Well above normal temperatures are forecast to shift from the northern Plains through the Northeast U.S. over the long holiday weekend. A few strong to severe thunderstorm will be possible as well along with a potential for excessive rainfall. A tropical or subtropical depression could form off the Southeast U.S. coast over the weekend while drifting northward to northeastward. Read More >
6-10 Day Outlook |
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8-14 Day Outlook |
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One Month Outlook |
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Two Week Lead Time Forecast |
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Zero Lead Time Forecast |
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Three Month Outlook |
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Missoula![]() |
Kalispell![]() |
Butte![]() |
Montana | Idaho |
Historical Map
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Northern Rockies | Northwest Montana |
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Southwest Montana | North Central Idaho |
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Lemhi Idaho |
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January | February |
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March | April |
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May | June |
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July | August |
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September | October |
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November | December |
Sun and Moon
Tides and Currents
Time
The U.S. Naval Observatory (USNO) computes astronomical data. Therefore, the NWS does not record, certify, or authenticate astronomical data. Computed times of sunrise, sunset, moonrise, moonset; and twilight, moon phases and other astronomical data are available from USNO's Astronomical Applications Department (http://www.usno.navy.mil). See http://www.usno.navy.mil/USNO/astronomical-applications/astronomical-information-center/litigation for information on using these data for legal purposes.