
Tropical Storm Edouard will impact the northwestern Gulf Coast through Wednesday with gusty winds, storm surge, and heavy rainfall. Flash and river flooding will be possible, especially in southeastern Texas. Hazardous heat will expand across the central and eastern U.S. by mid-week, and daily chances for severe thunderstorms are expected from the eastern Great Lakes to the Mid-Atlantic this week. 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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| 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.