Storm Station
Byron, Minnesota
56°
Overcast· Feels like 56°·Light breeze 5 mph SSE
Rain showers before 1pm, then a chance of showers and thunderstorms. Cloudy, with a high near 65. South wind 2 to 6 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
-UV
-Air quality
83%Humidity
78%Cloud

What is measuring near here

The 5 instruments nearest Byron, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.4 miles away.

measured now3 instruments

Byron US-14 Mile Post 200MN029

Beside a road/3.4 mi away/1,283 ft/77 ft above here

temp, pavement temp, wind, visibility, precip

Rank491of 732

Rochester / St Mary9MN

At an airfield/8.0 mi away/1,165 ft/41 ft below here

temp, wind, gust, visibility, precip, pressure

Rank455of 732

Zumbrota [CCOOP]ZBRM5

At a river or reservoir gauge/18.2 mi away/965 ft/241 ft below here

temp, wind, gust, humidity, pressure

Rank691of 732

measured daily2 instruments

Byron 0.4 SSEMN-OL-101

In a volunteer observer's own ground/0.4 mi away/1,224 ft/18 ft above here

precip, snowfall, snow depth

Rank-

Rochester AP 2NERSRM5

At a cooperative observer's station/11.0 mi away/1,243 ft/37 ft above here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Rochester / St Mary, drawn

The nearest airport reporting now, 8.0 mi from Byron. From its report of Sep 27, 2026, 5:55 AM local time: 3 of its 5 sheets.

The sky

Overcast at 1,400 ft; the ceiling is 1,400 ft; visibility 10 mi or more.

Section of the sky over Rochester / St Mary, height above the station to scale: overcast cloud with its base at 1,400 feet, the ceiling at 1,400 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT 9MNFIG. A THE SKY OVER ROCHESTER / ST MARYSECTION, 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 1,400 FTOVERCAST, 8 EIGHTHS OF THE SKYCEILING 1,400 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLERochester / St Mary, the skySTATION REPORT · ASOS 9MNTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 5DATE2026-09-27IDSR-9MN-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The wind

From the south southeast (150 degrees) at 7 mph: force 2, a light breeze on the Beaufort scale.

Plan of the wind at Rochester / St Mary, north up: blowing from 150 degrees, the south southeast, at 7 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 9MNFIG. C THE WIND AT ROCHESTER / ST MARYPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 150°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE4NOW, 7 MPH3GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLERochester / St Mary, the windSTATION REPORT · ASOS 9MNTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 2 of 5DATE2026-09-27IDSR-9MN-2DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The column

At 1,165 ft above sea level, 4 per cent of the atmosphere's air lies below the station. The standard atmosphere puts the pressure there at 28.68 inHg and the temperature at 54.8 F; the station's altimeter setting of 30.10 inHg means its barometer reads 28.85 inHg; it reports 55.8 F, 1.0 F warmer than standard.

Section from sea level of where Rochester / St Mary stands in the atmosphere, height to scale: the station 1,165 feet above sea level with 4 per cent of the air below it; the standard atmosphere's pressure there, 28.68 inches of mercury, and temperature, 54.8 degrees Fahrenheit; the altimeter setting of 30.10 and the station pressure it means, 28.85.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT 9MNFIG. D WHERE ROCHESTER / ST MARY 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 ATMOSPHEREROCHESTER / ST MARY4 PER CENT OF THE AIR BELOW IT1,165 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 HERE28.68 inHgSTANDARD TEMPERATURE HERE54.8 FALTIMETER SETTING, REPORTED30.10 inHgITS BAROMETER READS28.85 inHgTEMPERATURE, REPORTED55.8 FTITLERochester / St Mary, the columnSTATION REPORT · ASOS 9MNTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 3 of 5DATE2026-09-27IDSR-9MN-3DRAWN AS linework on paperSOURCES FB-ENG-001, FB-ENG-003

The full report of Rochester / St Mary, in 5 sheets, each beside the Field Book plates that explain it

0in

Snow on the ground

Measured at Rochester AP 2NE (RSRM5), 11.0 miles from here, read 25 Sep, 07:00. measured daily

Elsewhere in Minnesota

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

Near Byron

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