Weather Forecast for Billings

Montana, United States of America

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Sunny

Current Weather - Billings: 47°C

Montana, United States of America

Sunny

Feels like 36°C

Wind

35 km/h S

Humidity

4%

Pressure

1004 mb

UV Index

8

Visibility

10 km

Sunny

Sunny

Sunday, July 12, 2026

High

47°C

Low

20°C

Rain Chance

0%

Hourly Forecast

Clear 33°C
23:00
Jul 13

Day Statistics

Maximum Wind

40 km/h

Humidity

14%

Precipitation

0 mm

UV Index

10

Visibility

10 km

Rain Chance

0%

Snow Chance

0%

Sun & Moon

Sunrise

05:36 AM

Sunset

09:03 PM

Moonrise

02:46 AM

Moonset

07:53 PM

Moon Phase

New Moon

Moon Illumination

2%

Air Quality

PM2.5

4.2

μg/m³

PM10

8.9

μg/m³

NO₂

4.2

μg/m³

O₃

72.3

μg/m³

SO₂

0.3

μg/m³

CO

101.8

μg/m³

US EPA Index: 1 GB DEFRA Index: 1

Solar Radiation Data

Shortwave Radiation

968.74

Diffuse Radiation

64.99

DNI

0

GTI

0

Weather Alerts

Red Flag Warning issued July 12 at 2:10AM MDT until July 12 at 9:00PM MDT by NWS Billings MT

Gallatin National Forest; Wheatland County/Sweet Grass County; Stillwater County; Beartooth Ranger District Custer National Forest; Golden Valley County/Musselshell County; Yellowstone County; Crow Indian Reservation/Big Horn Canyon Rec Area; Northern Rosebud/Northern Treasure Counties; Northern Cheyenne Indian Reservation/Ashland Ranger District Custer Natl Forest; Custer County; Sioux Ranger District Custer National Forest; Sheridan County/Casper BLM Jul 12, 02:10 AM - Jul 12, 09:00 PM
Severity: Severe Urgency: Expected

* IMPACTS: Low humidities, very hot temperatures, and strong gusty winds will create erratic fire behavior. * AFFECTED AREA: In North Central WY Fire Zone...274. In South Central MT Fire Zones...123...124...125...126...127 128...129. In Southeast MT Fire Zones...130...131...132. In Southeast MT and Northwest SD Fire Zone...133. * COUNTIES AFFECTED: In Central MT...Golden Valley...Musselshell...Wheatland. In North Central WY...Sheridan. In Northwest SD...Harding. In South Central MT...Big Horn...Carbon...Park...Stillwater Sweet Grass...Yellowstone. In Southeast MT...Carter...Custer...Fallon...Powder River Rosebud...Treasure. In Southwest MT...Gallatin. * WIND: South 10 to 20 mph with gusts to 35 mph. * HUMIDITY: Minimums of 5 to 10 percent. * TEMPERATURES: Highs of 105 to 112. * COLD FRONT: Arrives over western zones this evening, bringing a shift to breezy northwest winds. The front will reach far southeast Montana Monday morning. Before the frontal passage, a southeasterly low level jet will produce gusty ridgetop winds (to 40 mph) and a slow humidity recovery over SE Montana tonight.

A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior.

Event: Red Flag Warning Certainty: Likely Category: Met

Red Flag Warning issued July 12 at 12:33AM MDT until July 12 at 10:00PM MDT by NWS Riverton WY

North Bighorn Basin/Worland BLM; Cody Foothills; Natrona County/Casper BLM; Johnson County/Casper BLM; South Bighorn Basin/Worland BLM; Upper Wind River Basin/Wind River Basin Jul 12, 12:33 AM - Jul 12, 10:00 PM
Severity: Severe Urgency: Expected

* IMPACTS: Low Humidities...Hot Temperatures...and Strong Gusty Winds could cause erratic fire behavior. * AFFECTED AREA: In Central WY Fire Zones...280...283. In North Central WY Fire Zones...275...276...281...282. * COUNTIES AFFECTED: In Central WY...Fremont...Natrona. In North Central WY...Big Horn...Hot Springs...Johnson...Park Washakie. * WIND: Southeast 15 to 25 mph with gusts up to 35 mph. * HUMIDITY: As low as 4 percent. * TEMPERATURES: Highs 98 to 110.

A Red Flag Warning means that critical fire weather conditions are either occurring now....or will shortly. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior.

Event: Red Flag Warning Certainty: Likely Category: Met