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Severe Thunderstorm Threats and Areas of Heavy Rain This Week

A weather system producing areas of heavy rain will slowly move northeast along the east coast into mid-week. Meanwhile, a new weather system may produce severe thunderstorms potentially containing large hail, damaging winds, and isolated tornadoes in the Plains and Mississippi Valley. Heavy rain and flash flooding may also develop Wednesday for the Mississippi Valley and Upper Great Lakes. Read More >

Current conditions at

Lewistown, Lewistown Municipal Airport (KLWT)

Lat: 47.04917°NLon: 109.46639°WElev: 4167ft.

Fair

45°F

7°C

Humidity 66%
Wind Speed E 14 MPH
Barometer 29.80 in
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 25 Apr 3:35 pm MDT
Extended Forecast for

Lewistown MT

  • This
    Afternoon

    This Afternoon: A 30 percent chance of showers.  Mostly cloudy, with a high near 45. East southeast wind around 11 mph.

    Chance
    Showers

    High: 45 °F

  • Tonight

    Tonight: A chance of rain showers before midnight, then a chance of rain and snow showers between midnight and 3am, then a slight chance of snow showers after 3am.  Mostly cloudy, with a low around 31. East southeast wind 7 to 10 mph.  Chance of precipitation is 50%. Little or no snow accumulation expected.

    Chance
    Showers then
    Chance
    Rain/Snow

    Low: 31 °F

  • Wednesday

    Wednesday: Showers likely, with thunderstorms also possible after 3pm. Some of the storms could produce small hail.  Cloudy, with a high near 51. South wind 5 to 9 mph.  Chance of precipitation is 70%.

    Chance
    Showers then
    Showers
    Likely

    High: 51 °F

  • Wednesday
    Night

    Wednesday Night: Rain showers likely before 2am, then rain and snow showers likely between 2am and 4am, then snow showers likely after 4am. Some thunder is also possible.  Cloudy, with a low around 33. East wind 6 to 9 mph becoming west after midnight.  Chance of precipitation is 70%. Little or no snow accumulation expected.

    Showers
    Likely then
    Rain/Snow
    Likely

    Low: 33 °F

  • Thursday

    Thursday: Snow showers likely before 8am, then rain and snow showers likely between 8am and 9am, then rain showers likely after 9am.  Cloudy, with a high near 44. Northwest wind 7 to 10 mph.  Chance of precipitation is 70%. Little or no snow accumulation expected.

    Rain/Snow
    Likely then
    Showers
    Likely

    High: 44 °F

  • Thursday
    Night

    Thursday Night: Rain showers likely before midnight, then rain and snow showers likely.  Cloudy, with a low around 31. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Showers
    Likely then
    Rain/Snow
    Likely

    Low: 31 °F

  • Friday

    Friday: A chance of rain and snow showers before noon, then a chance of rain showers.  Cloudy, with a high near 44. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    Chance
    Rain/Snow
    then Chance
    Showers

    High: 44 °F

  • Friday
    Night

    Friday Night: A slight chance of rain and snow showers before midnight, then a slight chance of snow showers.  Mostly cloudy, with a low around 29.

    Slight Chance
    Rain/Snow
    then Slight
    Chance Snow
    Showers

    Low: 29 °F

  • Saturday

    Saturday: A slight chance of rain and snow showers before noon, then a slight chance of rain showers.  Partly sunny, with a high near 51.

    Slight Chance
    Rain/Snow
    then Slight
    Chance
    Showers

    High: 51 °F

Detailed Forecast

This Afternoon
A 30 percent chance of showers. Mostly cloudy, with a high near 45. East southeast wind around 11 mph.
Tonight
A chance of rain showers before midnight, then a chance of rain and snow showers between midnight and 3am, then a slight chance of snow showers after 3am. Mostly cloudy, with a low around 31. East southeast wind 7 to 10 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Wednesday
Showers likely, with thunderstorms also possible after 3pm. Some of the storms could produce small hail. Cloudy, with a high near 51. South wind 5 to 9 mph. Chance of precipitation is 70%.
Wednesday Night
Rain showers likely before 2am, then rain and snow showers likely between 2am and 4am, then snow showers likely after 4am. Some thunder is also possible. Cloudy, with a low around 33. East wind 6 to 9 mph becoming west after midnight. Chance of precipitation is 70%. Little or no snow accumulation expected.
Thursday
Snow showers likely before 8am, then rain and snow showers likely between 8am and 9am, then rain showers likely after 9am. Cloudy, with a high near 44. Northwest wind 7 to 10 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Thursday Night
Rain showers likely before midnight, then rain and snow showers likely. Cloudy, with a low around 31. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Friday
A chance of rain and snow showers before noon, then a chance of rain showers. Cloudy, with a high near 44. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Friday Night
A slight chance of rain and snow showers before midnight, then a slight chance of snow showers. Mostly cloudy, with a low around 29.
Saturday
A slight chance of rain and snow showers before noon, then a slight chance of rain showers. Partly sunny, with a high near 51.
Saturday Night
Partly cloudy, with a low around 33.
Sunday
A chance of rain and snow showers. Partly sunny, with a high near 55.
Sunday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 35.
Monday
A chance of rain and snow showers. Mostly cloudy, with a high near 52.
Monday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 34.
Tuesday
A chance of rain and snow showers. Mostly cloudy, with a high near 52.
Click Map For Forecast
Point Forecast:
Lewistown MT
 47.07°N 109.43°W (Elev. 3898 ft)
2:50 pm MDT Apr 25, 2017
3pm MDT Apr 25, 2017-6pm MDT May 2, 2017
 
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