I have no weather mods, so I'm a bit at a loss to explain this. If anyone spots anything in my load that is know to cause this, please let me know, it's not a good thing.
Spoiler
Active Mod Files:00 Oblivion.esm01 Francesco's Leveled Creatures-Items Mod.esm02 Francesco's Optional New Items Add-On.esm03 Cobl Main.esm [Version 1.72]04 Oscuro's_Oblivion_Overhaul.esm [Version 1.34]05 Mart's Monster Mod.esm [Version 3.7b3p3]06 TamrielTravellers.esm [Version 1.39c]07 FCOM_Convergence.esm [Version 0.9.9MB3]08 Armamentarium.esm [Version 1.35]09 Artifacts.esm [Version 1.1]0A Progress.esm [Version 2.2]** TNR ALL RACES FINAL.esp0B Unofficial Oblivion Patch.esp [Version 3.2.4]0C UOP Vampire Aging & Face Fix.esp [Version 1.0.0]0D DLCShiveringIsles.esp0E Unofficial Shivering Isles Patch.esp [Version 1.4.0]0F SI Public Music.esp10 Francesco's Optional Chance of Stronger Bosses.esp11 Francesco's Optional Chance of Stronger Enemies.esp12 Francesco's Optional Chance of More Enemies.esp13 Francesco's Optional Leveled Quests-SI only.esp14 Francesco's Optional Leveled Guards.esp++ FCOM_Francescos.esp [Version 0.9.9]++ FCOM_FrancescosItemsAddOn.esp [Version 0.9.9]15 FCOM_FrancescosNamedBosses.esp [Version 0.9.9]16 Fran Armor Add-on.esp17 Fran_Lv30Item_Maltz.esp18 FranOBSEConfig.esp [Version 0.5]19 Atmospheric Loading Screens - Random Quotes.esp++ oc_darker_nights.esp++ Improved Water.esp1A Better Bell Sounds.esp1B ln.esp++ Symphony of Violence.esp1C Echo_ChapelChant.esp1D AmbientTownSounds.esp1E MIS Low Wind.esp1F MIS New Sounds Optional Part.esp20 Atmospheric Oblivion.esp21 WindowLightingSystem.esp22 100%ChameleonMod.esp** Book Jackets Oblivion.esp23 Happyhannah's Wines.esp [Version 1.1]++ Item interchange - Extraction.esp [Version 0.78]24 P-Froggys Wall Climbing EV.esp25 Pitchable_Tent_anywhere.esp26 PrivateQuarters.esp [Version 2.33]27 Q - More and Moldy Ingredients v1.1.esp++ Regrowing Nirnroot - Dissappear Reappear.esp [Version 1.01]28 Wyverex's - Runes.esp29 Enhanced Economy.esp [Version 3.4.3]2A Map Marker Overhaul.esp [Version 3.3.1]2B Map Marker Overhaul - SI additions.esp [Version 3.0.2]2C HotkeyCasting.esp2D DLCHorseArmor.esp2E DLCHorseArmor - Unofficial Patch.esp [Version 1.0.5]2F DLCOrrery.esp30 DLCOrrery - Unofficial Patch.esp [Version 1.0.3]31 DLCVileLair.esp32 DLCVileLair - Unofficial Patch.esp [Version 1.0.5]33 DLCMehrunesRazor.esp34 DLCMehrunesRazor - Unofficial Patch.esp [Version 1.0.4]35 DLCSpellTomes.esp++ DLCSpellTomes - Unofficial Patch.esp [Version 1.0.1]** Book Jackets DLC.esp** GrimbotsSpellTomes.esp++ MaleBodyReplacerV4.esp36 GruntsSigilStones.esp37 Nicoroshi Creations DW Light.esp38 Nicos Kynareth Archery.esp [Version 1.0]** StockClothingArmor-forExnems.esp** Armamentium female.esp39 Mart's Monster Mod - Hemingweys NPC and Guard Capes.esp [Version 1.0]3A DLCThievesDen.esp3B DLCThievesDen - Unofficial Patch.esp [Version 1.0.5]3C DLCThievesDen - Unofficial Patch - SSSB.esp [Version 1.0.4]++ Francesco's No Reduced Backwards Running.esp3D KDCircletsOOOOptimized - NPC Equip.esp [Version 1.2]++ FCOM_KDCircletsOOOOptimizedNPCEquip.esp [Version 0.9.9]3E Slof's Oblivion Robe Trader.esp3F Cobl Glue.esp [Version 1.72]40 Cobl Si.esp [Version 1.63]41 