textproduct: Billings

This forecast discussion was created in the public domain by the National Weather Service. It can be found in its original form here.

KEY MESSAGES

- Very warm temperatures Monday & Tuesday will enhance mountain snowmelt and increase river flows. No flooding is expected at this time. Some daily max temperature records may be broken.

- Isolated afternoon & evening thunderstorms over the west on Monday will be capable of producing erratic and gusty winds.

- Daily chance of showers and thunderstorms Tuesday through the end of the week. Strong to severe thunderstorms and heavy rain are possible, but details remain uncertain. Temperatures will remain above normal.

AVIATION

VFR conditions will prevail for the next 24 hours. Can't rule out an isolated high based shower/thunderstorm over the southwest mountains drifting into the western foothills through 09z per the latest HRRR guidance, with wind gusts to 25kts the main impact to aviation interests. Additional high based isolated weak showers/thunderstorms are expected Monday afternoon/evening from Billings west into the mountains. Erratic wind gusts to 40kts will be the main threat with near convection. Though precipitation may make it to the ground with this activity, it shouldn't diminish flight categories below VFR. Convection is forecast to quickly diminish around 02-03z.

Convective coverage was enough to add a prob30 group to KLVM for the late afternoon/early evening hours. HRRR is showing a cell moving through KBIL around 00z with gusts in the 35-40kt range, but coverage/confidence too low for a prob30 just yet, but something to be aware of. Chambers

PRELIMINARY POINT TEMP/POPS

Tdy Tue Wed Thu Fri Sat Sun ------------------------------------------------------- BIL 090 057/093 060/088 060/091 061/090 058/080 053/081 1/U 22/T 42/T 22/T 11/U 34/T 32/T LVM 086 049/084 050/080 050/085 052/080 047/070 044/073 2/T 26/T 57/T 32/T 24/T 46/T 23/T HDN 090 053/094 059/089 059/091 059/091 056/081 051/081 0/U 21/B 32/T 22/T 12/T 34/T 32/T MLS 092 061/096 067/092 064/090 062/089 059/082 053/081 0/U 00/N 21/N 11/N 11/U 34/T 32/W 4BQ 091 060/094 064/089 061/087 060/088 058/081 052/080 0/U 00/N 22/T 12/T 12/T 34/T 32/W BHK 092 058/094 061/089 059/087 057/084 055/082 050/079 0/U 00/N 20/N 01/N 11/N 35/T 43/T SHR 087 048/091 052/085 050/086 050/086 048/078 044/078 1/U 12/T 33/T 22/T 12/T 34/T 24/T

BYZ WATCHES/WARNINGS/ADVISORIES

MT...None. WY...None.

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