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As of 04:02 CDT

Weather in Johannisburg, IL

71°Current weather

Johannisburg, Sunday, 9 August, 04:02

Clear. Feels like 72°. High 95°, low 71°.

Pressure30.06 inHg
Wind6.6 mph S
Humidity96%
Visibility6.2 mi
Dew point70°
Mon, 1099° / 74°0.01Light rain
99 °Light rain

Johannisburg, Monday, 10 August

Light rain. High 99°, low 74°.

Pressure29.94 inHg
Wind12.4 mph SW
Humidity45%
Visibility6.2 mi
Dew point70°
Tue, 11100° / 75°0Light rain
100 °Light rain

Johannisburg, Tuesday, 11 August

Light rain. High 100°, low 75°.

Pressure29.88 inHg
Wind11.4 mph SW
Humidity42%
Visibility6.2 mi
Dew point69°
Wed, 1298° / 77°0.06Light rain
98 °Light rain

Johannisburg, Wednesday, 12 August

Light rain. High 98°, low 77°.

Pressure29.83 inHg
Wind10.1 mph W
Humidity50%
Visibility6.2 mi
Dew point71°
Thu, 1386° / 72°0.25Light rain
86 °Light rain

Johannisburg, Thursday, 13 August

Light rain. High 86°, low 72°.

Pressure29.91 inHg
Wind13.8 mph E
Humidity68%
Visibility—
Dew point72°
Fri, 1476° / 67°0.19Light rain
76 °Light rain

Johannisburg, Friday, 14 August

Light rain. High 76°, low 67°.

Pressure30.06 inHg
Wind14.2 mph E
Humidity82%
Visibility—
Dew point66°
Sat, 1587° / 66°0.07Light rain
87 °Light rain

Johannisburg, Saturday, 15 August

Light rain. High 87°, low 66°.

Pressure30.12 inHg
Wind11.5 mph E
Humidity71%
Visibility—
Dew point69°
Sun, 1689° / 70°0Partly cloudy
89 °Partly cloudy

Johannisburg, Sunday, 16 August

Partly cloudy. High 89°, low 70°.

Pressure30.03 inHg
Wind10.1 mph N
Humidity67%
Visibility—
Dew point71°
Mon, 1788° / 72°0.07Light rain
88 °Light rain

Johannisburg, Monday, 17 August

Light rain. High 88°, low 72°.

Pressure30.06 inHg
Wind7 mph N
Humidity61%
Visibility—
Dew point69°
Tue, 1891° / 68°0Mostly clear
91 °Mostly clear

Johannisburg, Tuesday, 18 August

Mostly clear. High 91°, low 68°.

Pressure29.97 inHg
Wind11.7 mph SE
Humidity55%
Visibility—
Dew point67°
Wed, 19102° / 75°0Partly cloudy
102 °Partly cloudy

Johannisburg, Wednesday, 19 August

Partly cloudy. High 102°, low 75°.

Pressure29.88 inHg
Wind12.3 mph S
Humidity38%
Visibility—
Dew point66°
Thu, 20114° / 80°0Mostly clear
114 °Mostly clear

Johannisburg, Thursday, 20 August

Mostly clear. High 114°, low 80°.

Pressure29.83 inHg
Wind14.1 mph S
Humidity19%
Visibility—
Dew point55°
Fri, 21105° / 80°0Clear
105 °Clear

Johannisburg, Friday, 21 August

Clear. High 105°, low 80°.

Pressure29.83 inHg
Wind11.3 mph NW
Humidity21%
Visibility—
Dew point55°
Sat, 22109° / 79°0Partly cloudy
109 °Partly cloudy

Johannisburg, Saturday, 22 August

Partly cloudy. High 109°, low 79°.

Pressure29.85 inHg
Wind9.9 mph SE
Humidity28%
Visibility—
Dew point60°
Sun, 23109° / 78°0Overcast
109 °Overcast

Johannisburg, Sunday, 23 August

Overcast. High 109°, low 78°.

Pressure29.85 inHg
Wind9.4 mph SW
Humidity26%
Visibility—
Dew point60°
Mon, 2499° / 78°0.03Light rain
99 °Light rain

Johannisburg, Monday, 24 August

Light rain. High 99°, low 78°.

Pressure29.97 inHg
Wind9.8 mph E
Humidity43%
Visibility—
Dew point67°

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 Johannisburg, 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 Johannisburg, 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.