OOO 1.32-Cobl.esp [Version 1.72]++ FCOM_Cobl.esp [Version 0.9.9]42 Bob's Armory Oblivion.esp43 FCOM_BobsArmory.esp [Version 0.9.9]44 Oblivion WarCry EV.esp45 FCOM_WarCry.esp [Version 0.9.9MB3]46 Oscuro's_Oblivion_Overhaul.esp [Version 1.34]++ OOO-Water_Weeds.esp [Version 1.33]47 OOO-No_Guild_Ownership.esp [Version 1.33]++ OOO-DLT_Remover.esp [Version 1.33]++ ArmamentariumLLVendors.esp [Version 1.35]48 ArmamentariumArtifacts.esp [Version 1.35]49 FCOM_Convergence.esp [Version 0.9.9Mb3]++ FCOM_EntropicOrderRebalance.esp [Version 0.9.9beta2]4A FCOM_RealSwords.esp [Version 0.9.9]4B FCOM_DurabilityAndDamage.esp [Version 0.9.9]4C Mart's Monster Mod - More Wilderness Life.esp [Version 3.7b3p3]++ FCOM_LessRats.esp [Version 0.9.9]4D Mart's Monster Mod - Extra Wounding.esp [Version 3.7b3p3]++ Mart's Monster Mod - Looting NPCs & Creatures.esp [Version 3.7b3p3]4E Mart's Monster Mod - No Carrion Rats.esp [Version 3.7b3p3]++ Mart's Monster Mod - No Slimes.esp [Version 3.7b3p3]++ Mart's Monster Mod - Less Bone Loot.esp [Version 3.7b3p3]4F Mart's Monster Mod - Zombies for Body Meshes.esp [Version 3.7b3p3]50 Mart's Monster Mod - Safer Quest Locations.esp [Version 3.7b3p3]51 Mart's Monster Mod - Dungeons of MMM.esp [Version 3.7b3p3]52 Mart's Monster Mod - Gems & Gem Dust.esp [Version 3.7b3p3]53 Mart's Monster Mod - Hunting & Crafting.esp [Version 3.7b3p3]54 Mart's Monster Mod - Farm Animals.esp [Version 3.7b3p3]55 Mart's Monster Mod - Diverse WaterLife.esp [Version 3.7b3p3f]56 MMM - Playable Undead Armors.esp++ MMM - Playable Undead Armors - Oblivion WarCry Compatability Patch.esp++ Mart's Monster Mod - Slof Horses Complete.esp [Version 3.7b3p3]++ Mart's Monster Mod - Diverse Runeskulls Loot G&GD.esp [Version 3.7b3p3]++ TamrielTravellerAdvscript.esp [Version 1.39c]57 TamrielTravellers4OOO.esp [Version 1.39c]58 TamrielTravellersItemsCobl.esp [Version 1.39c]59 ShiveringIsleTravellers.esp [Version 1.39c]++ ShiveringIsleTravellersFriendlyFactions4MMM.esp [Version 1.39c]++ FCOM_TamrielTravelers.esp [Version 0.9.9]++ FCOM_DiverseGuardUnity.esp [Version 0.9.9]++ FCOM_BobsGuardUnity.esp [Version 0.9.9]++ FCOM_HungersUnitySI.esp [Version 0.9.9]++ FCOM_Archery.esp++ FCOM_Archery_Armamentarium.esp++ FCOM_Archery_Artifacts.esp++ FCOM_Archery_RealSwords.esp++ FCOM_Archery_MMM_H&C.esp++ Mart's Monster Mod - Shivering Isles.esp [Version 3.7b3p3]++ ArmamentariumLL4OOO.esp [Version 2.01]++ ArmamentariumLLMagicOOO.esp [Version 1.35]** Fransfemale.esp** OOO-Armor.esp5A SSEE-OOO.esp5B OOO-No_Clutter_Ownership.esp++ MMM-Cobl.esp [Version 1.69]5C Artifacts.esp [Version 1.1]++ Artifacts - ArmaCompleteAddon.esp [Version 1.0]5D Bottomless Cavern.esp5E CryptofDecay.esp5F Forgotten Tomb.esp60 goldenarrowarcheryshopfixedprices.esp61 Shady Sam Plus.esp62 The Ayleid Steps.esp [Version 3.3]63 Unique Dungeons - Lichs Lair.esp64 DLCBattlehornCastle.esp65 DLCBattlehornCastle - Unofficial Patch.esp [Version 1.0.4]66 DLCFrostcrag.esp67 DLCFrostcrag - Unofficial Patch.esp [Version 1.0.4]++ DLCFrostcrag_MysticEmporiumPatch.esp68 Knights.esp69 Knights - Unofficial Patch.esp [Version 1.0.9]6A AFK_Weye.esp6B Blood&Mud.esp6C Blood&Mud - EE patch.esp [Version 1.0]6D Mart's Monster Mod - City