Today | Weather | Friday, May 22, 2026

Active Weather Warnings

Freeze Warning

Weather in Laramie, Wyoming

04:16 AM

Now

28° F

Feels Like 21°

Precipitation 25 %

Wind 9 mph

Humidity 98 %

Today

Day 54°

Night 30°

Precipitation 0 %

Wind 12 mph

UV Index (0 - 11+) 9

FROST FORECAST

Overnight Frost 3 AM – 4 AM

Warning: High UV Index Today: 9

High risk of harm from unprotected sun exposure. Take precautions: wear a hat, sunglasses, and apply sunscreen regularly if you’ll be outdoors for extended periods.

Laramie Weather Forecast Updated

Last updated on May 22, 2026 at 2:52 AM

Air Quality in Laramie

NOW

30 AQI

Good air quality Dominant pollutant: O₃

Pollutant Concentrations:

PM_2.5 1.93 µg/m³

PM₁₀ 2.06 µg/m³

O₃ 0.033 ppm

NO₂ 1.4 ppb

SO₂ 0.5 ppb

CO 0.09 ppm

NH₃ 5.63 µg/m³

NO 0 µg/m³

PM_2.5 – Fine particles <2.5μm

PM₁₀ – Inhalable particles <10μm

O₃ – Ozone

NO₂ – Nitrogen dioxide

SO₂ – Sulfur dioxide

CO – Carbon monoxide

NH₃ – Ammonia

NO – Nitric oxide

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

Show raw pollutant concentrations (µg/m³)

PM_2.5 – 1.93 µg/m³

PM₁₀ – 2.06 µg/m³

O₃ – 64.32 µg/m³

NO₂ – 2.57 µg/m³

SO₂ – 1.32 µg/m³

CO – 103.26 µg/m³

NH₃ – 5.63 µg/m³

NO – 0 µg/m³

View Hourly Air Quality Forecast

Weather Alerts and Warnings for Laramie

Moderate Expected Likely

Freeze Warning

Freeze Warning issued May 22 at 12:35AM MDT until May 22 at 9:00AM MDT by NWS Cheyenne WY

May 22, 12:35 AM → May 22, 9:00 AM

WHAT: Sub-freezing temperatures between 25 and 32 degrees
expected.

WHERE: Central Carbon County, Ferris/Seminoe/Shirley Mountains,
North Snowy Range Foothills, Shirley Basin, Southwest Carbon
County, Upper North Platte River Basin, Laramie Valley, and South
Laramie Range.

WHEN: Until 9 AM MDT this morning.

IMPACTS: Frost and freeze conditions could kill crops, other
sensitive vegetation and possibly damage unprotected outdoor
plumbing.

+ Read More

Take steps now to protect tender plants from the cold.

Updated: May 22, 2:52 AM Source: NWS Alert