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Mercer, IL Weather Forecast and Current Conditions

Sunny 66°F
Feels Like 66°F  
Humidity 75% Dew Point 58°F Wind S 2 MPH Gusts 3 Barometer 30.13 in.765.3 mm
Solar Rad 128 w/m2 UV Index 1
Report from a personal weather station 12.3 miles N of central Mercer
at

Current Weather  

Sunny 66°F
Feels Like 66°F  
Humidity 75% Dew Point 58°F Wind S 2 MPH Gusts 3 Barometer 30.13 in.765.3 mm
Solar Rad 128 w/m2 UV Index 1
Report from a personal weather station 12.3 miles N of central Mercer
at

Forecast at a Glance

MonSep 29
Mon Sep 29: Sunny, High 89°F, Low 58°F
89°
58°
TueSep 30
Tue Sep 30: Sunny, High 89°F, Low 60°F
89°
60°
WedOct 1
Wed Oct 1: Sunny, High 85°F, Low 58°F
85°
58°
ThuOct 2
Thu Oct 2: Sunny, High 87°F, Low 59°F
87°
59°
FriOct 3
Fri Oct 3: Sunny, High 88°F, Low 63°F
88°
63°
SatOct 4
Sat Oct 4: Sunny, High 87°F, Low 61°F
10%
87°
61°
SunOct 5
Sun Oct 5: Rain Showers With Sunny, High 85°F, Low 61°F
20%
85°
61°

This Date in Weather History

1927 - An outbreak of tornadoes from Oklahoma to Indiana caused 81 deaths and 25 million dollars damage. A tornadocut an eight-mile long path across Saint Louis MO, to Granite City IL, killing 79 persons. The damage path at times was a mile and a quarter in width. The storm followed a similar path to tornadoes which struck in 1871, 1896, and 1959.

More on this and other weather history

Mercer 7 Day Weather Forecast Details

Monday Sep 29

Sunny

Day: Sunny. High near 89, with temperatures falling to around 86 in the afternoon. South wind 0 to 5 mph.

Clear

Night: Mostly clear, with a low around 58. East wind around 0 mph.

Tuesday Sep 30

Sunny

Day: Mostly sunny. High near 89, with temperatures falling to around 86 in the afternoon. East wind 0 to 5 mph.

Mostly Cloudy

Night: Mostly cloudy, with a low around 60. East wind around 5 mph.

Wednesday Oct 1

Sunny

Day: Partly sunny, with a high near 85.

Mostly Cloudy

Night: Mostly cloudy, with a low around 58.

Thursday Oct 2

Sunny

Day: Sunny, with a high near 87.

Clear

Night: Clear, with a low around 59.

Friday Oct 3

Sunny

Day: Sunny, with a high near 88.

Clear

Night: Clear, with a low around 63.

Saturday Oct 4

Sunny

Day: Sunny, with a high near 87.

Chance Rain Showers

Night: A slight chance of rain showers after 7pm. Mostly clear, with a low around 61.

Sunday Oct 5

Rain Showers With Sunny

Day: A slight chance of rain showers before 7am. Sunny, with a high near 85.

Partly Cloudy

Night: Partly cloudy, with a low around 61.

Sun & Moon   Monthly

First Light 6:31 AM

Sunrise 6:58 AM

Sunset 6:49 PM

Last Light 7:17 PM

Moonrise 2:46 PM

Moonset 11:23 PM

Moon Phase
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Weather Near Mercer

Rozetta, IL

Moline, IL

Park View, IA

London Mills, IL

Contiguous United States Extremes

Sun's High Temperature
99 at Rio Grande Village, TX

Mon's Low Temperature
23 at 32 Miles West-southwest Of Bynum, MT

Weather Folklore

If burning coals stick to the bottom of a pot, it is the sign of a tempest.

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How We Provide Better Local Weather

We use the closest available weather station to this location - often much closer than the regional airport many other sites use. This includes professional MESONET and MADIS stations plus reliable local networks.

Our forecasts come from National Weather Service point predictions for this specific area, not generic regional zone forecasts, giving you more relevant and accurate outlooks.