Defences.esp [Version 3.7b3p3]6E FCOM_Blood&Mud.esp [Version 0.9.9]++ FCOM_Knights.esp [Version 0.9.9Mb3]++ FCOM_SlofsRobeTrader.esp [Version 0.9.9]++ FCOM_UnofficialFranArmorAddon.esp [Version 0.9.9]6F Harvest [Flora].esp [Version 3.0.0]++ Harvest [Flora] - Shivering Isles.esp [Version 3.0.0]++ Harvest [Flora] - DLCVileLair.esp [Version 3.0.0]70 Harvest [Flora] - DLCFrostcrag.esp [Version 3.0.0]71 Pitcher Plant and Lily Ingredients.esp72 DropLitTorchOBSE.esp [Version 2.1]73 DS Portable Sorters.esp [Version 1.1]74 DS Storage Sacks.esp [Version 1.21]++ more books teach.esp75 P1DkeyChain.esp [Version 5.00]76 Respawnable NPC Mod.esp77 Respawning Varla & Welkynd Stones.esp78 RTSWelkyndClstrTreasure.esp [Version 2.0]++ Enhanced Vegetation [100%].esp79 Toggleable Quantity Prompt.esp [Version 3.1.1]7A ATakesAll.esp7B Quest Award Leveller.esp++ Quest Award Leveller - Vile Lair.esp++ Quest Award Leveller - Mehrunes Razor.esp++ Quest Award Leveller - Knights of the Nine.esp7C Encumbrance100.esp7D EnchantmentMastery.esp7E RefScope.esp [Version 1.3.0]7F SupremeMagicka.esp [Version 0.90]80 SM_ShiveringIsles.esp [Version 0.86]++ SM_DLCSpellTome.esp [Version 0.80]++ SM_OOO.esp [Version 0.89]++ SM_MMM.esp [Version 0.89]++ SM_COBL.esp [Version 0.86]++ LightSpellWhiteDimmer.esp81 ArcaneArchery.esp82 RshAlchemy.esp83 RshAlchemyRecipes.esp84 Lightweight Potions.esp [Version 1.1]85 EnchantmentRestore.esp++ EnchantmentRestore_Wells.esp86 attack and hide medium v2.0.esp87 SM Bounty.esp [Version 1.21]++ CoblDeathFix.esp [Version 1.20]88 Enhanced Grabbing.esp [Version 0.4]89 ProgressMBSP.esp [Version 2.0]8A ProgressRBSP.esp [Version 1.0]8B Legendary Abilities-Reflect MOJ.esp8C Grandmaster of Alchemy.esp8D S.P.A.M. 100+.esp8E S.P.A.M. option - Faster Minor.esp8F S.P.A.M. option - Restore Fav.esp90 Let There Be Darkness - Cyrodiil + SI.esp91 Let There Be Darkness - Knights.esp92 Let There Be Darkness - Mehrunes Razor.esp93 Let There Be Darkness - Thieves Den.esp94 Let There Be Darkness - OOO.esp++ Item interchange - Placement for FCOM.esp [Version 0.78]++ Item interchange - Placement for Frostcrag.esp [Version 0.78]++ Item interchange - Option, Ingredients in Bulk.esp [Version 0.78]95 bgBalancingEVCore.esp [Version 10.52EV-D]96 bgMagicEV.esp [Version 1.7EV]++ bgMagicSpellTomes_for_WryeBash.esp [Version 1.68EV]++ bgMagicEVStartspells.esp [Version 1.68EV]++ bgMagicEVAddEnVar.esp [Version 1.68EV]++ bgBalancingEVOptionalFangs.esp [Version 10.0EV-D]++ bgBalancingEVOptionalMoreEyes.esp [Version 10]** bgBalancingEVOptionalNPCDiversity, TNR Merge.esp [Version 10.0EV-D]97 bgBalancingOptionalNoRaceDisp.esp [Version 9.0UV-U]++ bgBalancingEVOptionalFCOMAdditions.esp [Version 10.]++ bgBalancingEVOptionalSeamReducerHighElfFix.esp [Version 10.0EV-D]98 TheOubliette.esp++ [GFX]_Initial_Glow-all.esp99 bgMagicEVShader.esp [Version 1.7EV]++ Detect Life Shader [New].esp9A DS Flaming Arrows.esp [Version 1.2]9B qazFingerSnap.esp9C Shining Creatures.esp++ Shining Creatures_DLCFrostcrag.esp9D Hemingweys Capes.esp [Version 2.00]9E MiniMap.esp9F Vacuity.esp [Version 0.2]A0 Cobl Silent Equip Misc.esp [Version 01]A1 Never die.espA2 Bashed Patch, 0.esp++ Duke Patricks - BASIC Script Effect Silencer.esp