Weather forecast for your place, anywhere in the US
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Across the US today
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- HomeFreeze nights for pipes, hours to open the windows, heat-pump hours and degree days against normal.Pick a place first
- ColoradoOutdoors & snowNew snow, snowpack and mountain thunderstorm timing for trails, passes and ski towns.Coming next
- WorkHour-by-hour wind, heat and rain for crews working outside.Coming later
Questions
- Where does the forecast come from?
- The official forecast, observations and alerts come from the National Weather Service. We compare it with independent global and regional forecast models to show a likely range and how well the forecasts agree. Climate normals and records come from NOAA station data.
- What does a range like “58° (54–63°)” mean?
- 58° is the most likely value, and the real number will very probably land between 54° and 63°. When forecasts disagree the range widens; we show that instead of hiding it behind one confident number.
- How far ahead does the forecast go?
- Thirty days. Days 1–10 are the regular forecast. Days 11–16 show the range the models expect, which gets wider the further out you look. Days 17–30 come from ECMWF’s EC46 ensemble: the middle of its runs and how far they spread, next to the typical high and low for that date. Use them for the general direction of the weather, not for a specific day.
- Are the weather alerts official?
- Yes. Every active National Weather Service warning, watch and advisory for your spot is shown, most serious first, in the forecasters’ own words. We add no advice of our own.
- Who makes forecast.blue?
- DotBlue LLC, a UniCo Group company. The site is free and covers the whole US. Colorado pages also show UniColorado Heating & Cooling, a Denver HVAC installer in the same group.