Dallam County weather, town by town
2 places in Dallam County, Texas, each with its own live forecast and radar, and where a station sits close enough, measured weather records.
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Measured at the NOAA stations serving these towns, daily records 1896 to 2025. Station extremes, not official state records.
Dallam County Weather Facts
Dallam County has 2 places on myweatherrock (1 cities, 1 towns), each with its own live forecast, hourly timeline, ten day outlook and radar. The hottest day in the station records is 110°F at Dalhart Faa Ap on June 26, 2011. The coldest night is -21°F at Dalhart Faa Ap on January 4, 1959. The wettest day brought 4.52 inches of rain at Dalhart Faa Ap on August 2, 1985. The biggest single-day snow measured 15.51 inches at Texline on December 20, 2011. Those are station measurements from NOAA's daily records, 1896 to 2025, not official state records. By area the largest place is Dalhart, about 5 square miles.
About Dallam County weather
The map on the Now tab shows every Dallam County town's current temperature from our own server, one dot per town. Tap any dot, or type a town above, for that town's full forecast.
What the weather is usually like
Across the 2 Dallam County towns with station normals, the warmest month is July, when the day usually reaches 92°F, and the coldest is January, when the night usually falls to 22°F. July is the wettest, with rain on about 9 days.
Means of the 1991 to 2020 station normals serving these towns, as published by NOAA; each town's page carries its own.
Where these numbers come from
- Current conditions and forecast: NOAA forecast grids decoded on our own server, corrected against the nearest reporting station and our own radar. Open-Meteo is consulted only as a fallback when our server is silent.
- Records: computed by myweatherrock from NOAA GHCN-Daily station records at the stations serving these towns. Measurements, not estimates.
- Warnings and alerts: the National Weather Service, passed through unchanged.
Dallam County weather records
Measured at the NOAA stations serving these towns, daily records 1896 to 2025. Station extremes, not official state records.
Common questions about Dallam County weather
- What is the hottest temperature recorded at a Dallam County station?
- 110°F at Dalhart Faa Ap on June 26, 2011, in the NOAA daily station records myweatherrock holds (1896 to 2025).
- What is the coldest temperature recorded at a Dallam County station?
- -21°F at Dalhart Faa Ap on January 4, 1959.
- What is the most rain a Dallam County station has measured in one day?
- 4.52 inches at Dalhart Faa Ap on August 2, 1985.
- What is the biggest one-day snowfall at a Dallam County station?
- 15.51 inches at Texline on December 20, 2011.
- How many Dallam County towns have a weather page here?
- 2: 1 cities, 1 towns. Each page carries current conditions, the hourly timeline, the ten day outlook, radar, and where a station sits close enough, measured records.
- Where does the Dallam County forecast come from?
- NOAA forecast grids (the National Weather Service digital forecast, the National Blend of Models, HRRR and GFS) decoded on our own server, corrected against the nearest reporting station and our own radar. Open-Meteo is consulted only as a fallback when our server is silent.
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