Storm Station
Simpson, Illinois
59° 78°/56°
Clear· Feels like 59°·Light air 2 mph NE
Mostly cloudy, with a low around 57. Wind around 0 mph.
0UV Low
28Air quality
77%Humidity
0%Cloud
Now
3:15 AM
59feels59
now, clear
Today
Sep 27
7856
overcast
Mon
Sep 28
7954
overcast
Tue
Sep 29
8757
overcast
Wed
Sep 30
9263
overcast
Thu
Oct 1
9371
36%
14mph
drizzle light
Fri
Oct 2
7057
44%
drizzle
Sat
Oct 3
6857
35%
rain
59°
78°56°
79°54°
87°57°
92°63°
93°71°
70°57°
68°57°

As of 3:15 AM in Simpson, Illinois.

What is measuring near here

The 4 instruments nearest Simpson, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 1.8 miles away.

measured now2 instruments

Dixon Springs-RAWSDSFI2

A remote fire weather station/5.3 mi away/541 ft/133 ft above here

temp, wind, gust, humidity, pressure

Rank88of 417

Marion RegionalMWA

At an airfield/24.3 mi away/472 ft/64 ft above here

temp, wind, gust, visibility, precip, pressure

Rank405of 417

measured daily2 instruments

Simpson 1.8 NWIL-JH-5

In a volunteer observer's own ground/1.8 mi away/665 ft/257 ft above here

precip, snowfall, snow depth

Rank-

Agricultural CenterDSAI2

On a farm or research station/5.5 mi away/535 ft/127 ft above here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Marion Regional, drawn

The nearest airport reporting now, 24.3 mi from Simpson. 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 Marion Regional, 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 MWAFIG. A THE SKY OVER MARION REGIONALSECTION, 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 MORE0510TITLEMarion Regional, the skySTATION REPORT · ASOS MWATYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-09-27IDSR-MWA-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

55.4 F with a dew point of 53.6 F, 94 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 400 ft up.

Chart of the air at Marion Regional: temperature 55.4 degrees Fahrenheit and dew point 53.6, 94 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 400 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT MWAFIG. B THE AIR AT MARION REGIONALTHE 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 400 FT ABOVE THE STATION, AT 53.2 FTEMPERATURE AND DEW POINT 55.4 F, 53.6 FRELATIVE HUMIDITY 94 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 POINTTITLEMarion Regional, the airSTATION REPORT · ASOS MWATYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-09-27IDSR-MWA-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the west southwest (250 degrees) at 2 mph: force 1, a light air on the Beaufort scale.

Plan of the wind at Marion Regional, north up: blowing from 250 degrees, the west southwest, at 2 miles an hour; beside it the Beaufort scale from calm to hurricane force, force 1, light air, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT MWAFIG. C THE WIND AT MARION REGIONALPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 250°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR1NOW, 2 MPH2LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEMarion Regional, the windSTATION REPORT · ASOS MWATYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-09-27IDSR-MWA-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Marion Regional, 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 Simpson

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