Storm Station
Grimes, Iowa
61°
Light rain· Feels like 61°·Light breeze 5 mph ESE
A chance of rain showers before 7am, then a slight chance of drizzle between 7am and 8am, then patchy fog and a slight chance of drizzle between 8am and 10am. Cloudy, with a high near 69. East southeast wind around 6 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
-UV
-Air quality
100%Humidity
89%Cloud

What is measuring near here

The 7 instruments nearest Grimes, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.9 miles away.

measured now5 instruments

GrangerRGAI4

Beside a road/3.6 mi away/863 ft/92 ft below here

temp, pavement temp, wind, visibility, precip

Rank572of 652

AnkenyIKV

At an airfield/11.4 mi away/888 ft/67 ft below here

temp, wind, gust, visibility, precip, pressure

Rank239of 652

AmesS2031

At a soil climate station/21.8 mi away/1,073 ft/118 ft above here

temp, humidity, soil temp, soil moisture

Rank-

Des Moines 17 E54902

At a climate reference station/27.6 mi away/903 ft/52 ft below here

temp, humidity, wind, solar, precip

Rank-

measured daily2 instruments

Grimes 1.0 NIA-PK-112

In a volunteer observer's own ground/0.9 mi away/974 ft/19 ft above here

precip, snowfall, snow depth

Rank-

JohnstonUBSI4

At a cooperative observer's station/2.0 mi away/942 ft/13 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Ankeny, drawn

The nearest airport reporting now, 11.4 mi from Grimes. From its report of Sep 27, 2026, 6:55 AM local time: 3 of its 6 sheets.

The sky

Overcast at 300 ft; the ceiling is 300 ft; visibility 7 mi.

Section of the sky over Ankeny, height above the station to scale: overcast cloud with its base at 300 feet, the ceiling at 300 feet, and visibility of 7 mi.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT IKVFIG. A THE SKY OVER ANKENYSECTION, 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 300 FTOVERCAST, 8 EIGHTHS OF THE SKYCEILING 300 FTVISIBILITY, MILES: 7 MI0510TITLEAnkeny, the skySTATION REPORT · ASOS IKVTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-09-27IDSR-IKV-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

60.8 F with a dew point of 60.8 F, 100 per cent relative humidity. The air is saturated at the ground; the lowest cloud reported is at 300 ft.

Chart of the air at Ankeny: temperature 60.8 degrees Fahrenheit and dew point 60.8, 100 per cent relative humidity; the air saturated at the ground, against the lowest cloud reported at 300 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT IKVFIG. B THE AIR AT ANKENYTHE 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 300 FTTEMPERATURE AND DEW POINT 60.8 F, 60.8 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 POINTTITLEAnkeny, the airSTATION REPORT · ASOS IKVTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-09-27IDSR-IKV-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the east (100 degrees) at 5 mph: force 2, a light breeze on the Beaufort scale. The strongest gust today was 12 mph.

Plan of the wind at Ankeny, north up: blowing from 100 degrees, the east, 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 IKVFIG. C THE WIND AT ANKENYPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 100°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE4NOW, 5 MPH3GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEAnkeny, the windSTATION REPORT · ASOS IKVTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-09-27IDSR-IKV-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

0in

Snow on the ground

Measured at Johnston (UBSI4), 2.0 miles from here, read 26 Sep, 07:00. measured daily

Elsewhere in Iowa

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

Near Grimes

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