Please see below from Estes regarding weather related service interruptions 

Limited Limited
113 Mesick, MI – MES/113
132 Scottsbuff (agent), NE – SCO/132
133 Mankato, MN – MNK/133
136 Omaha, IA – OMA/136
140 Fargo, ND – FGO/140
142 St Cloud, MN – SCM/142
173 Bismarck, ND – BS2/173
175 Grand Island, NE – GDI/175
201 Stapleton (agent), CO – STP/201
215 Cheyenne, WY – CWY/215
216 Casper, WY – CPW/216
224 Denver, CO – DEN/224
225 Salt Lake City, UT – SLC/225
226 Chico, CA – CHO/226
228 Reno, NV – REN/228
237 Twin Falls, ID – TFL/237
247 Pocatello, ID – POC/247
251 Butte, MT – BTT/251
254 Missoula, MT – MLA/254
255 Billings, MT – BLL/255
256 Colorado Springs, CO – CSP/256
257 Grand Junction, CO – GRJ/257
263 Missoula (agent), MT – MIS/263
265 Butte (agent), MT – BUT/265
269 Casper (agent), WY – CAS/269
284 Great Falls, MT – GFM/284
508 Eagan, MN – EGN/508
509 Iron Mountain, MI – IMM/509