National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >

Current conditions at

Glasgow, Glasgow International Airport (KGGW)

Lat: 48.21389°NLon: 106.62139°WElev: 2293.0ft.

Overcast

44°F

7°C

Humidity 76%
Wind Speed NNE 12 MPH
Barometer 29.8 in (1009.14 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 21 Mar 10:53 AM MDT
Extended Forecast for

Glasgow MT

  • Today

    Today: A 40 percent chance of rain, mainly before 4pm. Mostly cloudy, with a temperature falling to around 50 by 5pm. Northwest wind 14 to 17 mph, with gusts as high as 25 mph.

    High: 59 °F⇓

    Chance Rain

  • Tonight

    Tonight: A 20 percent chance of snow after 5am. Partly cloudy, with a low around 27. North northwest wind 11 to 16 mph becoming northeast 5 to 10 mph after midnight. Winds could gust as high as 23 mph.

    Low: 27 °F

    Partly Cloudy
    then Slight
    Chance Snow

  • Sunday

    Sunday: A 20 percent chance of snow before noon. Partly sunny, with a high near 51. East wind 5 to 11 mph becoming west in the afternoon.

    High: 51 °F

    Slight Chance
    Snow then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 28. North northwest wind 6 to 10 mph becoming southeast after midnight.

    Low: 28 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 55. South southeast wind 5 to 7 mph becoming northwest in the afternoon.

    High: 55 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 29. North wind around 10 mph becoming east after midnight.

    Low: 29 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 53. East wind 9 to 13 mph.

    High: 53 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A chance of rain before midnight, then a slight chance of rain and snow. Mostly cloudy, with a low around 35. East wind 10 to 13 mph, with gusts as high as 18 mph. Chance of precipitation is 40%.

    Low: 35 °F

    Chance Rain
    then Slight
    Chance
    Rain/Snow

  • Wednesday

    Wednesday: A slight chance of rain and snow before 9am, then a slight chance of rain. Mostly sunny, with a high near 61. Breezy, with a southwest wind 10 to 15 mph becoming west northwest 17 to 22 mph in the afternoon. Winds could gust as high as 32 mph. Chance of precipitation is 20%.

    High: 61 °F

    Slight Chance
    Rain/Snow
    then Slight
    Chance Rain
    and Breezy

Detailed Forecast

Today
A 40 percent chance of rain, mainly before 4pm. Mostly cloudy, with a temperature falling to around 50 by 5pm. Northwest wind 14 to 17 mph, with gusts as high as 25 mph.
Tonight
A 20 percent chance of snow after 5am. Partly cloudy, with a low around 27. North northwest wind 11 to 16 mph becoming northeast 5 to 10 mph after midnight. Winds could gust as high as 23 mph.
Sunday
A 20 percent chance of snow before noon. Partly sunny, with a high near 51. East wind 5 to 11 mph becoming west in the afternoon.
Sunday Night
Partly cloudy, with a low around 28. North northwest wind 6 to 10 mph becoming southeast after midnight.
Monday
Partly sunny, with a high near 55. South southeast wind 5 to 7 mph becoming northwest in the afternoon.
Monday Night
Mostly cloudy, with a low around 29. North wind around 10 mph becoming east after midnight.
Tuesday
Mostly cloudy, with a high near 53. East wind 9 to 13 mph.
Tuesday Night
A chance of rain before midnight, then a slight chance of rain and snow. Mostly cloudy, with a low around 35. East wind 10 to 13 mph, with gusts as high as 18 mph. Chance of precipitation is 40%.
Wednesday
A slight chance of rain and snow before 9am, then a slight chance of rain. Mostly sunny, with a high near 61. Breezy, with a southwest wind 10 to 15 mph becoming west northwest 17 to 22 mph in the afternoon. Winds could gust as high as 32 mph. Chance of precipitation is 20%.
Wednesday Night
A slight chance of rain before 9pm, then a slight chance of rain and snow between 9pm and 3am, then a slight chance of snow after 3am. Partly cloudy, with a low around 22. North wind 14 to 20 mph, with gusts as high as 29 mph. Chance of precipitation is 20%.
Thursday
Mostly sunny, with a high near 42. North wind 11 to 15 mph, with gusts as high as 22 mph.
Thursday Night
Partly cloudy, with a low around 21.
Friday
Sunny, with a high near 50.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Glasgow MT
 48.19°N 106.65°W (Elev. 2070 ft)
Last Update:
3:06 am MDT Mar 21, 2026
Forecast Valid:
11am MDT Mar 21, 2026-6pm MDT Mar 27, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation