Storm Station
Sign in

Salem, Iowa

City in Henry County, Iowa

Air quality

The air at Salem

Index 15, good, led by ozone. Read at 11 AM from its reporting area, Lake Sugema (IA), 23 miles off.

15Good
  • Fine particles (PM2.5)13Good22.9 mi
  • Ozone15Good12 ppb22.9 mi
  • Nitrogen dioxide0Good0.8 ppb22.9 mi
  • Sulfur dioxide0Good0 ppb22.9 mi

The days ahead

Good each day through Today, led by fine particles. Yesterday measured 28, good.

Smoke, the next 45 hours

No smoke near the ground through Sun 7 AM.

FriSatSun

Precipitation

What has fallen at Salem

0.12 in in the last 24 hours, 0.17 in over the last 3 days, to Fri 10 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.12in
Last 3 days
0.17in

Visibility

How far you can see at Salem, the next 45 hours

Visibility stays 7 miles or more through Sun 7 AM, lowest 8 miles Sat 8 AM.

FriSatSun

On the radar over Salem, IowaReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 6 instruments nearest Salem, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 1.4 miles away.

measured now4 instruments

measured daily2 instruments

Salem 1 SSLHI4

At a cooperative observer's station/1.4 mi away/653 ft/69 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Mount Pleasant, drawn

The nearest airport reporting now, 8.4 mi from Salem, Iowa. From its report of Oct 16, 2026, 11:15 AM local time: 3 of its 6 sheets.

The sky

Broken at 1,300 ft, broken at 2,100 ft, overcast at 3,000 ft; the ceiling is 1,300 ft; visibility 3 mi.

Section of the sky over Mount Pleasant, height above the station to scale: broken cloud with its base at 1,300 feet, broken cloud with its base at 2,100 feet, overcast cloud with its base at 3,000 feet, the ceiling at 1,300 feet, and visibility of 3 mi.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT MPZFIG. A THE SKY OVER MOUNT PLEASANTSECTION, 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 STATION01,0002,0003,0004,0005,000ETAGESLOWTHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETOVC 3,000 FTOVERCAST, 8 EIGHTHS OF THE SKYBKN 2,100 FTBROKEN, 5 TO 7 EIGHTHS OF THE SKYBKN 1,300 FTBROKEN, 5 TO 7 EIGHTHS OF THE SKYCEILING 1,300 FTVISIBILITY, MILES: 3 MI0510TITLEMount Pleasant, the skySTATION REPORT · ASOS MPZTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-MPZ-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

48.2 F with a dew point of 44.6 F, 87 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 800 ft up; the lowest cloud reported is at 1,300 ft.

Chart of the air at Mount Pleasant: temperature 48.2 degrees Fahrenheit and dew point 44.6, 87 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 800 feet above the station, against the lowest cloud reported at 1,300 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT MPZFIG. B THE AIR AT MOUNT PLEASANTTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,00030 F40 F50 F60 FSATURATES 800 FT ABOVE THE STATION, AT 43.8 FLOWEST CLOUD REPORTED, BKN 1,300 FTTEMPERATURE 48.2 FDEW POINT 44.6 FSPREAD 3.6 FRELATIVE HUMIDITY 87 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 POINTTITLEMount Pleasant, the airSTATION REPORT · ASOS MPZTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-MPZ-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the northwest (310 degrees) at 10 mph, gusting 20 mph: force 3, a gentle breeze on the Beaufort scale. The strongest gust today was 29 mph.

Plan of the wind at Mount Pleasant, north up: blowing from 310 degrees, the northwest, at 10 miles an hour, gusting 20; beside it the Beaufort scale from calm to hurricane force, force 3, gentle breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT MPZFIG. C THE WIND AT MOUNT PLEASANTPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 310°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE8NOW, 10 MPH4MODERATE BREEZE135FRESH BREEZE19GUST, 20 MPH6STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEMount Pleasant, the windSTATION REPORT · ASOS MPZTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-MPZ-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

0in

Snow on the ground

Measured at Salem 1 S (SLHI4), 1.4 miles from here, read 16 Oct, 07:00. measured daily

Elsewhere in Iowa

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

Near Salem

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

Near Salem

River and lake gauges