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Salem, Missouri

City in Dent County, Missouri

Air quality

The air at Salem

Index 12, good, led by ozone. Read at 5 AM from its reporting area, Bonne Terre (MO), 64 miles off.

12Good
  • Ozone12Good-
  • Sulfur dioxide0Good0.5 ppb23.2 mi

The days ahead

Yesterday measured 19, good.

Smoke, the next 44 hours

No smoke near the ground through Mon 1 AM.

SatSun

Precipitation

What has fallen at Salem

None in the last 24 hours; 0.73 in over the last 3 days, to Sat 5 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.00in
Last 3 days
0.73in

Visibility

How far you can see at Salem, the next 44 hours

Visibility stays 9 miles or more through Mon 1 AM, lowest 10 miles Sat 7 AM.

SatSun

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

What is measuring near here

The 7 instruments nearest Salem, 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 now5 instruments

Salem 10 W23909

At a climate reference station/10.1 mi away/1,198 ft/7 ft above here

temp, humidity, wind, solar, precip

Rank674of 1,043

Salem 10 WWRTM7

At a river or reservoir gauge/10.2 mi away/1,178 ft/13 ft below here

temp, wind, gust, humidity, pressure

Rank220of 1,043

measured daily2 instruments

Salem 0.6 WNWMO-DT-6

In a volunteer observer's own ground/0.4 mi away/1,169 ft/22 ft below here

precip, snowfall, snow depth

Rank-

Forest ServiceSALM7

At a cooperative observer's station/0.5 mi away/1,207 ft/16 ft above here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Fort Leonard Woo, drawn

The nearest airport reporting now, 33.8 mi from Salem, Missouri. From its report of Oct 17, 2026, 5:55 AM local time: 3 of its 6 sheets.

The sky

No cloud below 12,000 ft; visibility 10 mi or more.

Section of the sky over Fort Leonard Woo, height above the station to scale: no cloud detected below 12,000 feet, the reach of its ceilometer, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT TBNFIG. A THE SKY OVER FORT LEONARD WOOSECTION, 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 SHEETNO CLOUD DETECTED BELOW 12,000 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLEFort Leonard Woo, the skySTATION REPORT · ASOS TBNTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-17IDSR-TBN-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

39.2 F with a dew point of 37.0 F, 92 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 500 ft up.

Chart of the air at Fort Leonard Woo: temperature 39.2 degrees Fahrenheit and dew point 37.0, 92 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 500 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT TBNFIG. B THE AIR AT FORT LEONARD WOOTHE 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 FSATURATES 500 FT ABOVE THE STATION, AT 36.5 FTEMPERATURE AND DEW POINT 39.2 F, 37.0 FRELATIVE HUMIDITY 92 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 POINTTITLEFort Leonard Woo, the airSTATION REPORT · ASOS TBNTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-17IDSR-TBN-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the northwest (320 degrees) at 3 mph: force 1, a light air on the Beaufort scale.

Plan of the wind at Fort Leonard Woo, north up: blowing from 320 degrees, the northwest, at 3 miles an hour; beside it the Beaufort scale from calm to hurricane force, force 1, light air, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT TBNFIG. C THE WIND AT FORT LEONARD WOOPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 320°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR1NOW, 3 MPH2LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEFort Leonard Woo, the windSTATION REPORT · ASOS TBNTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-17IDSR-TBN-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

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Snow on the ground

Elsewhere in Missouri

24 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