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Johnstown, CO Weather
Current conditions
Observed at Fort Collins/Loveland - Northern Colorado Regional Airport · 1 hr ago
Forecast
10-day-
Tonight
Mostly clear, with a low around 45. North northwest wind around 3 mph.
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Wednesday
Mostly sunny, with a high near 76. South wind 2 to 8 mph, with gusts as high as 17 mph.
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Wednesday Night
Mostly cloudy, with a low around 49. West southwest wind around 6 mph.
National Weather Service forecast updated 20 hrs ago.
Hourly
Hourly forecast- Now57°
- 10 PM54°
- 11 PM52°
- Wed12 AM51°
- 1 AM49°
- 2 AM48°
- 3 AM48°
- 4 AM46°
- 5 AM46°
- 6 AM46°
- 7 AM45°
- 8 AM46°
- 9 AM52°
- 10 AM59°
- 11 AM65°
- 12 PM70°
- 1 PM73°
- 2 PM76°
- 3 PM76°
- 4 PM76°
- 5 PM75°
- 6 PM71°
- 7 PM68°
- 8 PM64°
10-day forecast
Details- TodayOct 20Mostly Sunny45°74°
- WedOct 21Mostly Sunny49°76°
- ThuOct 22Mostly Cloudy10%53°74°
- FriOct 23Mostly Sunny12%43°76°
- SatOct 24Slight Chance Rain Showers23%37°60°
- SunOct 25Slight Chance Rain Showers then Sunny15%37°63°
- MonOct 26Sunny38°65°
- TueOct 27Cloudy35°47°
- WedOct 28Mostly sunny34°52°
- ThuOct 29Partly cloudy33°52°
Days after the National Weather Service's seven are MET Norway's outlook, a computer model with no forecaster's review.
Radar
Full mapWeather news in Colorado
More weather news-
A warm week is on tap for southern Colorado with mountain shower chancesKOAA News 5 Tonight's Forecast:Overnight lows continue to stay mild in the 40s for most Not much cloud cover is expected into the overnight while southern Colorado stays dry.Colorado Springs forecast: Low: 46; High…
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Heavy rain and flash flooding possible in New Mexico, southwest Colorado this weekKRQE A strong storm system will bring widespread rain to New Mexico and southwest Colorado Wednesday through Friday Heavy rainfall could lead to flash flooding, especially Thursday and Friday Several inches of rain are…
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More snow on the way for Colorado’s Western Slope as temperatures dropNewsNews | Oct 19, 2026 October is bringing in another round of stormy weather to wrap up the cooling month, translating into rain — and later, snow — for parts of western Colorado. So far, this October has been “wetter…
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Colorado Springs weather: Clear skies, milder temperatures this weekMonday is expected to be sunny, with light, variable winds and a high in the upper 60s, said News 5 meteorologist Lauren Brand. “These calm conditions will last over the next few days as this ridge of high pressure…
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A warmer than average Sunday on tap for southern ColoradoKKTV A warmer than average Sunday on tap for southern Colorado
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Warm and dry conditions for most of the week in Southern ColoradoTonight we will see partly cloudy skies for most areas in Southern Colorado. We will have winds out of the east at around 5 to 10 mph. Lows will fall into the mid to upper 40s. Monday will bring us most sunny skies but…
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Warm and dry conditions on Sunday for metro Denver and much of ColoradoDenver7 It will be another stunner of a day from Frisco and Fort Collins to Boulder and Denver Skies will be more mixed at times today, featuring a slight increase in clouds as a weak wave moves from California into…
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Colorado Weather: Warm, dry conditions continue into next weekCBS News Sunday Morning CBS News Bay Area Morning Edition Weekend 6am CBS News Los Angeles Weekend 7am KDKA News This Morning Sunday 8am CBS News Texas Weekend 7am
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Watching a big storm to end the week in ColoradoCBS News Colorado 10pm Saturday CBS News Detroit Weekend 11pm CBS News Los Angeles Weekend 9pm CBS News Philadelphia Weekend 11pm KDKA News Weekend 11pm CBS News Texas Weekend 10pm
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Warm and dry conditions settle back into Southern ColoradoTonight we will see mostly clear skies and breezy conditions for most areas in the Pikes Peak Region. It will be quiet weather wise, with overnight lows Sunday will bring us another warm and sunny day for communities…
Air quality
Air quality is satisfactory, and air pollution poses little or no risk.
Forecast
- TueGood
- WedGood
Fort Collins, CO reporting area · 1 hr ago. Data from AirNow (EPA and its state, local and tribal partners); preliminary and subject to change.
Sun & moon
Almanac
MonthlyLongmont 2 Ese, records since 1893. Normals 1991–2020. Data from NOAA's Regional Climate Centers (ACIS).
Nearby
- Fort Collins 31 km
- Thornton 52 km
- Westminster 57 km
- Greeley 20 km
- Boulder 47 km
- Longmont 25 km
- Loveland 15 km
- Broomfield 49 km
- Commerce City 59 km
- Northglenn 51 km
- Brighton 40 km
- Windsor 16 km
Forecasters' discussion
From the National Weather Service office in BOU, issued 3 hrs ago
Key Messages
- Mild temperatures through Friday. Mostly dry through early Wednesday.
- Isolated light rain/snow showers possible over the mountains Tuesday afternoon.
- A more organized system late Wednesday through early Friday, with rain showers becoming more numerous over the mountains.
- Seasonable temperatures for the weekend into next week.
Bou Watches
None.
Forecasts, observations and alerts in the United States come from the National Weather Service (NOAA); radar from NOAA's Multi-Radar Multi-Sensor system; satellite imagery from NASA's Global Imagery Browse Services (GIBS) and NOAA's GOES satellites; the map from the U.S. Geological Survey's National Map; air quality from AirNow (EPA and its partners); hurricane information from the National Hurricane Center; climate normals and records from NOAA's Regional Climate Centers (ACIS). Forecasts outside the United States and the UV index: MET Norway (CC BY 4.0); observations outside the U.S.: airport reports via NOAA's Aviation Weather Center. Place names: GeoNames (CC BY 4.0). Data are copied on a schedule and may lag the sources; for warnings that affect your safety, follow your local National Weather Service office and emergency officials. Weather news is drawn from the 4Conservative index and reflects what the press published. Terms of use.