Storm Station
Marne, Iowa
65° 71°/62°
Overcast· Feels like 65°·Gentle breeze 8 mph SSE
A slight chance of showers and thunderstorms before 5am, then a chance of showers and thunderstorms. Cloudy, with a low around 62. Southeast wind around 5 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
0UV Low
-Air quality
97%Humidity
88%Cloud
Now
3:30 AM
65feels65
now, overcast
Today
Sep 27
7162
overcast
Mon
Sep 28
7060
overcast
Tue
Sep 29
6861
89%
13mph
showers light
Wed
Sep 30
6663
75%
14mph
showers light
Thu
Oct 1
6449
51%
18mph
drizzle light
Fri
Oct 2
6244
27%
clear day
Sat
Oct 3
6642
10%
14mph
overcast
65°
71°62°
70°60°
68°61°
66°63°
64°49°
62°44°
66°42°

As of 3:30 AM in Marne, Iowa.

What is measuring near here

The 5 instruments nearest Marne, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 4.5 miles away.

measured now3 instruments

AtlanticAIO

At an airfield/4.5 mi away/1,154 ft/92 ft below here

temp, wind, gust, visibility, precip, pressure

Rank651of 652

Avoca (I-80)RAVI4

Beside a road/9.9 mi away/1,237 ft/9 ft below here

temp, pavement temp, wind, visibility, precip

Rank564of 652

Irwin 3 ESEIRWI4

At a river or reservoir gauge/22.2 mi away/1,322 ft/76 ft above here

temp, wind, gust, humidity, pressure

Rank-

measured daily2 instruments

Atlantic 1 NEATLI4

At a cooperative observer's station/6.0 mi away/1,168 ft/78 ft below here

snowfall, snow depth, precip, high, low

Rank-

Atlantic 0.3 NEIA-CS-9

In a volunteer observer's own ground/6.2 mi away/1,204 ft/42 ft below here

precip, snowfall, snow depth

Rank-

Station report

The weather at Avoca (I-80), drawn

The nearest instrument reporting now, 9.9 mi from Marne. From its report of Sep 27, 2026, 3:15 AM local time: 3 of its 5 sheets.

The air

64.6 F with a dew point of 64.0 F, 98 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 100 ft up.

Chart of the air at Avoca (I-80): temperature 64.6 degrees Fahrenheit and dew point 64.0, 98 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 100 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT RAVI4FIG. B THE AIR AT AVOCA (I-80)THE 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 F80 FSATURATES 100 FT ABOVE THE STATION, AT 63.8 FTEMPERATURE AND DEW POINT 64.6 F, 64.0 FRELATIVE HUMIDITY 98 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 POINTTITLEAvoca (I-80), the airSTATION REPORT · RWIS RAVI4TYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 5DATE2026-09-27IDSR-RAVI4-1DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the southeast (140 degrees) at 11 mph, gusting 15 mph: force 3, a gentle breeze on the Beaufort scale. The strongest gust today was 15 mph.

Plan of the wind at Avoca (I-80), north up: blowing from 140 degrees, the southeast, at 11 miles an hour, gusting 15; beside it the Beaufort scale from calm to hurricane force, force 3, gentle breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT RAVI4FIG. C THE WIND AT AVOCA (I-80)PLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 140°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE8NOW, 11 MPH4MODERATE BREEZE13GUST, 15 MPH5FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEAvoca (I-80), the windSTATION REPORT · RWIS RAVI4TYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 2 of 5DATE2026-09-27IDSR-RAVI4-2DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008

The column

At 1,237 ft above sea level, 4 per cent of the atmosphere's air lies below the station. The standard atmosphere puts the pressure there at 28.61 inHg and the temperature at 54.6 F; it reports 64.6 F, 10.0 F warmer than standard.

Section from sea level of where Avoca (I-80) stands in the atmosphere, height to scale: the station 1,237 feet above sea level with 4 per cent of the air below it; the standard atmosphere's pressure there, 28.61 inches of mercury, and temperature, 54.6 degrees Fahrenheit.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT RAVI4FIG. D WHERE AVOCA (I-80) STANDS IN THE ATMOSPHERESECTION FROM SEA LEVEL, HEIGHT TO SCALE, THE STATION IN THE STANDARD ATMOSPHEREFT ABOVE SEA LEVEL05,00010,00015,000SEA LEVEL, 29.92 inHg IN THE STANDARD ATMOSPHEREAVOCA (I-80)4 PER CENT OF THE AIR BELOW IT1,237 FT10 PER CENT OF THE AIR BELOW, 2,890 FT20 PER CENT OF THE AIR BELOW, 6,050 FT30 PER CENT OF THE AIR BELOW, 9,540 FT40 PER CENT OF THE AIR BELOW, 13,470 FTSTANDARD PRESSURE HERE28.61 inHgSTANDARD TEMPERATURE HERE54.6 FTEMPERATURE, REPORTED64.6 FTITLEAvoca (I-80), the columnSTATION REPORT · RWIS RAVI4TYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 3 of 5DATE2026-09-27IDSR-RAVI4-3DRAWN AS linework on paperSOURCES FB-ENG-001, FB-ENG-003

The full report of Avoca (I-80), in 5 sheets, each beside the Field Book plates that explain it

-in

Snow on the ground

Elsewhere in Iowa

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

Near Marne

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