Storm Station
Mitchell, Illinois
46° 70°/57°
Overcast· Feels like 46°·Light air 2 mph NE
A slight chance of rain showers after 4am. Mostly cloudy, with a low around 58. Wind around 0 mph. Chance of precipitation is 20%.
0UV Low
39Air quality
87%Humidity
100%Cloud
Now
3:15 AM
46feels46
now, overcast
Today
Sep 27
7057
11%
overcast
Mon
Sep 28
7955
overcast
Tue
Sep 29
8860
overcast
Wed
Sep 30
9270
11%
14mph
overcast
Thu
Oct 1
8168
55%
showers
Fri
Oct 2
6657
47%
drizzle
Sat
Oct 3
5955
37%
rain
46°
70°57°
79°55°
88°60°
92°70°
81°68°
66°57°
59°55°

As of 3:15 AM in Mitchell, Illinois.

What is measuring near here

The 4 instruments nearest Mitchell, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 1.6 miles away.

measured now2 instruments

Alton/St Louis RALN

At an airfield/8.9 mi away/545 ft/119 ft above here

temp, wind, gust, visibility, precip, pressure

Rank414of 417

measured daily2 instruments

Granite City 2.7 NEIL-MD-47

In a volunteer observer's own ground/1.6 mi away/425 ft/1 ft below here

precip, snowfall, snow depth

Rank-

AltonALNI2

At a cooperative observer's station/9.9 mi away/394 ft/32 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Alton/St Louis R, drawn

The nearest airport reporting now, 8.9 mi from Mitchell. From its report of Sep 27, 2026, 3:15 AM local time: 3 of its 6 sheets.

The sky

No cloud below 12,000 ft; visibility 10 mi or more.

Section of the sky over Alton/St Louis R, height above the station to scale: no cloud detected below 12,000 feet, the reach of its ceilometer, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT ALNFIG. A THE SKY OVER ALTON/ST LOUIS RSECTION, HEIGHT ABOVE THE STATION TO SCALE, EACH LAYER AT THE HEIGHT OF ITS BASE AS REPORTED; COVER IN EIGHTHS OF THE SKY; TOPS NOT MEASUREDFT ABOVE THE STATION05001,0001,5002,0002,5003,000ETAGESLOWTHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETNO CLOUD DETECTED BELOW 12,000 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLEAlton/St Louis R, the skySTATION REPORT · ASOS ALNTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-09-27IDSR-ALN-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

56.5 F with a dew point of 55.0 F, 95 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 300 ft up.

Chart of the air at Alton/St Louis R: temperature 56.5 degrees Fahrenheit and dew point 55.0, 95 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 300 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT ALNFIG. B THE AIR AT ALTON/ST LOUIS RTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,00040 F50 F60 F70 FSATURATES 300 FT ABOVE THE STATION, AT 54.6 FTEMPERATURE AND DEW POINT 56.5 F, 55.0 FRELATIVE HUMIDITY 95 PER CENTTHE AIR COOLS ABOUT 5.4 F EACH 1,000 FT IT RISES, AND ITS DEW POINT ABOUT 1 FSOLID: THE LIFTED AIR'S TEMPERATURE; DASHED: ITS DEW POINTTITLEAlton/St Louis R, the airSTATION REPORT · ASOS ALNTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-09-27IDSR-ALN-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

Calm.

Plan of the wind at Alton/St Louis R, north up: calm; beside it the Beaufort scale from calm to hurricane force, force 0, calm, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT ALNFIG. C THE WIND AT ALTON/ST LOUIS RPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONCALMBEAUFORT FORCELEAST WIND, MPH0CALM0NOW, 0 MPH1LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEAlton/St Louis R, the windSTATION REPORT · ASOS ALNTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-09-27IDSR-ALN-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Alton/St Louis R, in 6 sheets, each beside the Field Book plates that explain it

-in

Snow on the ground

Elsewhere in Illinois

23 places, each with its own forecast and its own instruments.

Near Mitchell

The nearest places, each with its own forecast and the instruments nearest it.