Weather Forecast for Fort Collins

Colorado, United States of America

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Partly Cloudy

Current Weather - Fort Collins: 26°C

Colorado, United States of America

Partly Cloudy

Feels like 25°C

Wind

8 km/h ESE

Humidity

26%

Pressure

1020 mb

UV Index

9

Visibility

16 km

Sunny

Sunny

Monday, June 15, 2026

High

29°C

Low

9°C

Rain Chance

1%

Hourly Forecast

Clear 17°C
22:00
Clear 15°C
23:00
Jun 16

Day Statistics

Maximum Wind

17 km/h

Humidity

34%

Precipitation

0 mm

UV Index

10

Visibility

10 km

Rain Chance

1%

Snow Chance

0%

Sun & Moon

Sunrise

05:29 AM

Sunset

08:32 PM

Moonrise

05:17 AM

Moonset

09:33 PM

Moon Phase

New Moon

Moon Illumination

2%

Air Quality

PM2.5

16.9

μg/m³

PM10

19.4

μg/m³

NO₂

5.5

μg/m³

O₃

87.4

μg/m³

SO₂

0.4

μg/m³

CO

128.6

μg/m³

US EPA Index: 2 GB DEFRA Index: 2

Solar Radiation Data

Shortwave Radiation

1009.96

Diffuse Radiation

73.42

DNI

1100

GTI

560.36

Weather Alerts

High Wind Watch issued June 15 at 12:40AM MDT until June 17 at 3:00PM MDT by NWS Cheyenne WY

South Laramie Range; South Laramie Range Foothills Jun 15, 12:40 AM - Jun 15, 06:00 PM
Severity: Severe Urgency: Future

* WHAT...West winds 35 to 45 mph with gusts up to 65 mph possible. * WHERE...South Laramie Range and Foothills including the Interstate 80 Summit between Cheyenne and Laramie. * WHEN...From Tuesday evening through Wednesday afternoon. * IMPACTS...Mainly to transportation. Strong cross winds will be hazardous to light weight or high profile vehicles, including campers and tractor trailers.

A High Wind Watch means there is the potential for a hazardous high wind event. Sustained wind speeds of at least 40 MPH or gusts of 58 MPH or stronger may occur. Continue to monitor the latest forecasts.

Event: High Wind Watch Certainty: Possible Category: Met

High Wind Watch issued June 15 at 12:40AM MDT until June 17 at 12:00PM MDT by NWS Cheyenne WY

North Snowy Range Foothills Jun 15, 12:40 AM - Jun 15, 06:00 PM
Severity: Severe Urgency: Future

* WHAT...West winds 35 to 45 mph with gusts up to 65 mph possible. * WHERE...North Snowy Range Foothills including Arlington and Elk Mountain along Interstate 80. * WHEN...From Tuesday evening through Wednesday morning. * IMPACTS...Mainly to transportation. Strong cross winds will be hazardous to light weight or high profile vehicles, including campers and tractor trailers.

A High Wind Watch means there is the potential for a hazardous high wind event. Sustained wind speeds of at least 40 MPH or gusts of 58 MPH or stronger may occur. Continue to monitor the latest forecasts.

Event: High Wind Watch Certainty: Possible Category: Met

High Wind Watch issued June 15 at 12:40AM MDT until June 17 at 9:00AM MDT by NWS Cheyenne WY

Central Laramie Range and Southwest Platte County Jun 15, 12:40 AM - Jun 15, 06:00 PM
Severity: Severe Urgency: Future

* WHAT...West winds 35 to 45 mph with gusts up to 65 mph possible. * WHERE...Bordeaux area along Interstate 25 between Chugwater and Wheatland. * WHEN...From Tuesday evening through Wednesday morning. * IMPACTS...Mainly to transportation. Strong cross winds will be hazardous to light weight or high profile vehicles, including campers and tractor trailers.

A High Wind Watch means there is the potential for a hazardous high wind event. Sustained wind speeds of at least 40 MPH or gusts of 58 MPH or stronger may occur. Continue to monitor the latest forecasts.

Event: High Wind Watch Certainty: Possible Category: Met

Fire Weather Watch issued June 15 at 12:32AM MDT until June 17 at 8:00PM MDT by NWS Cheyenne WY

Laramie Foothills and High Plains; Laramie East High Plains Jun 15, 12:32 AM - Jun 15, 06:00 PM
Severity: Severe Urgency: Future

RED FLAG CONDITIONS LIKELY THROUGH WEDNESDAY EVENING FOR AREAS EAST OF THE I-25 CORRIDOR. * AFFECTED AREA...Fire weather zones 430 and 431. * WIND... On Tuesday, northwest winds gusting 25 to 40 mph. On Wednesday, northwest winds gusting 40 to 60 mph. * HUMIDITY...10 to 15 percent on Tuesday and Wednesday afternoons. Poor recoveries expected Tuesday night. * IMPACTS...any fires that develop will likely spread rapidly. Outdoor burning is not recommended.

A Fire Weather Watch means that critical fire weather conditions are forecast to occur. Listen for later forecasts and possible Red Flag Warnings.

Event: Fire Weather Watch Certainty: Possible Category: Met