Wed, 1979° / 64°0Overcast
79 °Overcast

Prairie City, Wednesday, 19 August

Overcast. High 79°, low 64°.

Pressure29.88 inHg
Wind13.8 mph NW
Humidity56%
Visibility—
Dew point61°
Thu, 2080° / 60°0Mostly clear
80 °Mostly clear

Prairie City, Thursday, 20 August

Mostly clear. High 80°, low 60°.

Pressure29.97 inHg
Wind5.8 mph W
Humidity58%
Visibility—
Dew point60°
Fri, 2188° / 62°0.02Light rain
88 °Light rain

Prairie City, Friday, 21 August

Light rain. High 88°, low 62°.

Pressure29.77 inHg
Wind19.2 mph S
Humidity55%
Visibility—
Dew point62°
Sat, 2285° / 66°0.02Light rain
85 °Light rain

Prairie City, Saturday, 22 August

Light rain. High 85°, low 66°.

Pressure29.85 inHg
Wind15.3 mph NW
Humidity42%
Visibility—
Dew point57°
Sun, 2380° / 59°0Clear
80 °Clear

Prairie City, Sunday, 23 August

Clear. High 80°, low 59°.

Pressure30.15 inHg
Wind7.2 mph SE
Humidity49%
Visibility—
Dew point55°
Mon, 2482° / 59°0Clear
82 °Clear

Prairie City, Monday, 24 August

Clear. High 82°, low 59°.

Pressure30.21 inHg
Wind8.2 mph SE
Humidity48%
Visibility—
Dew point55°

About the monthly outlook

How accurate is a 30-day forecast?

The first 16 days come from weather models — reliable for the first 3–5 days and progressively less so after that. Days 17 through 30 for Prairie City, IL are built from the climate normal, the 60-year average, so they show typical weather for those dates rather than a specific forecast.

What does "above normal" mean?

We compare the forecast against the climate normal for those exact calendar days, computed from 60 years of observations. The deviation shows how much the coming month differs from a typical one.

Where do the 66-year records come from?

They are real temperature extremes recorded in Prairie City, IL since 1960: the highest and lowest reading for each calendar date, with the year it happened.

How often is it updated?

The forecast portion refreshes every hour; the climate portion is based on long-term data and stays stable.