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

Extremely Critical Fire Weather in the Central Plains; Active Pattern in the West

Gusty to high winds and low relative humidity will bring critical to extremely critical fire weather conditions to the central and southern Plains today into Wednesday. Use caution with any potential ignition sources. Two Pacific storms will impact the western U.S. into Wednesday with gusty winds, low elevation rain and heavy mountain snow. Read More >

Hazardous Weather Conditions

Current conditions at

Lewistown, Lewistown Municipal Airport (KLWT)

Lat: 47.04917°NLon: 109.46639°WElev: 4167.0ft.

Overcast

18°F

-8°C

Humidity 77%
Wind Speed WNW 20 MPH
Barometer 29.39 in (995.26 mb)
Dewpoint 12°F (-11°C)
Visibility 9.00 mi
Wind Chill2°F (-17°C)
Last update 17 Feb 01:40 PM MST
Extended Forecast for

5 Miles NNE Moore MT

High Wind Warning February 17, 01:54pm until February 17, 08:00pm
Click here for hazard details and duration
High Wind Warning
  •  
    High Wind Warning February 17, 01:54pm until February 17, 08:00pm

    NOW until 8:00pm Tue

    High Wind Warning

  • This Afternoon

    High: 44 °F

    Snow Likely
    and Patchy
    Blowing Snow

  • Tonight

    Tonight: A 10 percent chance of snow before 7pm. Mostly cloudy, with a low around -4. Wind chill values as low as -15. North northwest wind 11 to 20 mph, with gusts as high as 28 mph.

    Low: -4 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Wednesday

    Wednesday: A 50 percent chance of snow, mainly after 9am. Cloudy and cold, with a steady temperature around 1. Wind chill values as low as -20. North northwest wind 11 to 13 mph, with gusts as high as 20 mph. New snow accumulation of less than a half inch possible.

    High: 1 °F

    Chance Snow

  • Wednesday Night

    Wednesday Night: Snow likely, mainly before 11pm. Cloudy, with a low around -8. Wind chill values as low as -20. North northwest wind 6 to 10 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

    Low: -8 °F

    Snow Likely

  • Thursday

    Thursday: A 40 percent chance of snow, mainly before 11am. Partly sunny, with a high near 15. North northwest wind around 6 mph becoming east in the morning. New snow accumulation of less than a half inch possible.

    High: 15 °F

    Chance Snow

  • Thursday Night

    Thursday Night: A 20 percent chance of snow before 11pm. Partly cloudy, with a low around 1. East wind around 6 mph becoming south after midnight.

    Low: 1 °F

    Slight Chance
    Snow then
    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of snow after 11am. Partly sunny, with a high near 28. South wind 5 to 7 mph becoming northwest in the afternoon.

    High: 28 °F

    Slight Chance
    Snow

  • Friday Night

    Friday Night: Partly cloudy, with a low around 7. North northwest wind around 6 mph becoming south southwest in the evening.

    Low: 7 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
Snow likely, mainly before 4pm. Patchy blowing snow between 2pm and 4pm. Cloudy, with a high near 44. Breezy, with a west northwest wind around 26 mph, with gusts as high as 37 mph. Chance of precipitation is 70%. Total daytime snow accumulation of less than a half inch possible.
Tonight
A 10 percent chance of snow before 7pm. Mostly cloudy, with a low around -4. Wind chill values as low as -15. North northwest wind 11 to 20 mph, with gusts as high as 28 mph.
Wednesday
A 50 percent chance of snow, mainly after 9am. Cloudy and cold, with a steady temperature around 1. Wind chill values as low as -20. North northwest wind 11 to 13 mph, with gusts as high as 20 mph. New snow accumulation of less than a half inch possible.
Wednesday Night
Snow likely, mainly before 11pm. Cloudy, with a low around -8. Wind chill values as low as -20. North northwest wind 6 to 10 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.
Thursday
A 40 percent chance of snow, mainly before 11am. Partly sunny, with a high near 15. North northwest wind around 6 mph becoming east in the morning. New snow accumulation of less than a half inch possible.
Thursday Night
A 20 percent chance of snow before 11pm. Partly cloudy, with a low around 1. East wind around 6 mph becoming south after midnight.
Friday
A 20 percent chance of snow after 11am. Partly sunny, with a high near 28. South wind 5 to 7 mph becoming northwest in the afternoon.
Friday Night
Partly cloudy, with a low around 7. North northwest wind around 6 mph becoming south southwest in the evening.
Saturday
Mostly sunny, with a high near 32.
Saturday Night
Mostly cloudy, with a low around 7.
Sunday
Partly sunny, with a high near 35.
Sunday Night
Partly cloudy, with a low around 15.
Monday
A chance of rain. Mostly sunny, with a high near 46.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NNE Moore MT
 47.03°N 109.64°W (Elev. 4052 ft)
Last Update:
12:42 pm MST Feb 17, 2026
Forecast Valid:
1pm MST Feb 17, 2026-6pm MST Feb 23, 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