Storm Station
Marathon, Iowa
62°
Light rain· Feels like 62°·Light breeze 8 mph SE
Areas of drizzle and areas of fog. Cloudy, with a low around 61. Southeast wind around 5 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
-UV
-Air quality
97%Humidity
96%Cloud

What is measuring near here

The 4 instruments nearest Marathon, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 4.7 miles away.

measured now2 instruments

Storm Lake (US 71/IA 3)RSLI4

Beside a road/11.5 mi away/1,329 ft/64 ft below here

temp, pavement temp, wind, visibility, precip

Rank571of 652

Storm LakeSLB

At an airfield/22.3 mi away/1,476 ft/83 ft above here

temp, wind, gust, visibility, precip, pressure

Rank209of 652

measured daily2 instruments

Sioux Rapids 4 ESXRI4

At a cooperative observer's station/4.7 mi away/1,378 ft/15 ft below here

snowfall, snow depth, precip, high, low

Rank-

Dickens 4.6 SSEIA-CY-10

In a volunteer observer's own ground/14.6 mi away/1,407 ft/14 ft above here

precip, snowfall, snow depth

Rank-

Station report

The weather at Storm Lake, drawn

The nearest airport reporting now, 22.3 mi from Marathon. From its report of Sep 27, 2026, 4:35 AM local time: 3 of its 6 sheets.

The sky

Overcast at 200 ft; the ceiling is 200 ft; visibility 2 mi.

Section of the sky over Storm Lake, height above the station to scale: overcast cloud with its base at 200 feet, the ceiling at 200 feet, and visibility of 2 mi.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT SLBFIG. A THE SKY OVER STORM LAKESECTION, 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 SHEETOVC 200 FTOVERCAST, 8 EIGHTHS OF THE SKYCEILING 200 FTVISIBILITY, MILES: 2 MI0510TITLEStorm Lake, the skySTATION REPORT · ASOS SLBTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-09-27IDSR-SLB-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

62.6 F with a dew point of 62.6 F, 100 per cent relative humidity. The air is saturated at the ground; the lowest cloud reported is at 200 ft.

Chart of the air at Storm Lake: temperature 62.6 degrees Fahrenheit and dew point 62.6, 100 per cent relative humidity; the air saturated at the ground, against the lowest cloud reported at 200 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT SLBFIG. B THE AIR AT STORM LAKETHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,00050 F60 F70 FSATURATED AT THE GROUNDLOWEST CLOUD REPORTED, OVC 200 FTTEMPERATURE AND DEW POINT 62.6 F, 62.6 FRELATIVE HUMIDITY 100 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 POINTTITLEStorm Lake, the airSTATION REPORT · ASOS SLBTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-09-27IDSR-SLB-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the south southeast (150 degrees) at 5 mph: force 2, a light breeze on the Beaufort scale.

Plan of the wind at Storm Lake, north up: blowing from 150 degrees, the south southeast, at 5 miles an hour; beside it the Beaufort scale from calm to hurricane force, force 2, light breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT SLBFIG. C THE WIND AT STORM LAKEPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 150°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE4NOW, 5 MPH3GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEStorm Lake, the windSTATION REPORT · ASOS SLBTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-09-27IDSR-SLB-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Storm Lake, in 6 sheets, each beside the Field Book plates that explain it

0in

Snow on the ground

Measured at Sioux Rapids 4 E (SXRI4), 4.7 miles from here, read 26 Sep, 06:00. measured daily

Elsewhere in Iowa

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

Near Marathon

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