Storm Station
Ruma, Illinois
57° 78°/57°
Overcast· Feels like 57°·Light breeze 4 mph WNW
Cloudy. Low around 56, with temperatures rising to around 60 overnight. Wind around 0 mph.
0UV Low
-Air quality
82%Humidity
99%Cloud
Now
4:00 AM
57feels57
now, overcast
Today
Sep 27
7857
11%
overcast
Mon
Sep 28
7957
overcast
Tue
Sep 29
9058
overcast
Wed
Sep 30
9264
17mph
overcast
Thu
Oct 1
7970
50%
showers light
Fri
Oct 2
7055
50%
13mph
showers light
Sat
Oct 3
6154
36%
showers light
57°
78°57°
79°57°
90°58°
92°64°
79°70°
70°55°
61°54°

As of 4:00 AM in Ruma, Illinois.

What is measuring near here

The 3 instruments nearest Ruma, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 4.2 miles away.

measured now1 instrument

SpartaSAR

At an airfield/16.3 mi away/538 ft/84 ft above here

temp, wind, gust, visibility, precip, pressure

Rank281of 417

measured daily2 instruments

Red BudREDI2

At a cooperative observer's station/4.2 mi away/440 ft/14 ft below here

snowfall, snow depth, precip, high, low

Rank-

Red Bud 0.3 SIL-RH-13

In a volunteer observer's own ground/5.1 mi away/489 ft/35 ft above here

precip, snowfall, snow depth

Rank-

Station report

The weather at Sparta, drawn

The nearest airport reporting now, 16.3 mi from Ruma. From its report of Sep 27, 2026, 3:55 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 Sparta, 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 SARFIG. A THE SKY OVER SPARTASECTION, 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 MORE0510TITLESparta, the skySTATION REPORT · ASOS SARTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-09-27IDSR-SAR-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

57.6 F with a dew point of 55.2 F, 92 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 600 ft up.

Chart of the air at Sparta: temperature 57.6 degrees Fahrenheit and dew point 55.2, 92 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 600 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT SARFIG. B THE AIR AT SPARTATHE 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 600 FT ABOVE THE STATION, AT 54.6 FTEMPERATURE AND DEW POINT 57.6 F, 55.2 FRELATIVE HUMIDITY 92 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 POINTTITLESparta, the airSTATION REPORT · ASOS SARTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-09-27IDSR-SAR-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 Sparta, 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 SARFIG. C THE WIND AT SPARTAPLAN, 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 FORCE73TITLESparta, the windSTATION REPORT · ASOS SARTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-09-27IDSR-SAR-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Sparta, 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 Ruma

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