


Area Forecast Discussion
Issued by NWS Grand Junction, CO
Issued by NWS Grand Junction, CO
Versions:
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
659 FXUS65 KGJT 251720 AFDGJT Area Forecast Discussion National Weather Service Grand Junction CO 1120 AM MDT Wed Jun 25 2025 .KEY MESSAGES... - Another round of scattered showers and storms are expected today. The main threats include gusty outflow winds and lighting. - Warm and dry conditions return for the weekend. && .SHORT TERM /THROUGH TONIGHT/... Issued at 345 AM MDT Wed Jun 25 2025 A weakening shortwave trough will approach from the west today providing a boost of synoptic lift to the region, especially over the northern half of the forecast area. PWATs remain slightly elevated at ~125% of normal, providing just enough moisture to produce isolated to scattered showers and storms today. Gusty outflow winds up to 50 mph and lightning will be the primary storm threats. While most of the development will remain anchored to the higher terrain, the push of synoptic lift could provide enough support for a few showers and storms to move off the terrain into adjacent valleys. Wetting rain chances are low (< 25%), but any precipitation is welcomed after last week`s dry spell. && .LONG TERM /THURSDAY THROUGH TUESDAY/... Issued at 351 PM MDT Tue Jun 24 2025 A drier airmass moves back in on Thursday. Moisture advection does not look to return to our region until early next week. As such, precipitation chances remain very low across the area through the weekend. With moisture progged to move in early next week, afternoon convective chances will pick back up on Monday and beyond. Despite the drier airmass causing afternoon relative humidity values dropping to single digits, concerns about critical fire weather conditons are limited through the extended forecast due to weaker winds. Above-normal temperatures return to the forecast this weekend with afternoon highs building to 5 to 10 degrees above normal by Friday. The desert valleys in eastern Utah will have the best chance of hitting 100 degrees. && .AVIATION /18Z TAFS THROUGH 18Z THURSDAY/... Issued at 1120 AM MDT Wed Jun 25 2025 VCTS/TSRA has developed across the mountains, with some temporary flight category restrictions at mountain terminals through the afternoon hours. Some cig and vis drops with gusty winds can be expected if TSRA moves over terminal. Coverage of SHRA/TSRA will subside in the evening, with prevailing VFR conditions overnight and through the remainder of the TAF period. && .GJT WATCHES/WARNINGS/ADVISORIES... CO...None. UT...None. && $$ SHORT TERM...KAA LONG TERM...GF AVIATION...TGJT