textproduct: Billings

KEY MESSAGES

- Extreme Heat Warnings continue for portions of southern MT and northern WY through Tuesday...and far southeast MT into Wednesday.

- Monsoonal moisture increases for the rest of the week bringing a chance of thunderstorms to the region, including a chance of very heavy local rainfall.

AVIATION

Issued 06Z. Winds will increase out of the east by the afternoon, with occasional gusts of 15 to 25 kts. Scattered showers and thunderstorms form over the Absaroka/Beartooth mountains around 20Z and spread over the plains late afternoon and evening. Expect mountain obscurations. The main threats with storms will be erratic wind gusts up to 50 kts, large hail, and heavy rain, which may cause localized reductions to MVFR/IFR. Archer

PRELIMINARY POINT TEMP/POPS

Tdy Wed Thu Fri Sat Sun Mon ------------------------------------------------------- BIL 100 068/088 065/091 065/096 066/096 066/094 065/091 1/U 43/T 51/B 51/B 41/U 32/T 31/B LVM 096 060/087 057/088 057/094 058/093 058/092 057/091 3/T 35/T 73/T 34/T 43/T 42/T 32/T HDN 103 067/092 065/093 065/098 066/098 065/095 063/092 0/G 20/U 42/T 41/B 41/U 31/B 31/B MLS 104 071/097 068/093 067/099 069/099 068/095 065/093 0/G 10/U 10/B 11/U 21/B 31/B 31/B 4BQ 104 072/098 068/093 067/098 069/098 068/094 065/091 0/G 00/U 00/U 20/U 21/B 31/B 31/B BHK 103 069/099 066/094 063/096 065/097 064/093 061/090 0/G 00/U 00/U 11/U 12/T 31/B 21/B SHR 103 063/093 062/090 060/096 062/095 062/092 060/090 0/G 01/U 36/T 44/T 33/T 34/T 33/T

BYZ WATCHES/WARNINGS/ADVISORIES

MT...Extreme Heat Warning in effect until midnight MDT tonight FOR ZONES 29>31-34-42-56-57-138-139-169-170-173-235. Flood Watch in effect from this afternoon through this evening FOR ZONES 29-34-42-63-68-141-172-173-228-235. Extreme Heat Warning in effect until midnight MDT Wednesday night FOR ZONES 32-33-36-37-58. WY...Extreme Heat Warning in effect until midnight MDT Wednesday night FOR ZONE 199.